Reference Only
Version ： 1.2
Date：2010/08/05
TCU981B 8 Bits TV game system
General Description：
TCU981B is a single chip microprocessor for use in TV game. It is composed of CPU(6502),
PPU(picture processor unit), PSG(programmable sound generator), 2KB working RAM, 2KB
video RAM, DMA unit, and other control circuit.
The IC apply to display variable animated cartoon. In background picture, it supply 2-page
size in the screen; In sprite picture, it also supply 64 sprites per frame. Besides, the X and Y
coordinate positions is programmable to display the actual area (Resolution : 256 x 240 pixels).
The IC apply to multi-mix sound output. It with 5 channels programmable sound generator,
include 3 rhythm channels, 1 noise channel, and 1 PCM voice channel.
The IC apply to following TV system : include PAL-B , NTSC , PAL-M , and PAL-N. System
select by bonding option.
The IC apply to following interface product : include keyboard, joystick, mouse, light gun, etc.
Features：
◆
◆
◆
◆
◆
◆
◆
◆
◆
◆
◆
◆
8 Bits single chip TV game system.
Built-in 6502 CPU.
Built-in PPU(picture processor unit).
Built-in PSG(programmable sound generator).
Built-in RAM: Working RAM(2K Bytes) & Video RAM(2K Bytes).
Built-in DMA unit.
Apply to many kind TV system(PAL-B, NTSC, PAL-M, PAL-N)
TV system can select by bonding option.
5 sound channels(3 rhythm, 1 noise, and 1 voice).
Few external components needed.
Simple application circuit.
Low power consumption.
Block Diagram：
OPTION
DMA
CK21M CK21B
OP1
VIDEO
TIMING
GENERATOR
AUDIO
AMP
OUTPUT
VIDEO
OUTPUT
DECODER
PSG
PROCESSOR
PPU
D[7:0]
RWB
ROMS
CPU
6502
PRA10
RC
AD[12:8]
VA[7:0]
VOE
VRW
AD[7:0]
A[14:0]
WORKING
RAM
IRQ
CONTROLLER
PERIPHERAL
INTERFACE
TO JOYSTICK
IRQB
1
VIDEO
RAM
Reference Only
Version ： 1.2
Pad / Pin Description：
PAD No. PAD Name I/O
1
VRW
O
2
VOE
O
3
PRA10
I
4
VA6
O
5
VA7
O
6
VA5
O
7
AD8
O
8
VA4
O
9
AD9
O
10
VA3
O
11
VSS
P
12
AD10
O
13
VA2
O
14
AD11
O
15
VA1
O
16
AD12
O
17
VA0
O
18
RC
O
19
AD0
I/O
20
AD7
I/O
21
AD1
I/O
22
AD6
I/O
23
AD2
I/O
24
AD5
I/O
25
AD3
I/O
26
AD4
I/O
27
CK21B
O
28
CK21M
I
29
VDD
P
30
VIDEO
O
31
OP1
O
32
PORN
I
33
F50R6
I
34
VSS
P
35
VSS
P
36
RESTB
I
37
D046
I
38
D047
I
39
D147
I
40
CUP46
O
41
D247
I
42
D146
I
43
D347
I
Date：2010/08/05
DESCRIPTION
Read/Write control signal of PPU memory
Data read-out enable control signal of PPU memory
Address BUS of PPU ; MSB of VRAM address
Address BUS of PPU(picture process unit)
Address BUS of PPU(picture process unit)
Address BUS of PPU(picture process unit)
Address BUS of PPU(picture process unit)
Address BUS of PPU(picture process unit)
Address BUS of PPU(picture process unit)
Address BUS of PPU(picture process unit)
VSS power pin
Address BUS of PPU(picture process unit)
Address BUS of PPU(picture process unit)
Address BUS of PPU(picture process unit)
Address BUS of PPU(picture process unit)
Address BUS of PPU(picture process unit)
Address BUS of PPU(picture process unit)
