The PB1176JZF-S provides five serial transceivers. All use 9-pin D-type male connectors except for UART3 (J28) that uses a standard 10-pin 2.54mm header connector.
Figure A.4 shows the D-type connector and Table A.4 shows the signal assignment for the D-type and header connectors. The pinout shown in Figure A.4 is configured as a Data Communications Equipment (DCE) device.
Table A.4. Serial plug signal assignment
| Pin | UART0 J26A (top) | UART1 J26B (bottom) | UART2 J27A (top) | UART3 J28 (10-pin header) | UART4 J27B (bottom) |
|---|---|---|---|---|---|
| 1 | SER0_DCD | NC | NC | NC | NC |
| 2 | SER0_RX | SER1_RX | SER2_RX | SER3_DSR | SER4_RX |
| 3 | SER0_TX | SER1_TX | SER2_TX | SER3_RX | SER4_TX |
| 4 | SER0_DTR | SER1_DTR[a] | SER2_DTRa | SER3_RTSa | SER4_DTR |
| 5 | SER0_GND | SER1_GND | SER2_GND | SER3_TX | SER4_GND |
| 6 | SER0_DSR | SER1_DSR | SER2_DSR | SER3_CTS | SER4_DSR |
| 7 | SER0_RTS | SER1_RTSa | SER2_RTSa | SER3_DTRa | SER4_RTS |
| 8 | SER0_CTS | SER1_CTS | SER2_CTS | NC | SER4_CTS |
| 9 | SER0_RI | NC | NC | GND | NC |
| 10 | - | - | - | NC | - |
[a] The signals SER1_DTR, SER2_DTR, and SER3_DTR are connected to the corresponding SER1_DSR, SER2_DSR, and SER3_DSR signals. These signals cannot be set or read under program control. | |||||
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