ZHCSNJ0G September 2006 – March 2021 PCA9538
PRODUCTION DATA
| PIN | DESCRIPTION | |
|---|---|---|
| NAME | NO. | |
| A0 | 1 | Address input. Connect directly to VCC or ground |
| A1 | 2 | Address input. Connect directly to VCC or ground. |
| GND | 8 | Ground |
| INT | 13 | Interrupt output. Connect to VCC through a pullup resistor |
| P0 | 4 | P-port input-output. Push-pull design structure |
| P1 | 5 | P-port input-output. Push-pull design structure |
| P2 | 6 | P-port input-output. Push-pull design structure |
| P3 | 7 | P-port input-output. Push-pull design structure |
| P4 | 9 | P-port input-output. Push-pull design structure |
| P5 | 10 | P-port input-output. Push-pull design structure |
| P6 | 11 | P-port input-output. Push-pull design structure |
| P7 | 12 | P-port input-output. Push-pull design structure |
| RESET | 3 | Active-low reset input. Connect to VCC through a pullup resistor if no active connection is used |
| SCL | 14 | Serial clock bus. Connect to VCC through a pullup resistor |
| SDA | 15 | Serial data bus. Connect to VCC through a pullup resistor |
| VCC | 16 | Supply voltage |