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Evaluation Kit Hardware
4-22
SAM4S-EK Development Board User Guide
11139A–ATARM–29-Nov-11
4.5
Connectors
4.5.1
Power Supply Connector J9
The SAM4S-EK evaluation board can be powered from a 5VDC power supply connected to the external
power supply jack J9. The positive pole is the center pin.
Figure 4-25.
Power Supply Connector J9
4.5.2
USART Connector J5 With RTS/CTS Handshake Support
Figure 4-26.
Male RS232/USART Connector J5
D1
Optional ESD protection for LCD touch panel
R61, R63, RA2, RA3
Optional data bus termination for LCD controller
JP4
Test mode selection for the SAM chip
J2
Optional QFP socket for the SAM4 chip
K1
Virtual component for QTouch keys set - implemented as copper areas
S1
Virtual component for QTouch slider set - implemented as copper areas
TPxx
Surface-mounted test points (copper area)
Table 4-9.
Default Not Populated Parts
Reference
Function
Table 4-10.
Power Supply Connector J9 Signal Descriptions
Pin
Mnemonic
Signal Description
1
Center
+5vcc
2
Gnd
Ground reference