Sharp XL-30H Service Manual page 46
Micro component system
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XL-30H/30W
IC701 RH-iX0027SJZZ: System Control Microcomputer (IX0027SJ) (2/2)
Terminal Name Input/Output
Pin No.
54
SEG46 P63/A3
55
SEG45 P64/A4
56*
SEG44 P65/A5
57*
SEG43 P66/A6
58
SEG42 P67/A7
59
SEG41 P70/A8
60
SEG40 P71/A9
61-64
SEG39 P72/A10- Input/Output
SEG36 P75/A13
65
SEG35 P76/A14
66
SEG34 P77/A15
67*
SEG33 P87/D7
68*
SEG32 P86/D6
69*-73*,
SEG31 P85/D5-
74
SEG26 P80/D0
75-93,
SEG25-SEG0
94*-99*,
100
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
COM3
1
O
COM2
2
O
COM1
O
3
COM0
O
4
VLC3
5
VLC2
6
VLC1
7
VDD
8
OSC2
O
9
OSC1
I
10
VSS
11
XI
12
I
XO
13
O
MMOD
I
14
VREF-
15
CLID_SW
I
16
KEY1
17
I
KEY2
18
I
MODEL
I
19
CLID_PRO
I
20
CD_CONF
I
21
TAPE_SW
22
I
VSM
23
I
VREF+
24
DI
O
25
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Output
Electric JOG dial UP.
Output
Electric JOG dial DOWN.
Output
Electric CD lid OPEN.
Output
Electric CD lid CLOSE.
Input
CD pickup position detection SW input. "L" = Innerst periphery
Output
Reset signal output for TC9462F
Output
ON/OFF output terminal of CD servo control IC. "H" = Servo ON, "L" = Servo stand-by
Data input/output terminal for TC9462F control.
Output
Data synchronous clock output for TC9462F.
Output
Chip enable terminal for TC9462F. "L" = BUS terminal active
—
LCD segment output.
—
LCD segment output.
—
LCD segment output
Note:
Since RH-******SJZZ, SEG0 of the LCD is connected by the 24-pin LCD to SEG7 of the
microcomputer output terminal, and connections are made up to the shift SEG26 in order.
—
LCD segment output
Note:
Since RH-******SJZZ, SEG0 of the LCD is connected by the 24-pin LCD to SEG7 of the
microcomputer output terminal, and connections are made up to the shift SEG26 in order.
Figure 46 BLOCK DIAGRAM OF IC
Function
– 46 –
S
75
SEG25
S
74
SEG26
S
73
SEG27
S
72
SEG28
S
71
SEG29
S
70
SEG30
S
69
SEG31
S
68
SEG32
S
67
SEG33
O
66
CCE
O
65
BUCK
I/O
64
BUS3
I/O
63
BUS2
I/O
62
BUS1
I/O
61
BUS0
O
60
CD_STB
O
59
CD_RES
I
58
PU-IN
O
57
CLID_DW
O
56
CLID_UP
O
55
MVOL_DW
O
54
MVOL_UP
O
53
MVOL_IND
52
O
51
B-LIGHT
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