MCP2030-I/ST Microchip Technology, MCP2030-I/ST Datasheet
MCP2030-I/ST
Specifications of MCP2030-I/ST
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MCP2030-I/ST Summary of contents
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... Parking lot entry transponder - Hands-free apartment door access - Asset control and management © 2005 Microchip Technology Inc. Description: The MCP2030 is a stand-alone Analog Front-End (AFE) device for Low-Frequency (LF) sensing and bidi- , typical) PP rectional communication applications. The device has eight internal Configuration registers which are readable and programmable, except the read-only STATUS register external device ...
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... MCP2030 NOTES: DS21981A-page 2 © 2005 Microchip Technology Inc. ...
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... I IL — — — — — — 0 0.5 — — 200 350 k PU MCP2030 Conditions Input = Continuous Wave (CW); Amplitude = 300 All channels enabled ALERT = ALERT = 3.6V with respect ground. Internal tuning capacitors are switched off, tested in Sleep mode. SCLK, SDI, CS ...
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... MCP2030 AC Characteristics Electrical Specifications: Standard Operating Conditions (unless otherwise stated) Supply Voltage 2.0V V 3.6V DD Operating temperature -40°C T +85°C A LCCOM connected Signal Input Sinusoidal 300 mV Carrier Frequency 125 kHz LCCOM connected Parameters Sym. Input Sensitivity V SENSE Coil de-Q’ing Voltage - V DE_Q ...
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... MCP2030 Conditions 3.0V DD MOD depth setting = 33% Input conditions: Amplitude = 300 mV PP Modulation depth = 100 3.0V. Time is measured from 10 90% of amplitude ...
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... MCP2030 AC Characteristics (Continued) Electrical Specifications: Standard Operating Conditions (unless otherwise stated) Supply Voltage 2.0V V 3.6V DD Operating temperature -40°C T +85°C A LCCOM connected Signal Input Sinusoidal 300 mV Carrier Frequency 125 kHz LCCOM connected Parameters Sym. RSSI current output I RSSI RSSI current linearity ...
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... Typical Standby Current. © 2005 Microchip Technology Inc. Active Current (1 Channel Enabled + + - 3.6 V Active Current (2 Channels Enabled + 3.6 V Active Current (3 Channels Enabled + 3.6 V FIGURE 2-2: MCP2030 +85 C + (V) DD +85 C + (V) DD +85 C + (V) DD Typical Active Current. DS21981A-page 7 ...
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... MCP2030 Osc. Freq. @ VDD = 3. Osc. Freq. @ VDD = 2. -50 - Temperature (°C) FIGURE 2-3: Oscillator Frequency vs. Temperature 3.6V and 2.0V. DD 50. 2.0V DD 45.0% -40C 40.0% 25C 35.0% 85C 30.0% 25.0% 20.0% 15.0% 10.0% 5.0% 0.0% Oscillator Frequency (kHz.) FIGURE 2-4: Oscillator Frequency Histograms vs. Temperature ...
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... FIGURE 2-11: Value vs. Configuration Register Bit Setting (V = 3V,Temperature = -40° FIGURE 2-12: Value vs. Configuration Register Bit Setting (V = 3V,Temperature = +85°C. DD MCP2030 Ch. X Ch Bit Setting (steps) Typical Tuned Capacitance Ch. X Ch Bit Setting (Steps) Typical Tuned Capacitance DS21981A-page 9 ...
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... MCP2030 Input Voltage (V) Device ( Input Voltage (V) Device ( Input Voltage (V) Device (c) Note: Equal amplitude is applied to each channel. FIGURE 2-13: Examples of RSSI Output Current Variations Between Channel to Channel and Device to Device at Room Temperature. DS21981A-page 10 100 Ch-X 50 Ch 85C 8 FIGURE 2-14: Changes over Temperature. ...
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... Performance Plots FIGURE 2-16: Input Sensitivity Example. © 2005 Microchip Technology Inc. MCP2030 (a) Sensitivity = 1. Demodulated output Input signal (b) Sensitivity = Demodulated output Input signal DS21981A-page 11 ...
