ZHCSWP4A July 2007 – July 2024 TRS208
PRODUCTION DATA
4 Pin Configuration and Functions
Table 4-1 Pin Functions
| PIN | TYPE(1) | DESCRIPTION | |
|---|---|---|---|
| NAME | DB or DW | ||
| DOUT2 | 1 | O | RS232 line data output (to remote RS232 system) |
| DOUT1 | 2 | O | RS232 line data output (to remote RS232 system) |
| RIN2 | 3 | I | RS232 line data input (from remote RS232 system) |
| ROUT2 | 4 | O | Logic data output (to UART) |
| DIN1 | 5 | I | Logic data input (from UART) |
| ROUT1 | 6 | O | Logic data output (to UART) |
| RIN1 | 7 | I | RS232 line data input (from remote RS232 system) |
| GRD | 8 | - | Ground |
| VCC | 9 | - | Supply Voltage, Connect to external 3V to 5.5V power supply |
| C1+ | 10 | - | Positive lead of C1 capacitor |
| V+ | 11 | O | Positive charge pump output for storage capacitor only |
| C1- | 12 | - | Negative lead of C1 capacitor |
| C2+ | 13 | - | Positive lead of C2 capacitor |
| C2- | 14 | - | Negative lead of C2 capacitor |
| V- | 15 | O | Negative charge pump output for storage capacitor only |
| RIN4 | 16 | I | RS232 line data input (from remote RS232 system) |
| ROUT4 | 17 | O | Logic data output (to UART) |
| DIN2 | 18 | I | Logic data input (from UART) |
| DIN3 | 19 | I | Logic data input (from UART) |
| DOUT4 | 20 | O | RS232 line data output (to remote RS232 system) |
| DIN4 | 21 | I | Logic data input (from UART) |
| ROUT3 | 22 | O | Logic data output (to UART) |
| RIN3 | 23 | I | RS232 line data input (from remote RS232 system) |
| DOUT3 | 24 | O | RS232 line data output (to remote RS232 system) |
| Thermal Pad | - | - | Exposed thermal pad. Can be connected to GND or left floating. |
(1) Signal Types: I = Input, O = Output, I/O = Input or Output.