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MCP23009ESS 데이터시트(PDF) 15 Page - Microchip Technology

부품명 MCP23009ESS
상세설명  8-Bit I/O Expander with Open-Drain Outputs
PDF  50 Pages
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제조업체  MICROCHIP [Microchip Technology]
홈페이지  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

MCP23009ESS 데이터시트(HTML) 15 Page - Microchip Technology

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© 2009 Microchip Technology Inc.
DS22121B-page 15
MCP23009/MCP23S09
1.6
Configuration and Control
Registers
There are eleven (11) registers associated with the
MCP23X09 as shown in Table 1-4.
TABLE 1-4:
CONFIGURATION AND CONTROL REGISTER
Register
Name
Address
(hex)
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
POR/RST
value
IODIRA
00
IO7
IO6
IO5
IO4
IO3
IO2
IO1
IO0
1111 1111
IPOLA
01
IP7
IP6
IP5
IP4
IP3
IP2
IP1
IP0
0000 0000
GPINTENA
02
GPINT7
GPINT6
GPINT5
GPINT4
GPINT3
GPINT2
GPINT1
GPINT0
0000 0000
DEFVALA
03
DEF7
DEF6
DEF5
DEF4
DEF3
DEF2
DEF1
DEF0
0000 0000
INTCONA
04
IOC7IOC6IOC5
IOC4IOC3IOC2IOC1
IOC0
0000 0000
IOCON
05
—
—
SEQOP
—
—ODR
INTPOL
INTCC
0000 0000
GPPUA
06
PU7
PU6
PU5
PU4
PU3
PU2
PU1
PU0
0000 0000
INTFA
07
INT7
INT6
INT5
INT4
INT3
INT2
INT1
INTO
0000 0000
INTCAPA
08
ICP7ICP6ICP5ICP4ICP3ICP2ICP1
ICP0
0000 0000
GPIOA
09
GP7
GP6
GP5
GP4
GP3
GP2
GP1
GP0
0000 0000
OLATA
0A
OL7
OL6
OL5
OL4
OL3
OL2
OL1
OL0
0000 0000



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