Acrosser AR-B8172 User 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
13