Address BUS of PPU(picture process unit)
Data BUS of PPU(picture process unit)
Data BUS of PPU(picture process unit)
Data BUS of PPU(picture process unit)
Data BUS of PPU(picture process unit)
Data BUS of PPU(picture process unit)
Data BUS of PPU(picture process unit)
Data BUS of PPU(picture process unit)
Data BUS of PPU(picture process unit)
System clock output , to crystal oscillator
System clock input , to crystal oscillator
VDD power pin
Video signal output
Audio AMP output (only for test)
TV system select (PAL/NTSC)
TV system select (50Hz/60Hz)
VSS power pin
VSS power pin
System reset input , “0” = Reset ; “1” (NC)= Normal
Port $4016 input pin ( bit 0 ) , connect to Joystick
Port $4017 input pin ( bit 0 ) , connect to Joystick
Port $4017 input pin ( bit 1 ) , connect to Joystick
Port $4016 output CLK pin , connect to Joystick
Port $4017 input pin ( bit 2 ) , connect to Joystick
Port $4016 input pin ( bit 1 ) , connect to Joystick
Port $4017 input pin ( bit 3 ) , connect to Joystick
2
Reference Only
Version ： 1.2
Date：2010/08/05
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
Q0
D447
Q1
Q2
CUP47
VDD
VDD
A11
CK18
A10
A12
A9
A13
A8
A14
TESTB
A7
D7
A6
D6
A5
D5
A4
D4
A3
D3
A2
D2
A1
D1
A0
D0
VDD
RWB
ROMS
IRQB
VSS
O
I
O
O
O
P
P
O
O
O
O
O
O
O
O
I
O
I/O
O
I/O
O
I/O
O
I/O
O
I/O
O
I/O
O
I/O
O
I/O
P
O
O
I
P
Port $4016 output pin ( bit 0 ) , connect to Joystick
Port $4017 input pin ( bit 4 ) , connect to Joystick
Port $4016 output pin ( bit 1 ) , connect to Joystick
Port $4016 output pin ( bit 2 ) , connect to Joystick
Port $4017 output CLK pin , connect to Joystick
VDD power pin
VDD power pin
Address BUS of CPU
Ø2 single of CPU (clock output)
Address BUS of CPU
Address BUS of CPU
Address BUS of CPU
Address BUS of CPU
Address BUS of CPU
Address BUS of CPU
Test mode control pin , ‘0” = Test mode , “1” (NC) = Normal
Address BUS of CPU
Data BUS of CPU
Address BUS of CPU
Data BUS of CPU
Address BUS of CPU
Data BUS of CPU
Address BUS of CPU
Data BUS of CPU
Address BUS of CPU
Data BUS of CPU
Address BUS of CPU
Data BUS of CPU
Address BUS of CPU
Data BUS of CPU
Address BUS of CPU
Data BUS of CPU
VDD power pin
Read/Write control signal of CPU
Program ROM chip enable control signal
Interrupt signal input of CPU
VSS power pin
3
Reference Only
Version ： 1.2
PAD’s Diagram：
Date：2010/08/05
4
Reference Only
Version ： 1.2
PAD’s Coordinate:
PAD 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
31
32
33
34
35
36
37
38
39
40
PAD NAME
VRW
VOE
PRA10
VA6
VA7
VA5
AD8
VA4
AD9
VA3
VSS
AD10
VA2
AD11
VA1
AD12
VA0
RC
AD0
AD7
AD1
AD6
AD2
AD5
AD3
AD4
CK21B
CK21M
VDD
VIDEO
OP1
PORN
F50R6
VSS
VSS
RESTB
D046
D047
D147
CUP46
X
-1367.50
-1367.50
-1367.50
-1367.50
-1367.50
-1367.50
-1367.50
-1367.50
-1367.50
-1367.50
-1367.50
-1367.50
-1367.50
-1367.50
-1367.50
-1367.50
-1367.50
-1367.50
-1209.45
-1092.45
-975.45
-858.45
-741.45
-624.45
-507.45
-390.45
-273.45
-156.45
-39.45
77.55
194.55
311.55
428.55
545.55
662.55
779.55
896.55
