参数资料
型号: MCP23016-I/SS
厂商: Microchip Technology
文件页数: 35/38页
文件大小: 0K
描述: IC I/O EXPANDER I2C 16B 28SSOP
标准包装: 47
接口: I²C
输入/输出数: 16
中断输出:
频率 - 时钟: 400kHz
电源电压: 2 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 28-SSOP(0.209",5.30mm 宽)
供应商设备封装: 28-SSOP
包装: 管件
包括: POR
产品目录页面: 684 (CN2011-ZH PDF)
MCP23016
DS20090C-page 6
2007 Microchip Technology Inc.
1.7.1
DATA PORT REGISTERS
Two registers provide access to the two GPIO ports:
GP0 (provides access to data port GP0)
GP1 (provides access to data port GP1)
A read from this register provides status on pins of
these ports. A write to these registers will modify the
output latch registers (OLAT0, OLAT1) and data output.
REGISTER 1-1:
GP0 - GENERAL PURPOSE I/O PORT REGISTER 0
REGISTER 1-2:
GP1 - GENERAL PURPOSE I/O PORT REGISTER 1
R/W-0
GP0.7GP0.6
GP0.5GP0.4
GP0.3GP0.2
GP0.1GP0.0
bit 7
bit 0
bit 7-0
GP0.0:GP0.7: Reflects the logic level on the pins.
1
= Logic ‘1’
0
= Logic ‘0’
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
- n = Value at POR
‘1’ = Bit is set
‘0’ = Bit is cleared
x = Bit is unknown
R/W-0
GP1.7GP1.6
GP1.5GP1.4
GP1.3GP1.2
GP1.1GP1.0
bit 7
bit 0
bit 7-0
GP1.0:GP1.7: Reflects the logic level on the pins.
1
= Logic ‘1’
0
= Logic ‘0’
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
- n = Value at POR
‘1’ = Bit is set
‘0’ = Bit is cleared
x = Bit is unknown
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