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... MCP2030 Note: Ch2 is the input and Ch1 is the output (demodulated data appears after AGC Initialization time (T Output Enable Filter is disabled. FIGURE 2-17: Typical AGC Initialization Time at Room Temperature (V DS21981A-page 12 )). AGC = 3V). DD © 2005 Microchip Technology Inc. ...
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... Ch2 is the ALERT pin output. It shows that the ALERT output pin maintains logic high if the input signal meets the programmed filter timing requirement. FIGURE 2-18: ALERT Output Example: With No Parity Error and Alarm Timer Time-out. © 2005 Microchip Technology Inc. MCP2030 DS21981A-page 13 ...
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... MCP2030 Note: The 32 ms Alarm Timer is enabled only if the Output Enable Filter is enabled. Ch3 is the input signal with incorrect Output Enable Filter timing. Ch1 is the demodulated LFDATA output. No output since the input filter is not matched. Ch2 is the ALERT output. The output shows that the logic level changes after 32 ms from the AGC initialization time (T signal does not meet the programmed filter timing requirement ...
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... The cases shown above apply when the Output Filter is disabled. FIGURE 2-20: Examples of Soft Inactivity Timer Timed out: This output is available only if the Output Enable Filter is disabled. © 2005 Microchip Technology Inc. MCP2030 (a) Output (Ch 1): Device repeats Soft Reset after 16 ms inactivity ...
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... MCP2030 Clamp On Command Coil Voltage Clock Pulses Clamp Off Command FIGURE 2-21: Examples of Clamp-On and Clamp-Off Commands and Changes in Coil Voltage. DS21981A-page 16 Coil Voltage Clock Pulses LCX SCLK SDI LCX SCLK SDI © 2005 Microchip Technology Inc. ...
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... The device will have demodulated output if the Minimum Modulation Depth option is set to 8%, 14%, or 33%. FIGURE 2-23: Example of Minimum Modulation Depth Setting: Modulation Depth of Input Signal = 56%, Minimum Modulation Depth (MODMIN) Setting = 60%. © 2005 Microchip Technology Inc. MCP2030 Demodulated output Input signal with 77% modulation depth Demodulated output Input signal with 56% ...
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... MCP2030 FIGURE 2-24: Example of Minimum Modulation Depth Setting: Modulation Depth of Input Signal = 42%, Minimum Modulation Depth (MODMIN) Setting = 33%. FIGURE 2-25: Example of Minimum Modulation Depth Setting: Modulation Depth of Input Signal = 14%, Minimum Modulation Depth (MODMIN) Setting = 14%. DS21981A-page 18 Demodulated output Input signal with 42% modulation depth ...
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... FIGURE 2-26: Examples of Output Enable Filters 1 through 3 (Wake-up Filters) and Demodulated Outputs. © 2005 Microchip Technology Inc. MCP2030 Filter 1 Output Enable Configuration Filter Timing of Bit Settings Input Signal OEH OEL OEH OEL OET 01 Filter 2 Output Enable Configuration Filter Timing of Bit Settings ...
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... MCP2030 FIGURE 2-27: Examples of Output Enable Filters 4 through 6 (Wake-up Filters) and Demodulated Outputs. DS21981A-page 20 Filter 4 Output Enable Configuration Bit Filter Timing of Settings Input Signal OEH OEL OEH OEL OET Filter 5 Output Enable Configuration Bit Filter Timing of Settings Input Signal OEH OEL ...
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... FIGURE 2-28: Examples of Output Enable Filters 7 through 9 (Wake-up Filters) and Demodulated Outputs. © 2005 Microchip Technology Inc. MCP2030 Filter 7 Output Enable Configuration Bit Filter Timing of Settings Input Signal OEH OEL OEH OEL OET Filter 8 Output Enable Configuration Filter Timing of Bit Settings ...
