Sharp XE-A113 (serv.man3) Service Manual ▷ View online
XE-A113 (V)
HARDWARE DESCRIPTION
– 7 –
3. CPU PORT
Port
Pin No.
Pin name
Signal name
I/O
Initial value
Off mode
Function
P00
88
D0
D0
I/O
H
Out L
DATE BUS D0
P01
87
D1
D1
I/O
H
Out L
DATE BUS D1
P02
86
D2
D2
I/O
H
Out L
DATE BUS D2
P03
85
D3
D3
I/O
H
Out L
DATE BUS D3
P04
84
D4
D4
I/O
H
Out L
DATE BUS D4
P05
83
D5
D5
I/O
H
Out L
DATE BUS D5
P06
82
D6
D6
I/O
H
Out L
DATE BUS D6
P07
81
D7
D7
I/O
H
Out L
DATE BUS D7
P10
80
P10
KST0
O
L
In
KEY DISPLAY (4 TO 16)
P11
79
P11
KST1
O
L
In
KEY DISPLAY (4 TO 16)
P12
78
P12
KST2
O
L
In
KEY DISPLAY (4 TO 16)
P13
77
P13
KST3
O
L
In
KEY DISPLAY (4 TO 16)
P14
76
P14
IN2
O
L
Out L
PAPER FEED MOTOR
P15
75
P15
IN1
O
L
Out L
PAPER FEED MOTOR
P16
74
P16
ENA2
O
L
Out L
PAPER FEED MOTOR
P17
73
P17
ENA1
O
L
Out L
PAPER FEED MOTOR
P20
72
A0
A0
O
H
Out L
ADDRESS BUS A0
P21
71
A1
A1
O
H
Out L
ADDRESS BUS A1
P22
70
A2
A2
O
H
Out L
ADDRESS BUS A2
P23
69
A3
A3
O
H
Out L
ADDRESS BUS A3
P24
68
A4
A4
O
H
Out L
ADDRESS BUS A4
P25
67
A5
A5
O
H
Out L
ADDRESS BUS A5
P26
66
A6
A6
O
H
Out L
ADDRESS BUS A6
P27
65
A7
A7
O
H
Out L
ADDRESS BUS A7
P30
63
A8
A8
O
H
Out L
ADDRESS BUS A8
P31
61
A9
A9
O
H
Out L
ADDRESS BUS A9
P32
60
A10
A10
O
H
Out L
ADDRESS BUS A10
P33
59
A11
A11
O
H
Out L
ADDRESS BUS A11
P34
58
A12
A12
O
H
Out L
ADDRESS BUS A12
P35
57
A13
A13
O
H
Out L
ADDRESS BUS A13
P36
56
A14
A14
O
H
Out L
ADDRESS BUS A14
P37
55
A15
A15
O
H
Out L
ADDRESS BUS A15
P40
54
A16
A16
O
H
Out L
ADDRESS BUS A16
P41
53
A17
A17
O
H
Out L
ADDRESS BUS A17
P42
52
A18
A18
O
H
Out L
ADDRESS BUS A18
P43
51
A19
A19
O
H
Out L
ADDRESS BUS A19
P44
50
/CS0
/CS0
O
H
Out L
SEGMENT LATCH
P45
49
/CS1
(NU)
O
H
Out L
UNUSED
P46
48
/CS2
/CS2
O
H
Out H
SRAM
P47
47
/CS3
(NU)
O
L
Out L
UNUSED
P50
46
/WR
/WR
O
H
Out L
WRITE STROBE SIGNAL
P51
45
/BHE
(NU)
O
L
Out L
UNUSED
P52
44
/RD
/RD
O
H
Out L
READ STROBE SIGNAL
P53
43
BCLK
(NU)
O
L
Out L
UNUSED
P54
42
/HLDA
(NU)
O
L
Out L
UNUSED
P55
41
/HOLD
/EMP
I
-
In
P56
40
ALE
(NU)
O
L
Out L
UNUSED
P57
39
/RDY
/RDY
I
-
In
VCC PULLUP
P60
38
P60
DR1
O
L
Out L
DRAWER DRIVE SIGNAL
P61
37
P61
(NU)
O
H
Out L
UNUSED
P62
36
P62
(NU)
O
-
Out L
UNUSED
P63
35
P63
(NU)
O
H
Out L
UNUSED
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
XE-A113 (V)
HARDWARE DESCRIPTION
– 9 –
4. PRINTER CONTROL
4-1. STEPPING MOTOR CONTROL
The two-phase bi-polar stepping motor is driven at a constant voltage.
1step : 0.087mm, 1dot : 2step
1step : 0.087mm, 1dot : 2step
<CPU PORT>
<DRIVE STEP>
4-2. HEAD CONTROL
HEAD : All 288dot, Width 0.167mm/dot (6dot/mm)
<CPU PORT>
4-3. PAPER TAKE UP MOTOR CONTROL
<CPU PORT>
4-4. OUT OF PAPER DETECTION
<CPU PORT>
4-5. PLATEN OPEN (HEAD UP DETECTION)
<CPU PORT>
5. A/D CONVERSION
The following three signals are inputted to the A/D conversion port.
<CPU PORT>
5-1. PRINTER HEAD TEMPERATURE MONITOR
The voltage divided by the thermistor for detecting the printer head tem-
perature and the resistor is inputted to the AN0 pin.
perature and the resistor is inputted to the AN0 pin.
