SCPS129K August 2005 – March 2021 PCA9535
PRODUCTION DATA
PIN | DESCRIPTION | ||
---|---|---|---|
NAME | SOIC (D), SSOP (DB), QSOP (DBQ), TSSOP (PW), AND TVSOP (DGV) |
QFN (RGE AND RTW) |
|
INT | 1 | 22 | Interrupt output. Connect to VCC through a pullup resistor. |
A1 | 2 | 23 | Address input. Connect directly to VCC or ground. |
A2 | 3 | 24 | Address input. Connect directly to VCC or ground. |
P00 | 4 | 1 | P-port input/output. Push-pull design structure. |
P01 | 5 | 2 | P-port input/output. Push-pull design structure. |
P02 | 6 | 3 | P-port input/output. Push-pull design structure. |
P03 | 7 | 4 | P-port input/output. Push-pull design structure. |
P04 | 8 | 5 | P-port input/output. Push-pull design structure. |
P05 | 9 | 6 | P-port input/output. Push-pull design structure. |
P06 | 10 | 7 | P-port input/output. Push-pull design structure. |
P07 | 11 | 8 | P-port input/output. Push-pull design structure. |
GND | 12 | 9 | Ground |
P10 | 13 | 10 | P-port input/output. Push-pull design structure. |
P11 | 14 | 11 | P-port input/output. Push-pull design structure. |
P12 | 15 | 12 | P-port input/output. Push-pull design structure. |
P13 | 16 | 13 | P-port input/output. Push-pull design structure. |
P14 | 17 | 14 | P-port input/output. Push-pull design structure. |
P15 | 18 | 15 | P-port input/output. Push-pull design structure. |
P16 | 19 | 16 | P-port input/output. Push-pull design structure. |
P17 | 20 | 17 | P-port input/output. Push-pull design structure. |
A0 | 21 | 18 | Address input. Connect directly to VCC or ground. |
SCL | 22 | 19 | Serial clock bus. Connect to VCC through a pullup resistor. |
SDA | 23 | 20 | Serial data bus. Connect to VCC through a pullup resistor. |
VCC | 24 | 21 | Supply voltage |