Transcription of MCP23008/MCP23S08 8-Bit I/O Expander with Serial Interface ...
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MCP23008/MCP23S08 8-Bit I/O Expander with Serial Interface ...
2004-2019 Microchip Technology 1 Features 8-Bit Remote Bidirectional I/O Port- I/O pins default to input High-Speed I2C Interface (MCP23008)- 100 kHz- 400 High-Speed SPI Interface (MCP23S08)-10 MHz Hardware Address Pins- Three for the MCP23008 to allow up to eight devices on the bus- Two for the MCP23S08 to allow up to four devices using the same Chip Select Configurable Interrupt Output Pin- Configurable as active-high, active-low or open-drain Configurable Interrupt Source- Interrupt-on-change from configured defaults or pin change Polarity Inversion Register to Configure the Polarity of the Input Port Data External Reset Input Low Standby Current: 1 A (max.) Operating Voltage:- to at -40 C to +85 CI2C at 100 kHzSPI at 5 MHz- to at -40 C to +85 CI2C at 400 kHzSPI at 10 MHz- to at -40 C to +125 CI2C at kHzSPI at 10 MHzPackages 18-pin PDIP (300 mil) 18-pin SOIC (300 mil) 20-pin SSOP 20-pin QFNB lock DiagramGP0GP1GP2GP3GP4GP5GP6GP7 SerialControlGPIOSCLSDARESETINT8 Configuration/8A2:A03 ControlRegistersSerializer/DeserializerI nterruptLogic VDDVSSPORD ecode Interface SCKSISOMCP23S08 MCP23008A1:A0 MCP23S08 MCP23008/MCP23S088-Bit I/O Expander with Serial Interface 2004-2019 Microchip Technology 2 MCP23008/MCP23S08 Package TypesSDASCLNCINTRESETA1GP4 VDDGP7GP6GP5GP3GP21234567181716151413
internal weak pull-up resistor. GP6 16 15 18 I/O Bidirectional I/O pin. Can be enabled for interrupt-on-change and/or internal weak pull-up resistor. GP7 17 16 19 I/O Bidirectional I/O pin. Can be enabled for interrupt-on-change and/or internal weak pull-up resistor. VDD 18 18 20 P Power. N/C — 6, 8 10, 11 — —
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