MAX7301AAI+ Maxim Integrated Products, MAX7301AAI+ Datasheet
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MAX7301AAI+
Specifications of MAX7301AAI+
Related parts for MAX7301AAI+
MAX7301AAI+ Summary of contents
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... I/O Ports, Each Configurable as Push-Pull Logic Output Schmitt Logic Input Schmitt Logic Input with Internal Pullup ♦ 11µA (max) Shutdown Current ♦ Logic Transition Detection for Seven I/O Ports PART MAX7301AAI+ MAX7301AAX+ MAX7301ATL+ +Denotes lead-free package. Applications CHIP SELECT Features ...
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I/O Expander ABSOLUTE MAXIMUM RATINGS (Voltage with respect to GND.) V+ .............................................................................-0.3V to +6V All Other Pins................................................-0.3V to (V+ + 0.3V) P4–P31 Current ................................................................±30mA GND Current .....................................................................800mA Continuous Power Dissipation (T = +70°C) ...
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ELECTRICAL CHARACTERISTICS (continued) (Typical Operating Circuit 2.5V to 5.5V, T PARAMETER SYMBOL Port Sink Current Output Short-Circuit Current Input High-Voltage SCLK, DIN, CS Input Low-Voltage SCLK, DIN, CS Input Leakage Current SCLK, ...
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I/O Expander __________________________________________Typical Operating Characteristics (T = +25°C, unless otherwise noted.) A OPERATING SUPPLY CURRENT vs. TEMPERATURE 0. 2.5V TO 5.5V 0.36 NO LOAD 0.32 0.28 ALL PORTS ALL PORTS OUTPUT ...
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PIN 36 SSOP 28 SSOP TQFN 37, 38 — 5–24 — 1–10, 5–32 — 12–19, 21–30 — — 11, 20 ...
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I/O Expander Table 1. Port Configuration Map REGISTER Port Configuration for P7, P6, P5, P4 Port Configuration for P11, P10, P9, P8 Port Configuration for P15, P14, P13, P12 Port Configuration for P19, ...
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GPIO P4 TO P31 GPIO DATA DIN SCLK Figure 1. MAX7301 Functional Diagram The MAX7301 is written to using the following sequence: 1) Take SCLK low. ...
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I/O Expander CS t CSS t CSH SCLK DIN DOUT Figure 2. 4-Wire Interface Initial Power-Up On initial power-up, all control registers are reset, and the MAX7301 enters shutdown ...
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MICROCONTROLLER SERIAL-DATA INPUT SERIAL CS OUTPUT SERIA-CLOCK OUTPUT SERIAL-DATA OUTPUT Figure 3. Daisy-Chain Arrangement for Controlling Multiple MAX7301s CS SCLK D15 DIN D14 D13 D12 = 0 DOUT Figure 4. Transmission of a16-Bit Write ...
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I/O Expander Table 3. Register Address Map REGISTER No-Op Configuration Transition Detect Mask Factory Reserved. Do not write to this. Port Configuration P7, P6, P5, P4 Port Configuration P11, P10, P9, P8 Port ...
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Table 3. Register Address Map (continued) REGISTER Port 26 only (data bit D0. D7–D1 read as 0) Port 27 only (data bit D0. D7–D1 read as 0) Port 28 only (data bit D0. D7–D1 ...
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I/O Expander P31 GPIO INPUT CONDITIONING P30 GPIO/PORT OUTPUT LATCH GPIO INPUT CONDITIONING P29 GPIO/PORT OUTPUT LATCH GPIO INPUT CONDITIONING P28 GPIO/PORT OUTPUT LATCH GPIO INPUT CONDITIONING P27 GPIO/PORT OUTPUT LATCH GPIO INPUT ...
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Table 4. Power-Up Configuration REGISTER POWER-UP CONDITION FUNCTION Port Register GPIO Output Low Bits Configuration Shutdown Enabled Register Transition Detection Disabled Input Mask All Clear (Masked Off) Register Port P7, P6, ...
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I/O Expander Table 7. Transition Detection Control (M Data Bit D7) Format ADDRESS CODE FUNCTION (HEX) Disabled 0x04 Enabled 0x04 Table 8. Transition Detection Mask Register REGISTER READ/ FUNCTION ADDRESS WRITE (HEX) Read ...
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TOP VIEW + ISET ISET GND GND GND GND 3 26 DIN DOUT DOUT 4 25 SCLK P8 P12 5 24 P31 P12 P13 6 23 P30 MAX7301 ...
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I/O Expander (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information www.maxim-ic.com/packages NOTES: 1. D&E DO NOT INCLUDE ...
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... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 ____________________ 17 © 2006 Maxim Integrated Products ...