Yamaha RS7000 Ver.1.2, Service Manual

Page: 28 / 97

RS7000
28
PIN
NO.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
I/O
O
O
O
O
O
O
O
O
-
I
-
-
I
I
I
I
I
O
I
I
-
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
O
VA5
VA4
VA3
VA2
VA1
VA0
/VWR
/VCE
/VRD
/RES
NC
NC
/RD
/WR
SEL2
SEL1
OSC1
OSC2
/CS
A0
Vdd
D0
D1
D2
D3
D4
D5
D6
D7
XD3
NAME
VRAM address bus
VRAM read/write
Memory control
Not used
Initial clear
Not used
Not used
Read strobe
Write strobe
Bus select
Bus select
Clock
Clock
Chip select
Data mode select
Power supply
Data bus
Data bus output for 4 bit dot
FUNCTION
PIN
NO.
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
I/O
O
O
O
O
O
-
O
O
O
O
O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
O
O
O
O
O
O
O
O
O
O
-
XD2
XD1
XD0
XECL
XSCL
Vss
LP
WF
YDIS
YD
YSCL
VD7
VD6
VD5
VD4
VD3
VD2
VD1
VD0
VA15
VA14
VA13
VA12
VA11
VA10
VA9
VA8
VA7
VA6
NC
NAME
Data bus output for 4 bit dot
S driver enable, chain clock
Data bus shift clock
Ground
X driver latch pulse
Frame signal for X/Y driver
Power down signal for displaying off mode
Scan start signal
Scan shift clock
VRAM data bus
VRAM address bus
Not used
FUNCTION
SED1335F0B (XQ595A00) LCDC (LCD Controller)
DM: IC054
PIN
NO.
I/O FUNCTION NAME
PIN
NO.
I/O FUNCTION NAME
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44 I/O/GCK3
I/O
I/O
GND
I/O
I/O
I/O
I/O
TDI
TMS
TCK
I/O
I/O
I/O
V
CCINT
5V
I/O
GND
I/O
I/O
I/O
I/O
I/O
I/O
TDO
GND
V
CCIO
3.3V/5V
I/O
I/O
I/O
I/O
I/O
I/O
I/O/GSR
I/O/GTS2
V
CCINT
5V
I/O/GTS1
I/O
I/O
I/O
I/O
I/O
I/O
I/O/GCK1
I/O/GCK2
I/O
I/O
I/O
-
I/O
I/O
I/O
I/O
-
-
-
I/O
I/O
I/O
-
I/O
-
I/O
I/O
I/O
I/O
I/O
I/O
-
-
-
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
-
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
Global
Input/Output
Ground
Input/Output
JTAG port
Input/Output
Power 5V
Input/Output
Ground
Input/Output
Input/Output
JTAG port
Ground
Power 3.3V/+5V
Input/Output
Global
Power 5V
Global
Input/Output
Global
XC9536-10VQ44C (XY110A00) CPLD
DM: IC071