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... MCP2030 Note: Demodulated output is available immediately after AGC initialization. FIGURE 2-29: Input Signal and Demodulated Output When the Output Enable Filter is Disabled. Note: Demodulated output is available only if the incoming signal meets the enable filter timing criteria that is defined in the Configuration Register 0 (Register 5-1). If the criteria is met, the output is available after the low timing (T Enable Filter ...
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... FIGURE 2-31: No Demodulator Output When Output Enable Filter is Enabled But Input Does Not Meet Filter Timing Requirements. © 2005 Microchip Technology Inc. MCP2030 No LFDATA Output Input Signal DS21981A-page 23 ...
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... MCP2030 (a) Carrier Clock Output with Carrier/1 Option (b) Carrier Clock Output with Carrier/4 Option FIGURE 2-32: Carrier Clock Output Examples. DS21981A-page 24 Carrier Clock Output Carrier Input Carrier Clock Output Carrier Input © 2005 Microchip Technology Inc. ...
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... The V pin is the ground pin and the current return SS path for both analog and digital circuitry of the MCP2030 analog ground plane is available recommended that this device be tied to the analog ground plane of the PCB. 3.2 Chip Select (CS) The CS pin needs to stay high when the device is receiving input signals ...
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... MCP2030 3.5 Demodulated Data Output (LFDATA) Carrier Clock Output (CCLK) SPI Data I/O (SDIO) When the CS pin is high, this pin is an output pin for demodulated data or carrier clock depending on output type selection. When carrier clock output (CCLK) is selected, the LFDATA output is a square pulse of the ...
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... APPLICATION INFORMATION The MCP2030 is a stand-alone 3-channel analog front-end device for low frequency (LF) sensing and bidirectional transponder applications. By connecting three orthogonally placed LC resonant antennas to the LC input pins, it can detect signals from all directions (x, y and z). The device draws more current when all channels are enabled as compared to a single channel ...
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... TX) FIGURE 4-2: Example of External Circuits for Bidirectional Communication Transponder Applications. DS21981A-page 28 The output of the MCP2030 is fed into the external MCU. The external MCU can send data by clamping on and clamping off the MCP2030 coil voltages using an SPI command, or via a UHF transmitter. ...
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... MCP2030 Pressure Sensor Note 1: The LF initiator sends LF commands to request the tire pressure data. 2: The MCP2030 picks up the LF commands and the MCU transmits the tire pressure data via an external UHF transmitter. FIGURE 4-4: Example of Tire Pressure Monitoring Sensor Applications. © 2005 Microchip Technology Inc. ...
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... MCP2030 NOTES: DS21981A-page 30 © 2005 Microchip Technology Inc. ...
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... FUNCTIONAL DESCRIPTION AND THEORY OF DEVICE OPERATION The MCP2030 contains three analog input channels for signal detection and LF talk-back. This section provides the function description of the device. Each analog input channel has internal tuning capacitors, sensitivity control circuits, an input signal strength limiter and an LF talk-back modulation transistor ...
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... MCP2030 5.7 Fixed Gain Amplifiers 1 and 2 FGA1 and FGA2 provides a maximum two-stage gain of 40 dB. Note: The user cannot control the gain of these two amplifiers. 5.8 Auto-Channel Selection The auto-channel selection feature is enabled if the Auto-Channel Select bit AUTOCHSEL<8> in Configu- ration Register 5 (Register 5-6) is set, and disabled if the bit is cleared. When this feature is active (i.e., AUTOCHSE < ...
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... Register 7 bits <4:2> (Register 5-8) indi- cate which input channels have waken up the device first. Valid input signal on multiple input pins can cause more than one channel's indicator bit to be set. MCP2030 , but does not ALARM and minimum T requirements. OEL ...
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... MCP2030 LCX Tune X RF Mod Lim LCCOM LCY Tune Y RF Mod Lim LCCOM LCZ Tune Z RF Mod Lim LCCOM AGC Preserve To Modulation Transistors FIGURE 5-1: Functional Block Diagram. DS21981A-page 34 AGC Detector Sensitivity Control X A AGC Detector Sensitivity Control Y A AGC Detector ...
