ZHCSNJ1H August 2005 – March 2021 PCA9539
PRODUCTION DATA
- 1 特性
- 2 說明
- 3 Revision History
- 4 Description (Continued)
- 5 Pin Configuration and Functions
- 6 Specifications
- 7 Parameter Measurement Information
- 8 Detailed Description
- 9 Application Information Disclaimer
- 10Power Supply Recommendations
- 11Device and Documentation Support
- 12Mechanical, Packaging, and Orderable Information
封裝選項(xiàng)
機(jī)械數(shù)據(jù) (封裝 | 引腳)
散熱焊盤機(jī)械數(shù)據(jù) (封裝 | 引腳)
- RGE|24
訂購信息
8.3.2.1 Device Address
Figure 8-6 shows the address byte of the PCA9539.
Figure 8-6 Pca9539 AddressTable 8-2 Address Reference
| INPUTS | I2C BUS SLAVE ADDRESS | |
|---|---|---|
| A1 | A0 | |
| L | L | 116 (decimal), 74 (hexadecimal) |
| L | H | 117 (decimal), 75 (hexadecimal) |
| H | L | 118 (decimal), 76 (hexadecimal) |
| H | H | 119 (decimal), 77 (hexadecimal) |
The last bit of the slave address defines the operation (read or write) to be performed. A high (1) selects a read operation, while a low (0) selects a write operation.