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PCA9539APW

更新时间: 2024-01-30 05:33:54
品牌 Logo 应用领域
恩智浦 - NXP 并行IO端口微控制器和处理器外围集成电路光电二极管
页数 文件大小 规格书
39页 2401K
描述
Low-voltage 16-bit I2C-bus I/O port with interrupt and reset

PCA9539APW 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Obsolete包装说明:TSSOP, TSSOP24,.25
Reach Compliance Code:unknown风险等级:5.3
JESD-30 代码:R-PDSO-G24JESD-609代码:e3
长度:7.8 mm湿度敏感等级:1
位数:16I/O 线路数量:16
端口数量:2端子数量:24
最高工作温度:85 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装代码:TSSOP
封装等效代码:TSSOP24,.25封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH峰值回流温度(摄氏度):225
电源:2.5/5 V认证状态:Not Qualified
座面最大高度:1.1 mm子类别:Parallel IO Port
最大供电电压:5.5 V最小供电电压:2.3 V
标称供电电压:3 V表面贴装:YES
技术:CMOS温度等级:INDUSTRIAL
端子面层:MATTE TIN端子形式:GULL WING
端子节距:0.65 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:4.4 mm
Base Number Matches:1

PCA9539APW 数据手册

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PCA9539A  
NXP Semiconductors  
Low voltage 16-bit I2C-bus I/O port with interrupt and reset  
6.2 Registers  
6.2.1 Pointer register and command byte  
Following the successful acknowledgement of the address byte, the bus master sends a  
command byte, which is stored in the Pointer register in the PCA9539A. The lower  
four bits of this data byte state the operation (read or write) and the internal registers  
(Input, Output, Polarity Inversion, or Configuration) that will be affected. This register is  
write only.  
B7 B6 B5 B4 B3 B2 B1 B0  
002aaf540  
Fig 5. Pointer register bits  
Table 4.  
Command byte  
Pointer register bits  
B7 B6 B5 B4 B3 B2 B1 B0  
Command byte Register  
(hexadecimal)  
Protocol  
Power-up  
default  
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
00h  
01h  
02h  
03h  
04h  
05h  
06h  
07h  
Input port 0  
read byte  
read byte  
xxxx xxxx[1]  
xxxx xxxx  
Input port 1  
Output port 0  
read/write byte 1111 1111  
read/write byte 1111 1111  
read/write byte 0000 0000  
read/write byte 0000 0000  
read/write byte 1111 1111  
read/write byte 1111 1111  
Output port 1  
Polarity Inversion port 0  
Polarity Inversion port 1  
Configuration port 0  
Configuration port 1  
[1] Undefined.  
6.2.2 Input port register pair (00h, 01h)  
The Input port registers (registers 0 and 1) reflect the incoming logic levels of the pins,  
regardless of whether the pin is defined as an input or an output by the Configuration  
register. The Input port registers are read only; writes to these registers have no effect.  
The default value ‘X’ is determined by the externally applied logic level. An Input port  
register read operation is performed as described in Section 7.2 “Reading the port  
registers”.  
Table 5.  
Bit  
Input port 0 register (address 00h)  
7
I0.7  
X
6
I0.6  
X
5
I0.5  
X
4
I0.4  
X
3
I0.3  
X
2
I0.2  
X
1
I0.1  
X
0
I0.0  
X
Symbol  
Default  
Table 6.  
Bit  
Input port 1 register (address 01h)  
7
I1.7  
X
6
I1.6  
X
5
I1.5  
X
4
I1.4  
X
3
I1.3  
X
2
I1.2  
X
1
I1.1  
X
0
I1.0  
X
Symbol  
Default  
PCA9539A  
All information provided in this document is subject to legal disclaimers.  
© NXP B.V. 2012. All rights reserved.  
Product data sheet  
Rev. 1 — 26 September 2012  
6 of 39  

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