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... FIGURE 5-2: Input Signal Path. © 2005 Microchip Technology Inc. MCP2030 DS21981A-page 35 ...
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... MCP2030 5.15 Configurable Output Enable Filter The purpose of this filter is to enable the LFDATA out- put and wake the external microcontroller only after receiving a specific sequence of pulses on the LC input pins. Therefore, it prevents waking up the external microcontroller due to noise or unwanted input signals. ...
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... Output Enable Filter Timing Example (Detailed). © 2005 Microchip Technology Inc. Demodulated LFDATA Output LF Coil Input T T PAGC GAP Gap (need “high”) Pulse t T OEH t T OET Filter starts AGC + T ) AGC PAGC MCP2030 Start bit for data t T OEL Filter is passed and LFDATA is enabled DS21981A-page 37 ...
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... MCP2030 TABLE 5-1: OUTPUT ENABLE FILTER TIMING OEH OEL T T OEH OEL <1:0> <1:0> (ms) (ms Filter Disabled 00 XX Note 1: The timing values of T OEH minimum and T is maximum at room OET temperature and V = 3.0V, 32 kHz DD oscillator measured from the rising edge of the OEH demodulator output to the first falling edge ...
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... Therefore, it does not need to issue another AGC Preserve On command. An AGC Preserve Off command is needed to disable the AGC preserve feature (see Section 5.31.2.5 “AGC Preserve On Command” and Section 5.31.2.6 “AGC Preserve Off Command” for AGC Preserve commands). ), the AGC MCP2030 Input Sensitivity (Typical) 3 ...
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... MCP2030 5.20 Soft Reset The Soft Reset is issued in the following events: a) After Power-on Reset (POR), b) After Inactivity timer time-out “Abort” occurs, d) After receiving SPI Soft Reset command. The “Abort” occurs if there is no positive signal detected at the end of the AGC initialization period (T ) ...
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... Microchip Technology Inc. Modulation Depth (%) = Coil Input Strength PP Modulation Depth (%) = t Input signal with modulation depth = 17.64% Demodulated LFDATA Output when MODMIN Setting = 14% (LFDATA output = toggled) t Demodulated LFDATA Output if MODMIN Setting = 33% (LFDATA output = not toggled) t MCP2030 100 100% = 17.64 DS21981A-page 41 ...
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... MCP2030 5.22 Low-Current Sleep Mode The device can stay at an ultra low-current mode (Sleep mode) when it receives a Sleep command via the Serial Peripheral Interface (SPI). All circuits includ- ing the RF Limiter, except the minimum circuitry required to retain register memory and SPI capability, will be powered down to minimize the current draw ...
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... Related Configuration register bits: • Configuration Register 1 (Register 5-2), DATOUT <8:7>: bit 8 bit 7 0: Demodulator Output 0 1: Carrier Clock Output 0 0: RSSI Output 1 1: RSSI Output 0 • Configuration Register 0 (Register 5-1): all bits MCP2030 ) and a fall time ( and DR DS21981A-page 43 ...
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... MCP2030 5.30.2 CARRIER CLOCK OUTPUT When the carrier clock output is selected, the LFDATA output is a square pulse of the input carrier clock and available as soon as the AGC stabilization time (T is completed. There are two Configuration register options for the carrier clock output: (a) clock divide-by one or (b) clock divide-by four, depending on bit DATOUT< ...
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... RSSI output is selected. The MOSFET is not controllable by users when demodulated or carrier clock output option is selected. • Configuration Register 0 (Register 5-1): all bits are affected. © 2005 Microchip Technology Inc. MCP2030 RSSI Output Current Generator Current Output V DD Off ...
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... MCP2030 5.30.3.1 ANALOG-TO-DIGITAL DATA CONVERSION OF RSSI SIGNAL The RSSI output is an analog current. It needs an external Analog-to-Digital (ADC) data conversion device for digitized output. The ADC data conversion can be accomplished by using a stand-alone external ADC device, an external MCU that has internal ADC features external MCU that has no ADC features but instead uses firmware ...
