MCP98242T-CE/ST Microchip Technology, MCP98242T-CE/ST Datasheet
MCP98242T-CE/ST
Specifications of MCP98242T-CE/ST
Related parts for MCP98242T-CE/ST
MCP98242T-CE/ST Summary of contents
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... Sensor • 256 Byte EEPROM for SPD 3.3V _ SDA SCL DD SPD © 2008 Microchip Technology Inc. MCP98242 Description Microchip Technology temperature sensor converts temperature from -40°C and +125° digital word. This sensor meets JEDEC Specification JC42.4 Mobile Platform Memory Module Thermal Sensor Component. It provides an accuracy of ± ...
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... V 8 — Applied at A0 pin, Note 1 — 0.7 — s Time to 63% (89°C) 25°C (Air) to 125°C (oil bath) — 1.4 — s Conditions ) WC falling) DD falling) (see Section 5. 3. 3.3V+150 MHz 5V, Note 1 DD © 2008 Microchip Technology Inc. ...
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... Specified Temperature Range Operating Temperature Range Storage Temperature Range Thermal Package Resistances Thermal Resistance, 8L-DFN Thermal Resistance, 8L-TDFN Thermal Resistance, 8L-TSSOP Note 1: Operation in this range must not cause T © 2008 Microchip Technology Inc. = 3.0V to 3.6V, GND = Ground and DD Sym Min Typ Max Units V 2.1 — ...
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... Data Transmission = -20°C to +125°C, A Conditions 2 I C/SMBus (V - 0.15V MAX IH MIN 0.15V 0.15V MIN IL MAX 0.15V) Temp. Sensor Only (characterized but not production tested) Stop Condition © 2008 Microchip Technology Inc. ...
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... Temperature Accuracy (°C) FIGURE 2-3: Temperature Accuracy Histogram +75°C. A © 2008 Microchip Technology Inc. = 3.0V to 3.6V, GND = Ground, SDA/SCL pulled- 10000 1000 EEPROM Write (Sensor in Shutdown Mode) 100 Sensor (EEPROM Inactive) 10 EEPROM Read (Sensor in Shutdown Mode) 1 100 120 ...
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... A 100% 80% 60% 40% 20% 0% 1,000,000 FIGURE 2-12: Response. , and 100 120 T (°C) A SDA IOL vs. Temperature. = 3.0V ° 0.4°C 3.6V - 100 120 T (°C) A Temperature Accuracy vs. TSSOP-8 DFN-8 22°C (Air) to 125°C (Oil bath Time (s) Package Thermal © 2008 Microchip Technology Inc. ...
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... Serial Data Line (SDA) SDA is a bidirectional input/output pin, used to serially transmit data to/from the host controller. This pin requires a pull-up resistor. (See Section 4.0 “Serial Communication”). © 2008 Microchip Technology Inc. Table 3-1. Pin Function Slave Address Slave Address ...
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... MCP98242 to respond with an ACK. Bit 8 in the address byte is a read/write bit. Setting this bit to ‘1’ commands a read operation, while ‘0’ commands a write operation (see . B-FREE Temperature Sensor is Figure 4-1). © 2008 Microchip Technology Inc. ...
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... SCLK toggles from low-to-high (see SU-DATA “Sensor And EEPROM Serial Interface Timing Specifications” on Page 4). © 2008 Microchip Technology Inc. 4.1.6 ACKNOWLEDGE (ACK) Each receiving device, when addressed, is obliged to generate an ACK bit after the reception of each byte. 9 The master device must generate an extra clock pulse for ACK to be recognized ...
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... Control 0.125°C/bit Logic 0.0625°C/bit 2 SMBus/Standard I C Interface SDA SCL 2 C/SMBus protocol compatible shows a block diagram of HV Generator Write Protected Array (00h-7Fh) X Standard Array (80h-FFh) Write Protect Circuitry Address Decoder Y Sense Amp R/W Control V GND DD © 2008 Microchip Technology Inc. ...
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... Device ID/Revision register 1000 = Resolution register 1XXX = Reserved © 2008 Microchip Technology Inc. The Capability register is used to provide bits describing the MCP98242’s capability in measurement resolution, measurement range and device accuracy. The device Configuration register provides access to configure the MCP98242’s various features. These registers are described in further detail in the following sections ...
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... SIGN 2 °C A LOWER °C 2 °C 2 ° Range Accuracy Event Hysteresis SHDN Evt Sel Evt Pol Evt Pol °C 2 °C 2 ° ° °C 2 °C 2 ° ° °C 2 °C 2 ° ° °C 2 °C 2 ° ° © 2008 Microchip Technology Inc. ...
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... Temperature Alarm defined function (This bit will never be cleared or set to ‘0’). 0 = The part has temperature boundary trip limits (T 1 temperautre event output (JC 42.4 required feature). © 2008 Microchip Technology Inc. U-0 U-0 U-0 — — — R-0 R-1 R-1 ...
