MCP23016 Registers

Collaboration diagram for MCP23016 Registers:

Macros
#define	MCP23016_GP_REG   0x0
	MCP23016 General purpose I/O port register (Read/write)
#define	MCP23016_OLAT_REG   0x2
	MCP23016 Output latch register (Read/write)
#define	MCP23016_IPOL_REG   0x4
	MCP23016 Input polarity port register (Read/write)
#define	MCP23016_IODIR_REG   0x6
	MCP23016 I/O direction register (Read/write)
#define	MCP23016_INTCAP_REG   0x8
	MCP23016 Interrupt captured value register (Read only)
#define	MCP23016_IOCON_REG   0xA
	MCP23016 I/0 control register (Read/write)

Detailed Description

Macro Definition Documentation

MCP23016_GP_REG

#define MCP23016_GP_REG   0x0

#include <modules/mcp23016.h>

MCP23016 General purpose I/O port register (Read/write)

Note

Default register value = 0x00

MCP23016_INTCAP_REG

#define MCP23016_INTCAP_REG   0x8

#include <modules/mcp23016.h>

MCP23016 Interrupt captured value register (Read only)

Note

Default register value not defined

MCP23016_IOCON_REG

#define MCP23016_IOCON_REG   0xA

#include <modules/mcp23016.h>

MCP23016 I/0 control register (Read/write)

Note

Default register value not defined

MCP23016_IODIR_REG

#define MCP23016_IODIR_REG   0x6

#include <modules/mcp23016.h>

MCP23016 I/O direction register (Read/write)

Note

Default register value = 0xFF

MCP23016_IPOL_REG

#define MCP23016_IPOL_REG   0x4

#include <modules/mcp23016.h>

MCP23016 Input polarity port register (Read/write)

Note

Default register value = 0x00

MCP23016_OLAT_REG

#define MCP23016_OLAT_REG   0x2

#include <modules/mcp23016.h>

MCP23016 Output latch register (Read/write)

Note

Default register value = 0x00