ZHCSCG5C May 2014 – November 2019 TCA9544A
PRODUCTION DATA.
| PIN | DESCRIPTION | |
|---|---|---|
| NAME | NO. | |
| A0 | 1 | Address input 0. Connect directly to VCC or ground. |
| A1 | 2 | Address input 1. Connect directly to VCC or ground. |
| A2 | 3 | Address input 2. Connect directly to VCC or ground. |
| INT0 | 4 | Active-low interrupt input 0. Connect to VDPU0(1) through a pull-up resistor. |
| SD0 | 5 | Serial data 0. Connect to VDPU0(1) through a pull-up resistor. |
| SC0 | 6 | Serial clock 0. Connect to VDPU0(1) through a pull-up resistor. |
| INT1 | 7 | Active-low interrupt input 1. Connect to VDPU1(1) through a pull-up resistor. |
| SD1 | 8 | Serial data 1. Connect to VDPU1(1) through a pull-up resistor. |
| SC1 | 9 | Serial clock 1. Connect to VDPU1(1) through a pull-up resistor. |
| GND | 10 | Ground |
| INT2 | 11 | Active-low interrupt input 2. Connect to VDPU2(1) through a pull-up resistor. |
| SD2 | 12 | Serial data 2. Connect to VDPU2(1) through a pull-up resistor. |
| SC2 | 13 | Serial clock 2. Connect to VDPU2(1) through a pull-up resistor. |
| INT3 | 14 | Active-low interrupt input 3. Connect to VDPU3(1) through a pull-up resistor. |
| SD3 | 15 | Serial data 3. Connect to VDPU3(1) through a pull-up resistor. |
| SC3 | 16 | Serial clock 3. Connect to VDPU3(1) through a pull-up resistor. |
| INT | 17 | Active-low interrupt output. Connect to VDPUM(1) through a pull-up resistor. |
| SCL | 18 | Serial clock line. Connect to VDPUM(1) through a pull-up resistor. |
| SDA | 19 | Serial data line. Connect to VDPUM(1) through a pull-up resistor. |
| VCC | 20 | Supply power |