1013.55
1130.55
1247.55
Date：2010/08/05
Y
978.95
861.95
744.95
627.95
510.95
393.95
267.95
159.95
42.95
-74.05
-191.05
-308.05
-425.05
-542.05
-659.05
-776.05
-893.05
-1010.05
-1162.25
-1162.25
-1162.25
-1162.25
-1162.25
-1162.25
-1162.25
-1162.25
-1162.25
-1162.25
-1162.25
-1162.25
-1162.25
-1162.25
-1162.25
-1162.25
-1162.25
-1162.25
-1162.25
-1162.25
-1162.25
-1162.25
PAD NO
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
CHIP SIZE = 2930um x 2520um
5
PADNAME
D247
D146
D347
Q0
D447
Q1
Q2
CUP47
VDD
VDD
A11
CK18
A10
A12
A9
A13
A8
A14
TESTB
A7
D7
A6
D6
A5
D5
A4
D4
A3
D3
A2
D2
A1
D1
A0
D0
VDD
RWB
ROMS
IRQB
VSS
X
1367.50
1367.50
1367.50
1367.50
1367.50
1367.50
1367.50
1367.50
1367.50
1367.50
1367.50
1367.50
1367.50
1367.50
1367.50
1367.50
1367.50
1367.50
1267.60
1150.60
1033.60
916.60
799.60
682.60
565.60
448.60
331.60
214.60
97.60
-19.40
-136.40
-253.40
-370.40
-487.40
-604.40
-721.40
-838.40
-955.40
-1072.40
-1261.30
Y
-1021.65
-904.65
-787.65
-670.65
-553.65
-436.65
-319.65
-202.65
-85.65
43.55
160.55
277.55
394.55
511.55
628.55
745.55
862.55
979.55
1162.25
1162.25
1162.25
1162.25
1162.25
1162.25
1162.25
1162.25
1162.25
1162.25
1162.25
1162.25
1162.25
1162.25
1162.25
1162.25
1162.25
1162.25
1162.25
1162.25
1162.25
1162.25
Reference Only
Version ： 1.2
Date：2010/08/05
TCU981B APPLICATION (1)
AD0_AD7
D7_D0
VA0_VA12
RWB
VRW
ROMS
D0
D1
D2
D3
D4
D5
D6
D7
A14
A13
A12
CK18
VDD
AD3
AD2
AD1
AD0
VA0
VA1
VA2
VA3
VA4
VA5
VA6
PRA10
VOE
ROMS
IRQB
VSS 80
IRQB 79
ROMS 78
RWB 77
VDD 76
D0 75
A0 74
D1 73
A1 72
D2 71
A2 70
D3 69
A3 68
D4 67
A4 66
D5 65
A5 64
D6 63
A6 62
D7 61
A7 60
TESTB 59
D0
A0
D1
A1
D2
A2
D3
A3
D4
A4
D5
A5
D6
A6
D7
A7
30
VDD
29
AD3
28
AD2
27
AD1
26
AD0
25
VA0
24
VA1
23
VA2
22
VA3
21
VA4
20
VA5
19
VA6
18
PRA10
17
VOE
16
VSS
15
IRQB
14
RWB
13
A0
12
A1
11
A2
10
A3
9
A4
8
A5
7
A6
6
A7
5
A8
4
A9
3
A10
2
A11
1
VSS
AD4
AD5
AD6
AD7
RC
AD12
AD11
AD10
AD9
AD8
VA7
1 VRW
2 VOE
PRA10 3
PRA10
VA6 4
VA6
VA7 5
VA7
VA5 6
VA5
AD8 7
AD8
VA4 8
VA4
AD9 9
AD9
VA3 10
VA3
11 VSS
AD10 12
AD10
VA2 13
VA2
AD11 14
AD11
VA1 15
VA1
AD12 16
AD12
VA0 17
VA0
RC 18
RC
IRQB
RWB
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A14
A14 58
A8
A8 57
A13
56
A13
A9
A9 55
A12
A12 54
A10
53
A10
CK18
CK18 52
A11
A11 51
VDD 50
49
VDD
CUP47
CUP47 48
Q2 47
46
Q1
D447
D447 45
Q0
Q0 44
D347
D347 43
D146 42
41
D247
TCU981B
19 AD0
20 AD7
21 AD1
22 AD6
23 AD2
24 AD5
25 AD3
26 AD4
27 CK21B
28 CK21M
29 VDD
30 VIDEO
31 OP1
32 PORN
33 F50R6
34 VSS
35 VSS
36 RESTB
37 D046
38 D047
39 D147
40 CUP46
AD4 60
AD5 59
AD6 58
AD7 57
RC 56
AD1255
AD1154
AD1053
AD9 52
AD8 51
VA7 50
49
48
VRW47
46
45
ROMS 44
D0 43
D1 42
D2 41
D3 40
D4 39
D5 38
D6 37
D7 36
A14 35
A13 34
A12 33
CK1832
31
A14_A0
CONNECT TO
JOYSTICK 2
or LIGHTGUN
D347
5
9
D047
4
8
Q0
3
7
CUP47
2
6
D447
1
5
9
D046
4
8
Q0
3
7
U1
CUP46
CUP46
2
6
AD0
AD7
AD1
AD6
AD2
AD5
AD3
AD4
2** : C4 capacitor use 0.1uF (TCU981 : C4=1uF)
TV AUDIO port
CONNECT TO
RESTB
VIDEO
AUDIO
...........
