Read Sharp XE-A113 (serv.man3) Service Manual online
XE-A113 (V)
HARDWARE DESCRIPTION
– 8 –
P64
34
P64
(NU)
O
H
Out L
UNUSED
P65
33
P65
(NU)
O
H
Out L
UNUSED
P66
32
P66
RXDPRG
I
-
In
RX DPRG
P67
31
P67
TXDPRG
I
-
In
TX DPRG
P70
30
TXD2
DAT
O
L
Out L
PRINTER DATA OUT
P71
29
P71
(NU)
O
L
Out L
UNUSED
P72
28
CLK2
CLK
O
L
Out L
PRINTER CLOCK
P73
27
P73
(NU)
O
L
Out L
UNUSED
P74
26
P74
P74
I
-
In
FIXED TO L
P75
25
P75
P75
I
-
In
FIXED TO L
P76
24
P76
/RES_USB
O
L
Out L
UNUSED
P77
23
P77
/EPM CTRL
O
H
Out L
/EPM CONTROL SIGNAL WHEN IPL
P80
22
P80
BUZZER
O
L
Out L
BUZZER
P81
21
P81
MOTOR
O
L
Out L
PAPER TAKE UP MOTOR
P82
20
/INT0
POFF
I
-
In
POWER INTERRUPT
P83
19
/INT1
(NU)
O
-
Out L
UNUSED
P84
18
/INT2
(NU)
O
-
Out L
UNUSED
P85
17
/NMI
(NU)
I
-
In
UNUSED
P86
11
XCOUT
XCOUT
I
-
In
32.768kHz
P87
10
XCIN
XCIN
I
-
In
32.768kHz
P90
7
P90
P90
I
-
In
KEY IN
P91
6
P91
P91
I
-
In
KEY IN
P92
5
P92
P92
I
-
In
KEY IN
P93
4
P93
P93
I
-
In
KEY IN
P94
3
P94
P94
I
-
In
KEY IN
P95
2
P95
P95
I
-
In
KEY IN
P96
1
P96
P96
I
-
In
KEY IN
P97
100
P97
P97
I
-
In
KEY IN
P100
97
AN0
P100
I
-
In
HEAD TEMPERATURE MONITOR
P101
95
AN1
P101
I
-
In
HEAD VOLTAGE MONITOR
P102
94
P102
/STB2
O
H
In
PRINTER/STB2
P103
93
AN3
VBAT
I
-
In
BATTERY VOLTAGE
P104
92
P104
(NU)
O
L
Out L
UNUSED
P105
91
P105
VPON
O
L
Out L
PRINTER HEAD POWER
P106
90
P106
/LAT
O
H
Out L
PRINTER DATA LATCH
P107
89
P107
/STB1
O
H
In
PRINTER/STB1
BYTE
8
BYTE
I
-
In
CONNECTED TO VDD
CNVss
9
CNVss
I
-
In
NOMAL: L / BOOT: H
/RESET
12
/RESET
I
-
In
RESET
Xout
13
Xout
O
Out
CLOCK
Vss
14
Vss
power
CONNECTED TO GND
Xin
15
Xin
I
In
CLOCK
Vcc
16
Vcc
power
CONNECTED TO VDD
Vcc
62
Vcc
power
CONNECTED TO VDD
Vss
64
Vss
power
CONNECTED TO GND
AVss
96
AVss
power
CONNECTED TO GND
Vref
98
Vref
ref
CONNECTED TO VDD
AVcc
99
AVcc
power
CONNECTED TO VDD
Port
Pin No.
Pin name
Signal name
I/O
Initial value
Off mode
Function
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