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20
Chapter 2 Hardware Installation
Chapter 2
Debug Connectors
The JTAG and debug connectors are used for debugging purposes.
JTAG
Debug
Pin Pin Name
1
3.3V
2
UART5_RX
3
UART5_TX
4
GND
Battery
The lithium ion battery powers the real-time clock. It is an auxiliary source of power when the
main power is shut off.
Safety Measures
• Danger of explosion if battery incorrectly replaced.
• Replace only with the same or equivalent type recommended by the manufacturer.
• Dispose of used batteries according to local ordinance
.
Battery
Connector
1
+3.3V
GND
2
Connect to the
battery connector
Battery
1
4
Pin Pin Name
Pin
Pin Name
1
3.3V
2
JTAG _TMS
3
GND
4
JTAG_TCK
5
GND
6
JTAG_TDO
7
JTAG_MOD
8
JTAG_TDI
9
JTAG_nTRST
10
JTAG_nRESET
Debug Connector
JTAG Connector
1
2
9
10