APPENDIX
WMP-248/249 User’s manual
41
J14
– Resistor Touch Panel Interface
1
9
Pin #
Signal Description
8-wire
4-wire
5-wire
1
UL(X+)
UL(X+)
UL(X+)
2
UR(Y+)
UR(Y+)
UR(Y+)
3
N/A
N/A
PROBE
4
LR(X-)
LR(X-)
LR(X-)
5
LL(Y-)
LL(Y-)
LL(Y-)
6
X+_DRIVE
N/A
N/A
7
Y+_DRIVE
N/A
N/A
8
X-_DRIVE
N/A
N/A
9
Y-_DRIVE
N/A
N/A
J16
– Battery Socket
Pin #
Signal Description
1
RTC +3.3V
2
GND
J17
– EC JTAG
Pin #
Signal Description
Pin #
Signal Description
1
EC_TRST#
2
+3.3V
SB
3
EC_TMS
4
EC_RDY#
5
EC_TDI
6
GND
7
EC_TCK
8
GND
9
EC_TDO
10
GND