C2
30PF
1
C3
100UF
JOYSTICK 1
C4
0.1UF
RESET
C1
120 30PF
RTV
R1
1MEG
...........
...........
<100 ohm
RTVA
................
TV VIDEO port
...............
............
..........
JP1
JP2
AD0_AD7
1** : RTV resister adjust TV screen brightness, can be not used
(RTV more small, then brightness more lightness)
D047
D046
VIDEO
............
AUDIO
9013 ON/OFF
(VDD)
NPN SWITCH
E Q1
+ C7
+ C6
5.6V - 100UF - 100UF
+ C8
ZD1
- 100UF
AC
110V/60Hz
AC ADAPTOR
9V
R6
2.2K
B
C
T V. STSTEM
PAL B
NTSC
PAL M
PAL N
CRYSTAL (MHZ) JP1(PORN) JP2(F50R6)
26.601712
OPEN
OPEN
21.477270
SHORT
SHORT
21.453669
OPEN
SHORT
21.492337
SHORT
OPEN
6
Reference Only
Version ： 1.2
Date：2010/08/05
TCU981B APPLICATION (2)
AD0_AD7
D7_D0
VA0_VA12
RWB
VRW
ROMS
D0
D1
D2
D3
D4
D5
D6
D7
A14
A13
A12
CK18
VDD
AD3
AD2
AD1
AD0
VA0
VA1
VA2
VA3
VA4
VA5
VA6
PRA10
VOE
D0
A0
D1
A1
D2
A2
D3
A3
D4
A4
D5
A5
D6
A6
D7
A7
ROMS
IRQB
VSS 80
IRQB 79
ROMS 78
RWB 77
VDD 76
D0 75
A0 74
D1 73
A1 72
D2 71
A2 70
D3 69
A3 68
D4 67
A4 66
D5 65
A5 64
D6 63
A6 62
D7 61
A7 60
TESTB 59
30
VDD
29
AD3
28
AD2
27
AD1
26
AD0
25
VA0
24
VA1
23
VA2
22
VA3
21
VA4
20
VA5
19
VA6
18
PRA10
17
VOE
16
VSS
15
IRQB
14
RWB
13
A0
12
A1
11
A2
10
A3
9
A4
8
A5
7
A6
6
A7
5
A8
4
A9
3
A10
2
A11
1
VSS
AD4
AD5
AD6
AD7
RC
AD12
AD11
AD10
AD9
AD8
VA7
1 VRW
2 VOE
PRA10 3
PRA10
VA6 4
VA6
VA7 5
VA7
VA5 6
VA5
AD8 7
AD8
VA4 8
VA4
AD9 9
AD9
VA3 10
VA3
11 VSS
AD10 12
AD10
VA2 13
VA2
AD11 14
AD11
VA1 15
VA1
AD12 16
AD12
VA0 17
VA0
RC 18
RC
IRQB
RWB
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A14
A14 58
A8
A8 57
A13
56
A13
A9
A9 55
A12
A12 54
A10
53
A10
CK18
CK18 52
A11
A11 51
VDD 50
49
VDD
CUP47
CUP47 48
Q2 47
46
Q1
D447
D447 45
Q0
Q0 44
D347
D347 43
D146 42
41
D247
TCU981B
19 AD0
20 AD7
21 AD1
22 AD6
23 AD2
24 AD5
25 AD3
26 AD4
27 CK21B
28 CK21M
29 VDD
30 VIDEO
31 OP1
32 PORN
33 F50R6
34 VSS
35 VSS
36 RESTB
37 D046
38 D047
39 D147
40 CUP46
AD4 60
AD5 59
AD6 58
AD7 57
RC 56
AD1255
AD1154
AD1053
AD9 52
AD8 51
VA7 50
49
48
VRW47
46
45
ROMS 44
D0 43
D1 42
D2 41
D3 40
D4 39
D5 38
D6 37
D7 36
