参数资料
型号: PCA9575PW1,118
厂商: NXP Semiconductors
文件页数: 8/38页
文件大小: 0K
描述: IC I/O EXPANDER I2C 16B 24TSSOP
标准包装: 1
接口: I²C,SM 总线
输入/输出数: 16
中断输出:
频率 - 时钟: 400kHz
电源电压: 1.1 V ~ 3.6 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 24-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 24-TSSOP
包装: 标准包装
包括: POR
其它名称: 568-9538-6
PCA9575_3
NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 03 — 9 November 2009
16 of 38
NXP Semiconductors
PCA9575
16-bit I2C-bus and SMBus, level translating, low voltage GPIO
7.6.11 Register 10 - Output port 0 register
This register is an output-only port. It reects the outgoing logic levels of the pins dened
as outputs by Register 8. Bit values in this register have no effect on pins dened as
inputs. In turn, reads from this register reect the value that is in the ip-op controlling the
output selection, not the actual pin value.
7.6.12 Register 11 - Output port 1 register
This register is an output-only port. It reects the outgoing logic levels of the pins dened
as outputs by Register 9. Bit values in this register have no effect on pins dened as
inputs. In turn, reads from this register reect the value that is in the ip-op controlling the
output selection, not the actual pin value.
Table 14.
Register 10 - Output port 0 register (address 0Ah) bit description
Legend: * default value.
Bit
Symbol
Access
Value
Description
7
O0.7
R/W
0*
reects outgoing logic levels of pins dened as
outputs by Register 8
6
O0.6
R/W
0*
5
O0.5
R/W
0*
4
O0.4
R/W
0*
3
O0.3
R/W
0*
2
O0.2
R/W
0*
1
O0.1
R/W
0*
0
O0.0
R/W
0*
Table 15.
Register 11 - Output port 1 register (address 0Bh) bit description
Legend: * default value.
Bit
Symbol
Access
Value
Description
7
O1.7
R/W
0*
reects outgoing logic levels of pins dened as
outputs by Register 9
6
O1.6
R/W
0*
5
O1.5
R/W
0*
4
O1.4
R/W
0*
3
O1.3
R/W
0*
2
O1.2
R/W
0*
1
O1.1
R/W
0*
0
O1.0
R/W
0*
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