Difference between revisions of "Fitlet3: COM + GPIO connector pinout"

Revision as of 06:09, 10 April 2023

Pin Number	RS232+GPIO	RS485 Half duplex +GPIO	RS485 Full Duplex +GPIO
1	Power In	Power In	Power In
2	GPO (output)	GPO (output)	GPO (output)
3	GPO (output)	GPO (output)	GPO (output)
4	GPI (Input)	GPI (Input)	GPI (Input)
5	GPI (Input)	GPI (Input)	GPI (Input)
6	TXD	Data-	TX-
7	RXD		RX+
8	CTS		RX-
9	RTS	Data+	TX+
10	GND	GND	GND

The COM port connector contains: Serial communication (RS232, RS485 Half duplex, and RS485 Full duplex). GPIO (2 Input and 2 Output).

Serial communication pinout:

Pin Number	RS232	RS485 Half duplex	RS485 Full Duplex
6	TX	TXN/RXN	TXN
7	RX	-	RXP
8	CTS#	-	RXN
9	RTS#	TXP/RXP	TXP

GPIO pinout:

Actual connector's pinout:

@@ Line 1: / Line 1: @@
-=== COM + GPIO connector pinout ===
+=== General COM + GPIO connector pinout ===
 {| class="wikitable" border="1"
 |-
@@ Line 57: / Line 57: @@
 | GND
 |}
+The COM port connector contains:
+Serial communication (RS232, RS485 Half duplex, and RS485 Full duplex).
+GPIO (2 Input and 2 Output).
+'''Serial communication pinout:'''
+{| class="wikitable" border="1"
+|-
+! Pin Number
+! RS232
+! RS485 Half duplex
+! RS485 Full Duplex
+|-
+| 6
+| TX
+| TXN/RXN
+| TXN
+|-
+| 7
+| RX
+| -
+| RXP
+|-
+| 8
+| CTS#
+| -
+| RXN
+|-
+| 9
+| RTS#
+| TXP/RXP
+| TXP
+|-
+|}
+'''GPIO pinout:'''
+{| class="wikitable" border="1"
+|-
+! Pin Number
+! GPIO
+|-
+| 1
+| VCC
+|-
+| 2
+| GPO 0
+|-
+| 3
+| GPO 1
+|-
+| 4
+| GPI 0
+|-
+| 5
+| GPI 1
+|-
+| 10
+| GND
+|}
+* The GPIO requires an external VCC to function. (up to 24V)
+* The GPIO feature needs the newest FPGA version.
@@ Line 64: / Line 126: @@
 [[File:Fitlet3 COM pinout.png|thumbnail|left]]
+[[File:GPIO_COM_CONNECTOR.png|thumbnail|left]]