MCP23016 查看數據表（PDF） - Microchip Technology
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MCP23016 Datasheet PDF : 38 Pages
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MCP23016
1.7 Register Block
The register block contains the Configuration and Port registers, as shown in Table 1-5.
TABLE 1-5: REGISTER SUMMARY
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Port Registers
GP0
GP1
OLAT0
OLAT1
GP0.7
GP1.7
OL0.7
OL1.7
GP0.6
GP1.6
OL0.6
OL1.6
GP0.5
GP1.5
OL0.5
OL1.5
GP0.4
GP1.4
OL0.4
OL1.4
GP0.3
GP1.3
OL0.3
OL1.3
GP0.2
GP1.2
OL0.2
OL1.2
Configuration Registers
IPOL0 IGP0.7 IGP0.6 IGP0.5 IGP0.4 IGP0.3 IGP0.2
IPOL1 IGP1.7 IGP1.6 IGP1.5 IGP1.4 IGP1.3 IGP1.2
IODIR0 IOD0.7 IOD0.6 IOD0.5 IOD0.4 IOD0.3 IOD0.2
IODIR1 IOD1.7 IOD1.6 IOD1.5 IOD1.4 IOD1.3 IOD1.2
INTCAP0 ICP0.7 ICP0.6 ICP0.5 ICP0.4 ICP0.3 ICP0.2
INTCAP1 ICP1.7 ICP1.6 ICP1.5 ICP1.4 ICP1.3 ICP1.2
IOCON0
—
—
—
—
—
—
IOCON1
—
—
—
—
—
—
Legend: ‘1’ bit is set, ‘0’ bit is cleared, x = unknown, — = unimplemented.
GP0.1
GP1.1
OL0.1
OL1.1
IGP0.1
IGP1.1
IOD0.1
IOD1.1
ICP0.1
ICP1.1
—
—
Bit 0
Value on
POR
GP0.0
GP0.0
OL0.0
OL1.0
0000 0000
0000 0000
0000 0000
0000 0000
IGP0.0
IGP1.0
IOD0.0
IOD1.0
ICP0.0
ICP1.0
IARES
IARES
0000 0000
0000 0000
1111 1111
1111 1111
xxxx xxxx
xxxx xxxx
---- ---0
---- ---0
© 2007 Microchip Technology Inc.
DS20090C-page 5
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