参数资料
型号: PCA9575PW2,118
厂商: NXP Semiconductors
文件页数: 9/38页
文件大小: 0K
描述: IC I2C/SMBUS 16BIT GPIO 28TSSOP
产品培训模块: I²C Bus Fundamentals
特色产品: NXP - I2C Interface
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: 28-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 28-TSSOP
包装: 标准包装
包括: POR
其它名称: 568-6647-6
PCA9575_3
NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 03 — 9 November 2009
17 of 38
NXP Semiconductors
PCA9575
16-bit I2C-bus and SMBus, level translating, low voltage GPIO
7.6.13 Register 12 - Interrupt mask port 0 register
All the bits of Interrupt mask port 0 register are set to logic 1 upon power-on or software
reset, thus disabling interrupts. Interrupts may be enabled by setting corresponding mask
bits to logic 0.
7.6.14 Register 13 - Interrupt mask port 1 register
All the bits of Interrupt mask port 1 register are set to logic 1 upon power-on or software
reset, thus disabling interrupts. Interrupts may be enabled by setting corresponding mask
bits to logic 0.
Table 16.
Register 12 - Interrupt mask port 0 register (address 0Ch) bit description
Legend: * default value.
Bit
Symbol
Access
Value
Description
7
M0.7
R/W
1*
enable or disable interrupts
0 = enable interrupt
1 = disable interrupt (default value)
6
M0.6
R/W
1*
5
M0.5
R/W
1*
4
M0.4
R/W
1*
3
M0.3
R/W
1*
2
M0.2
R/W
1*
1
M0.1
R/W
1*
0
M0.0
R/W
1*
Table 17.
Register 13 - Interrupt mask port 1 register (address 0Dh) bit description
Legend: * default value.
Bit
Symbol
Access
Value
Description
7
M1.7
R/W
1*
enable or disable interrupts
0 = enable interrupt
1 = disable interrupt (default value)
6
M1.6
R/W
1*
5
M1.5
R/W
1*
4
M1.4
R/W
1*
3
M1.3
R/W
1*
2
M1.2
R/W
1*
1
M1.1
R/W
1*
0
M1.0
R/W
1*
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