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... Change LFDATA/CCLK/SDIO connected pin to input. 6. Raise CS to complete the SPI Write. 7. Change SCLK/ALERT back to input. FIGURE 5-10: SPI Write Sequence. © 2005 Microchip Technology Inc. 16 Clocks for Write Command, Address and Data 1/F SCLK HD MCP2030 T CSH SCCS CS1 CS0 7 LSb ALERT (output) LFDATA (output) 5 ...
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... MCP2030 Clocks for Read Command, T CSSC Address and Dummy Data T HI SCLK/ALERT MSb SCLK ALERT 1/F (input) (output LFDATA/RSSI/ CCLK/SDIO 3 SDI LFDATA (input) (output) MCU SPI Read Details: 1. Drive the open collector ALERT output low. • To ensure no false clocks occur when CS drops. ...
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... LCX antenna tuning and LFDATA output type P LCY antenna tuning P LCZ antenna tuning P LCX and LCY sensitivity reduction P LCZ sensitivity reduction and modulation depth P Column parity byte for Config Byte 0 -> Config Byte 5 X Register is readable, but not writable MCP2030 DS21981A-page 49 ...
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... MCP2030 SCLK MSb SDIO Command FIGURE 5-12: Detailed SPI Timing (AFE). 5.31.2.1 Clamp On Command This command results in activating (turning on) the modulation transistors of all enabled channels; channels enabled in Configuration Register 0 (Register 5-1). 5.31.2.2 Clamp Off Command This command results in deactivating (turning off) the modulation transistors of all channels ...
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... Column Parity Bits AGCACT Wake-up Channel Indicators R/W-0 R/W-0 R/W-0 OEL1 OEL0 ALRTIND T ) bit OEH ) bit OEL U = Unimplemented bit, read as ‘0’ ‘0’ = Bit is cleared MCP2030 Bit 3 Bit 2 Bit 1 Bit 0 LCZEN LCYEN LCXEN R0PAR R1PAR R2PAR R3PAR R4PAR R5PAR R6PAR ALARM ...
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... MCP2030 REGISTER 5-2: CONFIGURATION REGISTER 1 (ADDRESS: 0001) R/W-0 R/W-0 DATOUT DATOUT 1 0 bit 8 bit 8-7 DATOUT<1:0>: LFDATA Output type bit 00 = Demodulated output 01 = Carrier clock output 10 = RSSI output 11 = RSSI output bit 6-1 LCXTUN<5:0>: LCX Tuning Capacitance bit 000000 = +0 pF (Default) 111111 = +63 pF bit 0 R1PAR: Register 1 Parity Bit – ...
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... R/W-0 R/W-0 LCZTUN5 LCZTUN4 LCZTUN3 LCZTUN2 LCZTUN1 LCZTUN0 : U = Unimplemented bit, read as ‘0’ ‘0’ = Bit is cleared R/W-0 R/W-0 R/W Unimplemented bit, read as ‘0’ ‘0’ = Bit is cleared MCP2030 R/W-0 R/W-0 R/W-0 R/W-0 R3PAR bit Bit is unknown R/W-0 R/W-0 R/W-0 ...
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... MCP2030 REGISTER 5-6: CONFIGURATION REGISTER 5 (ADDRESS: 0101) R/W-0 R/W-0 AUTOCHSEL AGCSIG bit 8 bit 8 AUTOCHSEL: Auto-Channel Select bit 1 = Enabled – Device selects channel(s) that has demodulator output “high” at the end of T blocks the channel(s Disabled – Device follows channel enable/disable bits defined in Register 0 ...
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... Soft Reset) AGC AGC (1) bit (cleared via Soft Reset) AGC AGC (1) bit (cleared via Soft Reset) AGC AGC U = Unimplemented bit, read as ‘0’ ‘0’ = Bit is cleared MCP2030 R-0 R-0 R-0 WAKEX ALARM PEI bit Bit is unknown DS21981A-page 55 ...
