ZHCSP01 July 2022 TCAL9539
ADVANCE INFORMATION
The address of the TCAL9539 is shown in Figure 8-6.
Figure 8-6 TCAL9539 Address| Inputs | I2C BUS RESPONDER 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 responder 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.