Acrosser AR-B8172 - Manual (Page 13)

AR-B8172 User Manual
2.7 RST_BTN1
System reset button (2.54mm 1×2PIN connector ) 2.8 PWR1
AT power input
RST_BTN1 FUNCTION
SHORT RESET
OPEN NORMAL
PIN SIGNAL
1 +12V
2 GND
3 GND
4 +5V
2.9 SW4
SRAM address selection switch 2.10-11 CN1/CN2
USB 0/1 & 3/4 connector
PIN FUCT FUCTI ION PIN ON
1 SRAMSEG EL0 LD_ADR2 _S 5 CP
2 SRAMSEG EL1 LD_ADR3 _S 6 CP
3 CPLD_A 0 DR 7 ENA_SRAM
4 CPLD_A 1 Reserve DR 8
PIN SIGNAL PIN SIGNAL
1 +5V 2 +5V
3 D0- 4 D1-
5 D0+ 6 D1+
7 GND 8 GND
9 GND 10 GND
2.12 CN4
External buzzer connector (signal shared from
BZ1) 2.13 JP2
Clear CMOS data
PIN FUNCTION
1 VCC
2 BZ-
3 BZ-
JUMPE FUNCT R ION
1-2
(defau
NORM
lt)
AL
2-3 Clea r CMOS
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