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... A A SDA Address Byte MCP98242 SCLK A A SDA Address Byte FIGURE 5-2: Timing Diagram for Reading the Capability Register (See Section 4.0 “Serial Communication”). DS21996B-page Capability Pointer MCP98242 MSB Data Master MCP98242 LSB Data Master © 2008 Microchip Technology Inc. ...
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... When enabled, this bit remains set ‘1’ or locked until cleared by internal reset (Section 5.4 “Summary of Temperature Sensor Power-on Default”). This bit does not require a double-write. © 2008 Microchip Technology Inc. Conversion or Shutdown mode is selected using bit 8. In Shutdown mode, the band gap temperature sensor ...
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... This bit cannot be altered when either of the lock bits is set (bit 6 and bit 7). DS21996B-page 16 Window Lock Bit (Win. Lock): and T registers can be written. (power-up default) LOWER and T registers can not be written LOWER , T and T (power-up default) UPPER LOWER CRIT and T temperature boundaries are disabled.) UPPER LOWER © 2008 Microchip Technology Inc. ...
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... Reading the CONFIG Register SCLK SDA Address Byte SCLK A A SDA Address Byte FIGURE 5-3: Timing Diagram for Writing and Reading from the Configuration Register (See Section 4.0 “Serial Communication”). © 2008 Microchip Technology Inc Configuration Pointer MCP98242 MCP98242 ...
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... U = Unimplemented bit, read as ‘0’ ‘0’ = Bit is cleared : , T UPPER LOWER /T / UPPER LOWER R/W-0 R/W-0 R/W °C 2 °C 2 °C bit 8 R/W-0 U-0 U °C — — bit Bit is unknown and T located at ‘0000 0010b’, CRIT © 2008 Microchip Technology Inc. ...
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... SCLK A SDA Address Byte • Reading from the T Register. UPPER SCLK SDA Address Byte SCLK A A SDA Address Byte FIGURE 5-4: Timing Diagram for Writing and Reading from the T “Serial Communication”). © 2008 Microchip Technology Inc Pointer UPPER MCP98242 MCP98242 ...
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... Code 2 A register uses three bits (bits 15 greater than or equal CRIT is greater than T and bit 13 A UPPER is less than LOWER R-0 R-0 R °C 2 °C 2 °C bit 8 R-0 R-0 R °C — — bit Bit is unknown = 0°C, HYST © 2008 Microchip Technology Inc. , ...
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... SCLK SDA Address Byte MCP98242 SCLK A A SDA Address Byte FIGURE 5-5: Timing Diagram for Reading +25.25°C Temperature from the T Section 4.0 “Serial Communication”). © 2008 Microchip Technology Inc Pointer A MCP98242 MSB Data Master MCP98242 MCP98242 Note not necessary to ...
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... K K Manuf. ID Pointer MCP98242 MCP98242 MSB Data Master MCP98242 R-0 R-0 R-0 bit 8 R-1 R-0 R-0 bit Bit is unknown Note not necessary to select the register pointer if it was set from the previous read/write LSB Data Master © 2008 Microchip Technology Inc. ...
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... SCLK SDA Address Byte SCLK A A SDA Address Byte FIGURE 5-7: Timing Diagram for “Serial Communication”). © 2008 Microchip Technology Inc. R-0 R-0 Device ID R-0 R-0 Device Revision U = Unimplemented bit, read as ‘0’ ‘0’ = Bit is cleared Device ID Pointer MCP98242 ...
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... U = Unimplemented bit, read as ‘0’ ‘0’ = Bit is cleared = 30 ms typ typ.) CONV = 130 ms typ.) CONV = 260 ms typ.) CONV Resolution Pointer MCP98242 MCP98242 Resolution to 0.0625°C <0000 0011>b (See A U-0 R/W-0 R/W-0 — Resolution bit Bit is unknown Data MCP98242 © 2008 Microchip Technology Inc. ...
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... CRIT prevent false triggers at the Event output due to an accidental rewrite to these registers. © 2008 Microchip Technology Inc. The Event output can also be used as a critical temperature output using bit 2 of CONFIG (critical output only). When this feature is selected, the Event output becomes a comparator output ...
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... CONFIG (Event output mode) is ignored. FIGURE 5-9: Event Output Condition. DS21996B-page UPPER HYST T -T LOWER HYST Event Output Comparator Interrupt < the Event output is Comparator mode and bits CRIT HYST CRIT HYST UPPER HYST T -T LOWER HYST Bits A Critical © 2008 Microchip Technology Inc. ...
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... EEPROM address pointer. The following byte is data to be stored in the specified memory location. shows the timing diagram SCLK A A SDA Address Byte FIGURE 5-10: Timing Diagram for Byte Write (See Section 4.0 “Serial Communication”). © 2008 Microchip Technology Inc. Figure 5- ...
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... It is therefore necessary for the application software to prevent page write operations that would attempt to cross a page boundary Word Address (n) MCP98242 MCP98242 Data at (n+1) MCP98242 n is the initial address for a page Data at (n+15) MCP98242 © 2008 Microchip Technology Inc. ...
