参数资料
| 型号： | PCA9535CD,112 |
| 厂商： | NXP Semiconductors |
| 文件页数： | 24/26页 |
| 文件大小： | 0K |
| 描述： | IC I/O EXPANDER I2C 16B 24SOIC |
| 标准包装： | 30 |
| 接口： | I²C，SM 总线 |
| 输入/输出数： | 16 |
| 中断输出： | 是 |
| 频率 - 时钟： | 400kHz |
| 电源电压： | 2.3 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 24-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 24-SO |
| 包装： | 管件 |
| 包括： | POR |
| 其它名称： | 935285271112 PCA9535CD PCA9535CD-ND |
PCA9535_PCA9535C_5
NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 05 — 15 September 2008
7 of 31
NXP Semiconductors
PCA9535; PCA9535C
16-bit I2C-bus and SMBus, low power I/O port with interrupt
6.2.2 Registers 0 and 1: Input port registers
This register is an input-only port. It reects the incoming logic levels of the pins,
regardless of whether the pin is dened as an input or an output by Register 3. Writes to
this register have no effect.
The default value ‘X’ is determined by the externally applied logic level.
6.2.3 Registers 2 and 3: Output port registers
This register is an output-only port. It reects the outgoing logic levels of the pins dened
as outputs by Registers 6 and 7. 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.
6.2.4 Registers 4 and 5: Polarity Inversion registers
This register allows the user to invert the polarity of the Input port register data. If a bit in
this register is set (written with ‘1’), the Input port data polarity is inverted. If a bit in this
register is cleared (written with a ‘0’), the Input port data polarity is retained.
Table 5.
Input port 0 Register
Bit
7
6
5
4
3
2
1
0
Symbol
I0.7
I0.6
I0.5
I0.4
I0.3
I0.2
I0.1
I0.0
Default
XXXXXXXX
Table 6.
Input port 1 register
Bit
7
6
5
4
3
2
1
0
Symbol
I1.7
I1.6
I1.5
I1.4
I1.3
I1.2
I1.1
I1.0
Default
XXXXXXXX
Table 7.
Output port 0 register
Bit
7
6
5
4
3
2
1
0
Symbol
O0.7
O0.6
O0.5
O0.4
O0.3
O0.2
O0.1
O0.0
Default
11111111
Table 8.
Output port 1 register
Bit
7
6
5
4
3
2
1
0
Symbol
O1.7
O1.6
O1.5
O1.4
O1.3
O1.2
O1.1
O1.0
Default
11111111
Table 9.
Polarity Inversion port 0 register
Bit
7
6
5
4
3
2
1
0
Symbol
N0.7
N0.6
N0.5
N0.4
N0.3
N0.2
N0.1
N0.0
Default
00000000
Table 10.
Polarity Inversion port 1 register
Bit
7
6
5
4
3
2
1
0
Symbol
N1.7
N1.6
N1.5
N1.4
N1.3
N1.2
N1.1
N1.0
Default
00000000
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相关代理商/技术参数 |
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| PCA9535CD-T | 功能描述:I2C 接口集成电路 16BIT I2C FM TP GPIO INT RoHS:否 制造商:NXP Semiconductors 电源电压-最大:5.5 V 电源电压-最小:2.3 V 最大工作频率:400 KHz 最大工作温度:+ 85 C 封装 / 箱体:TSSOP-16 |
| PCA9535CHF | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:16-bit I2C-bus and SMBus, low power I/O port with interrupt |
| PCA9535CHF,118 | 功能描述:I2C 接口集成电路 DUAL I2C/SMBUS VOLT RoHS:否 制造商:NXP Semiconductors 电源电压-最大:5.5 V 电源电压-最小:2.3 V 最大工作频率:400 KHz 最大工作温度:+ 85 C 封装 / 箱体:TSSOP-16 |
| PCA9535CHF-T | 功能描述:I2C 接口集成电路 DUAL I2C/SMBUS VOLT TRANSL RoHS:否 制造商:NXP Semiconductors 电源电压-最大:5.5 V 电源电压-最小:2.3 V 最大工作频率:400 KHz 最大工作温度:+ 85 C 封装 / 箱体:TSSOP-16 |
| PCA9535CPW | 功能描述:I2C 接口集成电路 16BIT I2C FM TP GPIO INT RoHS:否 制造商:NXP Semiconductors 电源电压-最大:5.5 V 电源电压-最小:2.3 V 最大工作频率:400 KHz 最大工作温度:+ 85 C 封装 / 箱体:TSSOP-16 |
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