5-2. PRINTER HEAD VOLTAGE MONITOR
The voltage supplied by the printer head power and passed through the
printer and divided by the resistor is inputted to the AN1 pin.
The printable voltage range for the printer is 140~252 in A/D conversion
value.
value.
5-3. BATTERY VOLTAGE MONITOR
The voltage of VDD is inputted to AN3 pin. For an A/D value of 189
(3.69V) or less, it is judged as LOW BATTERY. For 174 (3.40V) or less,
it is judged as NO BATTERY.
6. KEY/DISPLAY
The front display is of 10 digits of LED, and the POPUP display is of 7
digits of LED.
digits of LED.
<KEY/DISPLAY COMPOSITION>
Pin No.
CPU port
Use signal
Function
76
P14
IN2
Paper feed motor (IN2)
75
P15
IN1
Paper feed motor (IN1)
74
P16
ENA2
Paper feed motor (ENA2)
73
P17
ENA1
Paper feed motor (ENA1)
Driver IC input (CPU output)
Motor drive signal
STEP
IN1
IN2
ENA1 ENA2
A
(OUT1)
B
(OUT3)
/A
(OUT2)
/B
(OUT4)
1
L
L
H
H
H
H
L
L
2
H
L
H
H
L
H
H
L
3
H
H
H
H
L
L
H
H
4
L
H
H
H
H
L
L
H
Pin No.
CPU port
Use signal
Function
89
P107
STRB1#
Printer STB1#
94
P102
STRB2#
Printer STB2#
30
P70
DAT
Printer print data
28
P72
PCLK
Printer forwarding clock
90
P106
LATCH#
Printer data latch
91
P105
VPON
Printer head motor power
Pin No.
Port
Use signal
Function
21
P81
MOTOR
Printer paper take up motor
Pin No.
Port
Strobe signal
Function
6
P91
/S4
Printer out of paper detection
(It reads according to the timing of /S4)
(It reads according to the timing of /S4)
Pin No.
Port
Strobe signal
Function
6
P91
/S3
Platen open detection
(It reads according to the timing of /S3)
(It reads according to the timing of /S3)
Pin
No.
No.
Port
Use
signal
Function
97
AN0/P100
TM
Printer head temperature monitor
95
AN1/P101
VPTEST Printer head voltage monitor
93
AN3/P103
VBAT
Battery voltage monitor
Head
temperature
A/D conversion
value (DEC)
Operation
Less than
−
10°C
929~1023
Motor lock
−
10°C ~
Less than 0°C
869~928
Print in the conduction time at 0°C.
0°C ~
Less than 70°C
Less than 70°C
232~868
Print in the conduction time speci-
fied on the MT-T53II specifications.
fied on the MT-T53II specifications.
70°C or above
0~231
Motor lock
FRONT:
POP UP:
ST0#
㨪
ST9#
HC138
KS0
㨪
KS3
Front Display
10 segment
POPUP Display
㧣 segment
Keyboard / MODE SW
MATRIX
ST0#
㨪
ST9#
HC374
D0
㨪D7
a
㨪g, dp
P90
㨪P97
CPU
/CS0 30000h
XE-A113 (V)
HARDWARE DESCRIPTION
– 10 –
6-1. LED DIGIT SIGNAL
The above /S0~/S9 are considered as LED DIGIT signals.
S0#: First digit~S9#: 10th digit (For the POPUP side, ST0~ST6 are used.)
6-2. LED SEGMENT SIGNAL
By writing the segment data to 30000h, the LED segment signal can be
outputted.
outputted.
Data~Segment correspondence
6-3. CPU PORT AND REGISTER
<POPUP DISPLAY-RELATED RESISTER>
<LED SEGMENT SIGNAL WRITE>
<CPU PORT>
Strobe signals of /S0~/S9 are made by using SN74HC138 from KST0~KST3
signals.
<OTHERS CPU PORT>
7. POWER
8.
DRAWER
The XE-A113 is provided with 1CH of a drawer port.
* The drawer solenoid drive time is as follow: 55ms (max) 50ms (min)
D0~D6
3 a~g
D7
3 DP
Function
Address
R/W
LED Segment Signal
30000h
W
Address
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
30000h
dp
g
f
e
d
c
b
a
Pin No.
Port
Use signal
Function
80
P10
KST0
Key strobe signal 0
79
P11
KST1
Key strobe signal 1
78
P12
KST2
Key strobe signal 2
77
P13
KST3
Key strobe signal 3
ST0 ST1 ST2
ST3
ST4
ST5 ST6 ST7 ST8 ST9
MODE P90 SRV PGM
Time
REG MGR X1/
Z1
X2/
Z2
P91
PF
HEAD
UP
Out of
paper
VO 24V
(DRAWER)
(DRAWER)
VDD 5.0V
VCC 5.0V
Battery
POFF# detect
point
point
TRANS.
PQ1CG203
PQ1CG203
LM2574
+ Tr
.
VP 8V
PRINTER head
PRINTER head
Motor
ON/OFF Control
(MODE SW
(MODE SW
POFF#
VPON)
ON/OFF Control
(MODE SW)
Measures should be taken to restore within
10 ms after a power failure occurs.
10 ms after a power failure occurs.
VLED 5.7V
BA033
VCC
3.3V
3.3V
Pin No.
Port
Use signal
Function
38
P60
DR1
Drawer drive signal
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