A14 35
A13 34
A12 33
CK1832
31
A14_A0
CONNECT TO
JOYSTICK 2
or LIGHTGUN
D347
5
9
D047
4
8
Q0
3
7
CUP47
2
6
D447
1
5
9
D046
4
8
Q0
3
7
U1
CUP46
CUP46
2
6
220
RTV1
TV VIDEO port
C
RTV2
100
NPN
Q2 E
TV AUDIO port
B
VIDEO
C2
30PF
1
RESTB
CONNECT TO
C3
100UF
JOYSTICK 1
C4
0.1UF
RESET
C1
30PF
R1
1MEG
VIDEO
AUDIO
JP1
JP2
AD0
AD7
AD1
AD6
AD2
AD5
AD3
AD4
AD0_AD7
D047
D046
C4 capacitor use 0.1uF (TCU981 : C4=1uF)
2.2K
RTV3
AUDIO
9013 ON/OFF
(VDD)
NPN SWITCH
E Q1
+ C7
+ C6
5.6V - 100UF - 100UF
+ C8
ZD1
- 100UF
AC
110V/60Hz
AC ADAPTOR
9V
R6
2.2K
B
C
T V. STSTEM
PAL B
NTSC
PAL M
PAL N
CRYSTAL (MHZ) JP1(PORN) JP2(F50R6)
OPEN
26.601712
OPEN
SHORT
SHORT
21.477270
21.453669
OPEN
SHORT
21.492337
SHORT
OPEN
7
Reference Only
Version ： 1.2
Date：2010/08/05
TCU981B APPLICATION (1) (BUILT-IN)
RC_IN
ROMS_IN
CK18
CK18
RWB
IRQB
VOE
PRA10
D7_D0
AD0_AD7
VA0_VA12
ROMS
D0
D1
D2
D3
D4
D5
D6
D7
A14
A13
A12
CK18
VDD
AD3
AD2
AD1
AD0
VA0
VA1
VA2
VA3
VA4
VA5
VA6
PRA10
VOE
ROMS
1 VRW
VOE 2
VOE
PRA10 3
PRA10
VA6 4
VA6
VA7 5
VA7
VA5 6
VA5
AD8 7
AD8
VA4 8
VA4
AD9 9
AD9
VA3 10
VA3
11 VSS
AD10 12
AD10
VA2 13
VA2
AD11 14
AD11
VA1 15
VA1
AD12 16
AD12
VA0 17
VA0
RC 18
RC
IRQB
RWB
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A14_A0
ROMS
VRW
RC
ROMS
VRW
TCU981B
C
TV AUDIO port
C1
30PF
120
RTV
R1
1MEG
...........
<100 ohm
...........
...............
............
CRYSTAL (MHZ) JP1(PORN) JP2(F50R6)
26.601712
OPEN
OPEN
21.477270
SHORT
SHORT
21.453669
OPEN
SHORT
21.492337
OPEN
SHORT
..........
TV VIDEO port
RTVA
T V. STSTEM
PAL B
NTSC
PAL M
PAL N
9V
8
Q0
3
7
CUP472
6
D447 1
5
9
D046 4
8
Q0
U1
3
CUP462
6
................
AC ADAPTOR
R6
2.2K
AC
110V/60Hz
9
7
D047
D046
JP1
JP2
VIDEO
AUDIO
9013 ON/OFF
(VDD)
NPN SWITCH
E Q1
+
C7
+ C6
5.6V - 100UF - 100UF
+ C8
ZD1
- 100UF
D347 5
D047 4
CUP46
AD0_AD7
B
CONNECT TO
JOYSTICK 2
or LIGHTGUN
A14
A14 58
A8
A8 57
A13
A13 56
A9
A9 55
A12
A12 54
A10
53
A10
CK18
CK18 52
A11
A11 51
50
VDD
VDD 49
CUP47 48
Q2 47
Q1 46
D447 45
Q0 44
D347 43
D146 42
D247 41
C2
30PF
...........
C4
0.1UF
VIDEO
............
