Venice Single Board Computer Operating Manual
Pin
Signal
1
Switch Input
2
Ground
Pushbutton Connector
JTAG Programming and Serial Console (SOM J4)
The JTAG programming port and serial console port are both available through a single
10-pin header in a 2x5 configuration with 0.05-inch pin spacing. The mating cable is a
Samtec FFSD series, or equivalent. For example the FFSD-05-S-05.00-01-N is a 5-inch
ribbon cable with a mating connector on one end.
The primary purpose for the JTAG Port is for automated factory testing and to facilitate
downloading the application program into Flash memory. This feature requires the
GW16099 USB JTAG Programmer. The JTAG programming port also includes the CPU
UART[2] interface in a logic-level configuration. This serial port facilitates an operator
console though the USB JTAG Programmer. See ordering options for more information.
Refer to Section 3 for USB JTAG Programmer instructions.
Pin
Signal
Pin
Signal
1
JTAG TRST
2
3.3V
3
JTAG TDI
4
Ground
5
JTAG TMS
6
UART[2]:TXD (logic level)
7
JTAG TCK
8
UART[2]:RXD (logic level)
9
JTAG TDO
10
System Reset
JTAG Programming Port and Serial Console Connector
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