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参数资料
| 型号： | PCA9502BS,128 |
| 厂商： | NXP Semiconductors |
| 文件页数： | 21/25页 |
| 文件大小： | 0K |
| 描述： | IC I/O EXPANDER I2C/SPI 24HVQFN |
| 标准包装： | 1,500 |
| 接口： | I²C，SPI |
| 输入/输出数： | 8 |
| 中断输出： | 无 |
| 频率 - 时钟： | 400kHz |
| 电源电压： | 2.3 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-VFQFN 裸露焊盘 |
| 供应商设备封装： | 24-HVQFN（4x4） |
| 包装： | 带卷 (TR) |
| 其它名称： | 935281363128 PCA9502BS-F PCA9502BS-F-ND |
PCA9502_3
NXP B.V. 2006. All rights reserved.
Product data sheet
Rev. 03 — 13 October 2006
5 of 25
NXP Semiconductors
PCA9502
8-bit I/O expander with I2C-bus/SPI interface
7.2 Interrupts
The PCA9502 has interrupt generation capability. The interrupt enable register (IOIntEna)
enables interrupts due to I/O pin change of state, and the IRQ signal in response to an
interrupt generation.
8.
Register descriptions
The programming combinations for register selection are shown in Table 5.
[1]
Other addresses 0x00 through 0x09, 0x0F are reserved and should not be accessed (read or write).
[2]
These bits are reserved and should be set to 0.
8.1 Programmable I/O pins Direction register (IODir)
This register is used to program the I/O pins direction. Bit 0 to bit 7 control GPIO0 to
GPIO7.
Remark: If there is a pending input (GPIO) interrupt and IODir is written, this pending
interrupt will be cleared, that is, the interrupt signal will be negated.
Table 5.
Register map - read/write properties
Register name
Read mode
Write mode
IODir
I/O pin direction
IOState
I/O pin states
n/a
IOIntEna
I/O interrupt enable register
IOControl
I/O pins control
Table 6.
PCA9502 internal registers
Register
address
Register
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
R/W
General Register Set
0x0A[1]
IODir
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
R/W
0x0B[1]
IOState
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
R/W
0x0C[1]
IOIntEna
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
R/W
0x0D[1]
reserved
reserved
reserved
reserved
reserved
reserved
reserved
reserved
reserved
0x0E[1]
IOControl
reserved
reserved
reserved
reserved
SReset
reserved
reserved
IOLatch
R/W
Table 7.
IODir register (address 0x0A) bit description
Bit
Symbol
Description
7:0
IODir
set GPIO pins 7:0 to input or output
0 = input
1 = output
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相关代理商/技术参数 |
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| PCA9502BS-F | 功能描述:接口-I/O扩展器 8-BITI/O EXPDR W/I2C-SPI INTRF RoHS:否 制造商:NXP Semiconductors 逻辑系列: 输入/输出端数量: 最大工作频率:100 kHz 工作电源电压:1.65 V to 5.5 V 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:HVQFN-16 封装:Reel |
| PCA9503A | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Smart, simple solutions for the 12 most common design concerns |
| PCA9504A | 功能描述:接口 - 专用 GLUE CHIP 4 RoHS:否 制造商:Texas Instruments 产品类型:1080p60 Image Sensor Receiver 工作电源电压:1.8 V 电源电流:89 mA 最大功率耗散: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:BGA-59 |
| PCA9504ADGG | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Glue chip 4 |
| PCA9504ADGG,112 | 功能描述:接口 - 专用 GLUE CHIP 4 RoHS:否 制造商:Texas Instruments 产品类型:1080p60 Image Sensor Receiver 工作电源电压:1.8 V 电源电流:89 mA 最大功率耗散: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:BGA-59 |
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