MAX7300AAI Maxim Integrated Products, MAX7300AAI Datasheet
MAX7300AAI
Specifications of MAX7300AAI
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MAX7300AAI Summary of contents
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... C addresses from only two select pins. The MAX7300AAX and MAX7300ATL have 28 ports and are available in 36-pin SSOP and 40-pin thin QFN pack- ages, respectively. The MAX7300AAI and MAX7300ATI have 20 ports and are available in 28-pin SSOP and thin QFN packages. For an SPI-interfaced version, refer to the MAX7301 data sheet ...
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I/O Expander ABSOLUTE MAXIMUM RATINGS Voltage (with respect to GND) V+ .............................................................................-0.3V to +6V SCL, SDA, AD0, AD1................................................-0.3V to +6V All Other Pins................................................-0.3V to (V+ + 0.3V) P4–P31 Current ................................................................±30mA GND Current .....................................................................800mA ...
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ELECTRICAL CHARACTERISTICS (continued) (Typical Operating Circuit 2.5V to 5.5V, T PARAMETER SYMBOL Output High Voltage Port Sink Current Output Short-Circuit Current I Input High-Voltage SDA, SCL, AD0, AD1 Input Low-Voltage SDA, SCL, ...
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I/O Expander TIMING CHARACTERISTICS (Figure 2) (continued) (V+ = 2.5V to 5.5V unless otherwise noted.) (Note 1) A MIN MAX Note 1: All parameters tested at T ...
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T = +25°C, unless otherwise noted.) ISET A GPO SINK CURRENT vs. TEMPERATURE (OUTPUT = 2.5V TO 5.5V ...
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... The 36-pin MAX7300AAX and 40-pin MAX7300ATL have 28 ports P31. The 28-pin MAX7300ANI, MAX7300AAI, and MAX7300ATI have only 20 ports available, P12 to P31. The eight unused ports should be configured as outputs on power-up by writing 0x55 6 ...
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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, P18, P17, P16 ...
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I/O Expander P4 TO P31 GPIO DATA 8 AD0 ADDRESS MATCHER AD1 7-BIT DEVICE ADDRESS SDA SLAVE ADDRESS BYTE SCL Figure 1. MAX7300 Functional Diagram MAX7300 is the recipient. When ...
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SDA t SU, DAT t LOW SCL t HIGH t HD, STA t R START CONDITION Figure 2. 2-Wire Serial Interface Timing Details SDA S SCL START CONDITION Figure 3. Start and Stop Conditions ...
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I/O Expander START CONDITION SCL SDA BY TRANSMITTER S SDA BY RECEIVER Figure 5. Acknowledge SDA 1 0 MSB SCL Figure 6. Slave Address Operation with Multiple Masters If the MAX7300 is operated ...
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COMMAND BYTE IS STORED ON RECEIPT OF STOP CONDITION ACKNOWLEDGE FROM MAX7300 S Figure 7. Command Byte Received HOW COMMAND BYTE AND DATA BYTE MAP INTO MAX7300’s REGISTER ACKNOWLEDGE FROM MAX7300 S SLAVE ADDRESS ...
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I/O Expander HOW COMMAND BYTE AND DATA BYTE MAP INTO MAX7300’s REGISTER ACKNOWLEDGE FROM MAX7300 S SLAVE ADDRESS Figure 9. ‘n’ Data Bytes Received Table 3. MAX7300 Address Map PIN CONNECTION AD1 AD0 ...
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Table 5. Register Address Map REGISTER No-Op Configuration Transition Detect Mask Factory Reserved; do not write to this port Port Configuration P7, P6, P5, P4 Port Configuration P11, P10, P9, P8 Port Configuration P15, ...
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I/O Expander Table 5. 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 ...
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Table 6. 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. Configuration Register Format ADDRESS CODE FUNCTION (HEX) Configuration Register 0x04 Table 8. Shutdown Control (S Data Bit D0) Format ADDRESS CODE FUNCTION (HEX) Shutdown 0x04 Normal Operation 0x04 Table ...
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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 CONDITIONING P26 GPIO/PORT ...
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I/O Expander TOP VIEW ISET 1 GND 2 GND 3 AD0 MAX7300 P12 P13 8 P10 9 P14 10 P11 11 P15 12 P16 13 P17 14 ...
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For the latest package outline information www.maxim-ic.com/packages.) ______________________________________________________________________________________ 28-Port I/O Expander Package Information 19 ...
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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.) 20 ______________________________________________________________________________________ Package Information (continued) ...
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For the latest package outline information www.maxim-ic.com/packages.) ______________________________________________________________________________________ 28-Port I/O Expander Package Information (continued) 21 ...
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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.) 22 ______________________________________________________________________________________ Package Information (continued) ...
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For the latest package outline information www.maxim-ic.com/packages TOP VIEW D e FRONT VIEW ______________________________________________________________________________________ 28-Port I/O ...
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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. 24 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2006 Maxim Integrated Products ...