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... Page/byte write lower 128 bytes Note defined as ‘don’t care’. © 2008 Microchip Technology Inc. To access write protection, the device address code of the Address Byte is set to ‘0110’ instead of ‘1010’. The ‘1010’ Address code is used to access the memory area and the ‘ ...
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... A1 pin, connect A2 pin to GND to initiate CWP cycle. DD needs to be applied to the A0 pin and Table 5-3. Both A2 and A1 pins are Table Data MCP98242 needs to be applied to the A0 pin and and the corresponding slave DD Table 5-4 and Data MCP98242 © 2008 Microchip Technology Inc. ...
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... Note: Unlike SWP and CWP FIGURE 5-14: Timing Diagram for Setting Permanently Write Protect (See Section 4.0 “Serial Communication”). © 2008 Microchip Technology Inc. Note: Once the Permanent Write-Protect is executed, it cannot be reversed, even if the device power is cycled. Unlike SWP and CWP pin to execute PWP ...
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... K Address Byte Current Word Address MCP98242 In this example, the current word address is the previously accessed address location n plus 1. ACK Data Byte ACK NoACK X NoACK NoACK X NoACK NoACK X NoACK NoACK X NoACK NoACK X NoACK (Figure 5-15 Master © 2008 Microchip Technology Inc. ...
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... In this example, ‘n’ is the current Address Word which ‘00’h and the data is the byte at address ‘n’. FIGURE 5-16: Timing Diagram for Random Read (See Section 4.0 “Serial Communication”). © 2008 Microchip Technology Inc. set. The master then issues the Address Byte again, but with the R/W bit set to a ‘1’. The MCP98242 then issues an acknowledge and transmits the 8-bit data word ...
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... To provide sequential reads, the MCP98242 contains an internal address pointer, which is incremented by one at the completion of each operation. This address pointer allows the entire memory contents to be serially read during one operation Data (n) MCP98242 MCP98242 Data at (n+2) MCP98242 (1) Data at (n+m) Master © 2008 Microchip Technology Inc. ...
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... Address (Hexadecimal) Register Label 0x00 Capability 0x01 CONFIG 0x02 0x03 T 0x04 0x05 0x06 Manufacturer ID 0x07 Device ID/ Device Revision 0x08 Resolution © 2008 Microchip Technology Inc. threshold, the Default Register Data (Hexadecimal) 0x000F 0x0000 T 0x0000 UPPER 0x0000 LOWER T 0x0000 CRIT T 0x0000 A 0x0054 ...
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... power dissipation T is 0.2°C for the DFN-8 package Δ and 0.5°C for the TSSOP-8 package. EFFECT OF SELF- HEATING • • OL_Event OL_SDA OL_SDA max OL ) max = +25°C) with maximum A = 3.6V, the self-heating due to © 2008 Microchip Technology Inc. ...
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... Note: 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. © 2008 Microchip Technology Inc. MCP98242 : Example ABJ ...
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... MCP98242 D N NOTE TOP VIEW A3 DS21996B-page EXPOSED PAD BOTTOM VIEW A NOTE NOTE © 2008 Microchip Technology Inc. ...
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... Microchip Technology Inc. MCP98242 DS21996B-page 39 ...
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... MCP98242 DS21996B-page 40 © 2008 Microchip Technology Inc. ...
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... Microchip Technology Inc. MCP98242 DS21996B-page 41 ...
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... MCP98242 D N NOTE DS21996B-page φ L © 2008 Microchip Technology Inc. ...
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... APPENDIX A: REVISION HISTORY Revision B (February 2008) The following is the list of modifications: 1. Added TDFN package throughout document. Revision A (September 2006) • Original Release of this Document. © 2008 Microchip Technology Inc. MCP98242 DS21996B-page 43 ...
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... MCP98242 NOTES: DS21996B-page 44 © 2008 Microchip Technology Inc. ...
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... MCP98242 . MCP98242-BE/MC: Extended Temp., 8LD DFN pkg. MCP98242T-BE/MC: Tape and Reel, Extended Temp., 8LD DFN pkg. MCP98242-BE/ST: Extended Temp., 8LD TSSOP pkg. MCP98242T-BE/ST: Tape and Reel, Extended Temp., 8LD TSSOP pkg. MCP98242-BE/MNY: Extended Temp., 8LD TDFN (nickel palladium gold) pkg. DS21996B-page 45 ...
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... MCP98242 NOTES: DS21996B-page 46 © 2008 Microchip Technology Inc. ...
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... PowerMate, PowerTool, REAL ICE, rfLAB, Select Mode, Total Endurance, UNI/O, WiperLock and ZENA 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: 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 © 2008 Microchip Technology Inc. EUROPE Austria - Wels Tel: 43-7242-2244-39 Fax: 43-7242-2244-393 Denmark - Copenhagen Tel: 45-4450-2828 Fax: 45-4485-2829 France - Paris Tel: 33-1-69-53-63-20 ...