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... MCP2030 TABLE 5-7: STATUS REGISTER BIT CONDITION (AFTER POWER-ON RESET AND VARIOUS SPI COMMANDS) Bit 8 Condition CHZACT CHYACT CHXACT AGCACT WAKEZ WAKEY WAKEX ALARM POR 0 Read Command u (STATUS Register only) Sleep Command u (1) Soft Reset Executed 0 Legend unchanged Note 1: See Section 5.20 “Soft Reset” and Section 5.31.2.4 “Soft Reset Command” for the condition of Soft Reset execution ...
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... In the event the full Microchip part number cannot be marked on one line, it will be carried over to the next line, thus limiting the number of available characters for customer-specific information. © 2005 Microchip Technology Inc. MCP2030 Example e 3 MCP2030-I/P 0510017 Example MCP2030ISL e 3 0510017 Example 2030I 0510 017 ...
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... MCP2030 14-Lead Plastic Dual In-line (P) – 300 mil Body (PDIP Dimension Limits Number of Pins Pitch Top to Seating Plane Molded Package Thickness Base to Seating Plane Shoulder to Shoulder Width Molded Package Width Overall Length Tip to Seating Plane Lead Thickness Upper Lead Width Lower Lead Width Overall Row Spacing § ...
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... L .016 .033 .050 .008 .009 .010 B .014 .017 .020 MCP2030 A2 MILLIMETERS MIN NOM MAX 14 1.27 1.35 1.55 1.75 1.32 1.42 1.55 0.10 0.18 0.25 5.79 5.99 6.20 3.81 3.90 3.99 8.56 8.69 8.81 0.25 0.38 ...
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... MCP2030 14-Lead Plastic Thin Shrink Small Outline (ST) – 4.4 mm Body (TSSOP Dimension Limits Number of Pins Pitch Overall Height Molded Package Thickness Standoff § Overall Width Molded Package Width Molded Package Length Foot Length Foot Angle Lead Thickness Lead Width Mold Draft Angle Top ...
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... APPENDIX A: REVISION HISTORY Revision A (November 2005) • Original Release of this Document. © 2005 Microchip Technology Inc. MCP2030 DS21981A-page 61 ...
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... MCP2030 NOTES: DS21981A-page 62 © 2005 Microchip Technology Inc. ...
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... Package PDIP (300 mil, 14-pin SOIC (Gull wing, 150 mil body, 14-pin TSSOP (4.4 mm, 14-pin) © 2005 Microchip Technology Inc. XXX Examples: Pattern a) MCP2030-I/P: b) MCP2030-I/SL: Industrial Temp., c) MCP2030-I/ST: Industrial Temp., range DD MCP2030 Industrial Temp., 14LD PDIP. 14LD SOIC. 14LD TSSOP. DS21981A-page 63 ...
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... MCP2030 NOTES: DS21981A-page 64 © 2005 Microchip Technology Inc. ...
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... PowerMate, PowerTool, rfLAB, rfPICDEM, Select Mode, Smart Serial, SmartTel, Total Endurance and WiperLock are trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. SQTP is a service mark of Microchip Technology Incorporated in the U.S.A. All other trademarks mentioned herein are property of their respective companies. ...
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... Fax: 44-118-921-5820 Tel: 632-634-9065 Fax: 632-634-9069 Singapore Tel: 65-6334-8870 Fax: 65-6334-8850 Taiwan - Hsin Chu Tel: 886-3-572-9526 Fax: 886-3-572-6459 Taiwan - Kaohsiung Tel: 886-7-536-4818 Fax: 886-7-536-4803 Taiwan - Taipei Tel: 886-2-2500-6610 Fax: 886-2-2508-0102 Thailand - Bangkok Tel: 66-2-694-1351 Fax: 66-2-694-1350 © 2005 Microchip Technology Inc. 08/24/05 ...