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TCA6424A 参数 Datasheet PDF下载

TCA6424A图片预览
型号: TCA6424A
PDF下载: 下载PDF文件 查看货源
内容描述: 低压24位I2C和SMBus I / O扩展器,带有中断输出,复位和配置寄存器 [LOW-VOLTAGE 24-BIT I2C AND SMBus I/O EXPANDER WITH INTERRUPT OUTPUT RESET AND CONFIGURATION REGISTERS]
分类和应用: 输出元件
文件页数/大小: 33 页 / 540 K
品牌: TI [ TEXAS INSTRUMENTS ]
 浏览型号TCA6424A的Datasheet PDF文件第5页浏览型号TCA6424A的Datasheet PDF文件第6页浏览型号TCA6424A的Datasheet PDF文件第7页浏览型号TCA6424A的Datasheet PDF文件第8页浏览型号TCA6424A的Datasheet PDF文件第10页浏览型号TCA6424A的Datasheet PDF文件第11页浏览型号TCA6424A的Datasheet PDF文件第12页浏览型号TCA6424A的Datasheet PDF文件第13页  
TCA6424A  
SCPS193B JULY 2010REVISED SEPTEMBER 2010  
POWER-UP  
www.ti.com  
Table 5. Command Byte  
CONTROL REGISTER BITS  
AUTO-  
INCREMENT  
STATE  
COMMAND  
BYTE  
REGISTER  
PROTOCOL  
DEFAULT  
AI B6 B5  
B4  
B3  
B2  
B1  
B0  
(HEX)  
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
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
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
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
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
Disable  
Enable  
Disable  
Enable  
Disable  
Enable  
Disable  
Enable  
Disable  
Enable  
Disable  
Enable  
Disable  
Enable  
Disable  
Enable  
Disable  
Enable  
Disable  
Enable  
Disable  
Enable  
Disable  
Enable  
Disable  
Enable  
Disable  
Enable  
Disable  
Enable  
Disable  
Enable  
00  
80  
01  
81  
02  
82  
03  
83  
04  
84  
05  
85  
06  
86  
07  
87  
08  
88  
09  
89  
0A  
8A  
0B  
8B  
0C  
8C  
0D  
8D  
0E  
8E  
0F  
8F  
Input Port 0  
Input Port 1  
Input Port 2  
Reserved  
Read byte  
Read byte  
Read byte  
Reserved  
xxxx xxxx(1)  
xxxx xxxx(1)  
xxxx xxxx(1)  
Reserved  
1111 1111  
1111 1111  
1111 1111  
Reserved  
0000 0000  
0000 0000  
0000 0000  
Reserved  
1111 1111  
1111 1111  
1111 1111  
Reserved  
Read/write  
byte  
Output Port 0  
Output Port 1  
Output Port 2  
Reserved  
Read/write  
byte  
Read/write  
byte  
Reserved  
Polarity Inversion  
Port 0  
Read/write  
byte  
Polarity Inversion  
Port 1  
Read/write  
byte  
Polarity Inversion  
Port 2  
Read/write  
byte  
Reserved  
Reserved  
Read/write  
byte  
Configuration Port 0  
Configuration Port 1  
Configuration Port 2  
Reserved  
Read/write  
byte  
Read/write  
byte  
Reserved  
(1) Undefined  
Copyright © 2010, Texas Instruments Incorporated  
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