AUDIO
1** : RTV resister adjust TV screen brightness, can be not used
(RTV more small, then brightness more lightness)
2** : C4 capacitor use 0.1uF (TCU981 : C4=1uF)
8
1
C3
100UF
RESET
VRW
30
VDD
29
AD3
28
AD2
27
AD1
26
AD0
25
VA0
24
VA1
23
VA2
22
VA3
21
VA4
20
VA5
19
VA6
18
PRA10
17
VOE
16
VSS
15
IRQB
14
RWB
13
A0
12
A1
11
A2
10
A3
9
A4
8
A5
7
A6
6
A7
5
A8
4
A9
3
A10
2
A11
1
VSS
D0
A0
D1
A1
D2
A2
D3
A3
D4
A4
D5
A5
D6
A6
D7
A7
AD4
AD5
AD6
AD7
RC
AD12
AD11
AD10
AD9
AD8
VA7
VSS 80
IRQB 79
ROMS 78
RWB 77
VDD 76
D0 75
A0 74
D1 73
A1 72
D2 71
A2 70
D3 69
A3 68
D4 67
A4 66
D5 65
A5 64
D6 63
A6 62
D7 61
A7 60
TESTB 59
AD460
AD559
AD658
AD757
RC 56
AD12 55
AD11 54
AD10 53
AD9 52
AD8 51
VA7 50
49
RC_IN
48
VRW
47
46
ROMS_IN 45
ROMS
44
D0
43
D1
42
D2
41
D3
40
D4
39
D5
38
D6
37
D7
36
A14
35
A13
34
A12
33
CK18 32
31
RESTB
2K
RI3
BULIT-IN SLOT
30
AD4
VDD
29 AD3
AD5
AD3
28 AD2
AD6
AD2
27 AD1
AD7
AD1
26 AD0
RC
AD0 VA0
25
VA0 VA1
AD12
24
VA1 VA2
AD11
23
VA2 VA3
AD10
22
VA3 VA4
AD9
21
VA4 VA5
AD8
20
VA7
VA5 VA6 2K
19
RI2
VA6
18
PRA10
17
VRW
VOE
2K
16
VSS
RI1
15
IRQB
14
ROMS
RWB
A0
13
D0
A0
A1
12
D1
A1
A2
11
D2
A2
A3
10
D3
A3
A4
9
D4
A4
A5
8
D5
A5
A6
7
D6
A6
A7
6
D7
A7
A8
5
A14
A8
A9
4
A13
A9
A10
3
A12
A10
A11
2
CK18
A11
1
VDD
VSS
19 AD0
20 AD7
21 AD1
22 AD6
23 AD2
24 AD5
25 AD3
26 AD4
27 CK21B
28 CK21M
29 VDD
30 VIDEO
31 OP1
32 PORN
33 F50R6
34 VSS
35 VSS
36 RESTB
37 D046
38 D047
39 D147
40 CUP46
ROMS_IN
2K
RI4
60
59
58
57
56
AD1255
AD1154
AD1053
AD9 52
AD8 51
VA7 50
49
48
47
46
45
44
D0 43
D1 42
D2 41
D3 40
D4 39
D5 38
D6 37
D7 36
A14 35
A13 34
A12 33
CK18 32
31
AD0
AD7
AD1
AD6
AD2
AD5
AD3
AD4
RC_IN
AD4
AD5
AD6
AD7
RWB
IRQB
CONNECT TO
JOYSTICK 1
Reference Only
Version ： 1.2
Date：2010/08/05
TCU981B APPLICATION (2) (BUILT-IN)
RC_IN
ROMS_IN
CK18
CK18
RWB
IRQB
VOE
PRA10
D7_D0
AD0_AD7
VA0_VA12
ROMS
D0
D1
D2
D3
D4
D5
D6
D7
A14
A13
A12
CK18
VDD
AD3
AD2
AD1
AD0
VA0
VA1
VA2
VA3
VA4
VA5
VA6
PRA10
VOE
ROMS
1 VRW
VOE 2
VOE
PRA10 3
PRA10
VA6 4
VA6
VA7 5
VA7
VA5 6
VA5
AD8 7
AD8
VA4 8
VA4
AD9 9
AD9
VA3 10
VA3
11 VSS
AD10 12
AD10
VA2 13
VA2
AD11 14
AD11
VA1 15
VA1
AD12 16
AD12
VA0 17
VA0
RC 18
RC
IRQB
RWB
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A14_A0
ROMS
VRW
RC
ROMS
VRW
TCU981B
C1
30PF
220
RTV1
