SCPS275A July 2021 – December 2021 TCA9536
PRODUCTION DATA
Table 8-1 shows the fixed 7-bit address of the device. Note that I2C uses a 7-bit address with a 1-bit READ/WRITE bit for the LSB.
Device | A6 | A5 | A4 | A3 | A2 | A1 | A0 | Hex | Decimal |
---|---|---|---|---|---|---|---|---|---|
TCA9536 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0x41 | 65 |
TCA9536A | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0x40 | 64 |
TCA9536B | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 0x43 | 67 |
TCA9536C | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0x42 | 66 |
The last bit of the 8-bit address byte defines the operation (read or write) to be performed. When it is high (1), a read is selected, while a low (0) selects a write operation.