TV VIDEO port
C
RTV2
100
CRYSTAL (MHZ) JP1(PORN) JP2(F50R6)
26.601712
OPEN
OPEN
21.477270
SHORT
SHORT
21.453669
OPEN
SHORT
SHORT
21.492337
OPEN
3
7
CUP472
6
D447 1
5
9
D046 4
8
Q0
U1
3
CUP462
6
NPN
Q2 E
T V. STSTEM
PAL B
NTSC
PAL M
PAL N
8
Q0
D047
D046
JP1
JP2
VIDEO
AUDIO
ON/OFF
C 9013
(VDD)
B
NPN SWITCH
E Q1
+ C7
+ C6
5.6V - 100UF - 100UF
+ C8
ZD1
- 100UF
9
7
TV AUDIO port
B
R1
1MEG
9V
R6
2.2K
AC ADAPTOR
D347 5
D047 4
CUP46
AD0_AD7
AC
110V/60Hz
CONNECT TO
JOYSTICK 2
or LIGHTGUN
A14
A14 58
A8
A8 57
A13
56
A13
A9
A9 55
A12
A12 54
A10
53
A10
CK18
CK18 52
A11
A11 51
50
VDD
VDD 49
CUP47 48
Q2 47
Q1 46
D447 45
Q0 44
D347 43
D146 42
D247 41
C2
30PF
1
C3
100UF
CONNECT TO
JOYSTICK 1
C4
0.1UF
RESET
VRW
30
VDD
29
AD3
28
AD2
27
AD1
26
AD0
25
VA0
24
VA1
23
VA2
22
VA3
21
VA4
20
VA5
19
VA6
18
PRA10
17
VOE
16
VSS
15
IRQB
14
RWB
13
A0
12
A1
11
A2
10
A3
9
A4
8
A5
7
A6
6
A7
5
A8
4
A9
3
A10
2
A11
1
VSS
D0
A0
D1
A1
D2
A2
D3
A3
D4
A4
D5
A5
D6
A6
D7
A7
AD4
AD5
AD6
AD7
RC
AD12
AD11
AD10
AD9
AD8
VA7
VSS 80
IRQB 79
ROMS 78
RWB 77
VDD 76
D0 75
A0 74
D1 73
A1 72
D2 71
A2 70
D3 69
A3 68
D4 67
A4 66
D5 65
A5 64
D6 63
A6 62
D7 61
A7 60
TESTB 59
AD4 60
AD5 59
AD6 58
AD7 57
RC 56
AD12 55
AD11 54
AD10 53
AD9 52
AD8 51
VA7 50
49
RC_IN
48
VRW
47
46
ROMS_IN 45
ROMS
44
D0
43
D1
42
D2
41
D3
40
D4
39
D5
38
D6
37
D7
36
A14
35
A13
34
A12
33
CK18 32
31
RESTB
2K
RI3
BULIT-IN SLOT
30
AD4
VDD
29 AD3
AD5
AD3
28 AD2
AD6
AD2
27 AD1
AD7
AD1
26 AD0
RC
AD0 VA0
25
VA0 VA1
AD12
24
VA1 VA2
AD11
23
VA2 VA3
AD10
22
VA3 VA4
AD9
21
VA4 VA5
AD8
20
VA7
VA5 VA6 2K
19
RI2
VA6
18
PRA10
17
VRW
VOE
2K
16
VSS
RI1
15
IRQB
14
ROMS
RWB
A0
13
D0
A0
A1
12
D1
A1
A2
11
D2
A2
A3
10
D3
A3
A4
9
D4
A4
A5
8
D5
A5
A6
7
D6
A6
A7
6
D7
A7
A8
5
A14
A8
A9
4
A13
A9
A10
3
A12
A10
A11
2
CK18
A11
1
VDD
VSS
19 AD0
20 AD7
21 AD1
22 AD6
23 AD2
24 AD5
25 AD3
26 AD4
27 CK21B
28 CK21M
29 VDD
30 VIDEO
31 OP1
32 PORN
33 F50R6
34 VSS
35 VSS
36 RESTB
37 D046
38 D047
39 D147
40 CUP46
ROMS_IN
2K
RI4
60
59
58
57
56
AD1255
AD1154
AD1053
AD952
AD851
VA7 50
49
48
47
46
45
44
D0 43
D1 42
D2 41
D3 40
D4 39
D5 38
D6 37
D7 36
A14 35
A13 34
A12 33
CK18 32
31
AD0
AD7
AD1
AD6
AD2
AD5
AD3
AD4
RC_IN
AD4
AD5
AD6
AD7
RWB
IRQB
VIDEO
C4 capacitor use 0.1uF (TCU981 : C4=1uF)
2.2K
RTV3
AUDIO
9