HARLEQUIN 128K timing .pdf

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Original filename: HARLEQUIN 128K timing.pdf
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2

D2
D3
D4

B0
B2

G

Spkr
J8
M-DIN_8-R

270

150

Mic

2
D5
R38

R21

R43

68

68

68

68

Q2
BC548

Q1
BC548

KB4
Ear

J2

74HC174

1
2
3
4
5

1N4742A

1

R48

R20

VCC

1
19

OE1
OE2

KB0
KB1

VD0

1

VD2

2

U5B
4

AL

74HC32

KB3
KB4

U1

R6

D6

10k

D7

14
15
12
8
7
9
10
13

RST

26

D0

U5C

D1

9

D2

8

VCC
10

D3

WR

D4

2.2K

VCC

R29

R30

R31

18K

3.9K

2.2K

U40
2
3
4
5
6
7
8
9

CA10
CA9
CA8
CA4
CA3
CA2
CA1

U31

CA0

1G
1C0
1C1
1C2
1Y 1C3

7

B
A
B

9

2Y 2C0
2C1
2C2
2C3
2G

1
U38
6
5
4
3

DD4

U33
19
18
17
16
15
14
13
12

DD0
DD1
DD2
DD3
DD4

10
11
12
13

DD5

DD5

DD2

DD6

B2

DD7

2
3
4
5
6
7
8
9

1D
2D
3D
4D
5D
6D
7D
8D

19
18
17
16
15
14
13
12

1Q
2Q
3Q
4Q
5Q
6Q
7Q
8Q

11
1

CLK
OC

15

2
3
4
5
6
7
8
9

1D
2D
3D
4D
5D
6D
7D
8D

VD0
VD1

OutLatch

10

VD2
VD3
VD4

VCrst

11

VD5
VD6
VD7

11
1

CLK
OC

74HC574

9
7
6
5
3
2
4
13
12
14
15
1

CA0

19
1

18
17
16
15
14
13
12
11

B1
B2
B3
B4
B5
B6
B7
B8

VA7

VA0

VA6

VA1

VA5

VA2

VA4

VA3

VA3

VA4

VA2

VA5

VA1

VA6

VA0

VA7
VA8
VA9

G
DIR

CA1

VA10
VA11

74HC245
U41

CA2
CA3

15
1

CA4
CA5
CA7

CA11

CA8

CA5

CA9

VC7

CA10

CA6

2
3
5
6
11
10
14
13

CA11
CA11

74HC4040
CA7

VA12
VA13
VA14

G
A/B

CA6

1A
1B
2A
2B
3A
3B
4A
4B

74HC574

12
11
10
9
8
7
6
5
27
26
23
25
4
28
3
31

VA15

1Y
2Y

4

VA8

VRD

7

VA9

VCS

U34

2Y 2C0
2C1
2C2
2C3
2G

6
5
4
3

DD0
B0

U30A
2
14

1 13
3
2

10
11
12
13

U36
2
3
4
5
10
11
12
14

A
B
C
D
E
F
G
QH H

DD3

SER
SH/LD
CLK
CLK_INH

DD6

74HC86

19
18
17
16
15
14
13
12

1
15
7
6

CLR

B
A

1

74HC253

24
29
22
30

VCC

3Y

2
3
5
6
11
10
14
13

VD2
VD3

VC7

VD4
VD5
VD6
VD7

VD1

VD1

VD2

VD2

VD3

VD3

VD4

VD4

VD5

VD5

VD6

VD6

VD7

VD7

4
6
5
74HC08
DD7

74HC86

U30C

9

3Y

VA6
VA5
VA4
VA3
VA2
VA1
VA0

R10

R11

VA9

10k

10k

VA10
VA12

VCS

VCS

VA13

VRD

VRD

U5D
13

D0
C1

D1

VCC

D2

A1
A2
A3
A4
A5
A6
A7
A8

19
1

WR

D3
D5

R3
R4

10kNMI
10kWAIT

D6

R5

10kBUSRQ

D4

D7

12

INT

A4
A2

11

18
17
16
15
14
13
12
11

B1
B2
B3
B4
B5
B6
B7
B8

R32

A12

470

9

RD

8

C0
C2
C3
C4
C5
C6

VCC

5

10

12

VC0
VC1

11
74HC08

13

VC2
VC3

VC4

13

D

VC5

D11

1N4148

D12

1N4148

D13

1N4148

D14

VC5
VC6

3

VC7

11

2

VC8

12

U26B

74HC08
5

1N4148

VC4

1

CON3

Q

D

74HC32

9
7
6
5
3
2
4
13
12
14
15
1

15
14
13
12
11
10
9
7

11

6

6
4

D

A8

M1

A10

RFSH

-12V

RD

WR

WAIT

+12V

IORQ

-5V

D3

D4

HALT

MREQ

D5

NMI

D6

INT

D2

D0

D1

D7

A6

D7

A7
A8

A12
A13
RA14
RA15

Q CLK

3

HQ1

2

HQ2

74HC00

HQ3

74HC00
HQ5

U23B
4

Y0 A
Y1 B
Y2 C
Y3
Y4
Y5 G1
Y6G2B
Y7G2A

HC1

HCa

HC2

HC0

HC3

HC1
HC2

VCC
6
5
4

6

74HC4040

5

A11

A9

A4

A5

BUSAK

ROMCS

A6

A7

RST

BUSRQ

GND

A3

A2

A1

A0

VD6
VD7

A

24
29
22
30

RAM

A15

RD

13
14
15
17
18
19
20
21

I/O0
I/O1
I/O2
I/O3
I/O4
I/O5
I/O6
I/O7

D0

A6

D1

A7

D2

A8

D3

A9

D4

A10

D5

A11

D6

A12

D7

A13
RA14
RA15
GND

24
29
22
30

RD
WR
RAM
A15

A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16

D0
D1
D2
D3
D4
D5
D6
D7

R13

UM61512
Q6
2SA1175

A11

RESET

ROMCS

Q7
2SA1175

Q8
2SA1175

Q9
2SA1175

A10

Q10
2SA1175

A13

Q12
2SA1175

A8

VRAM

D3
D4
D5
D6
D7

4.7K*8

Q11
2SA1175

A12

13

D2

VCC

J12
R7
470

D1

HM628128

OE
WE
CS1
CS2

J1

1
2
3
4
5
6
7
8

RFSH

1
2

D0

OE
WE
CS1
CS2

WR

RST

13
14
15
17
18
19
20
21

B

Q13
2SA1175

RCPT 8

A14

12

A15

VCC
U22B
U11A

U9A
D

Q CLK

2

VSyncEn

3

HCrst

U13C

4

1

C6

6
3 5

6

D

5

2

C7

2
3

74HC04

A5

5
RD

VCC U39 1N4148
16
VCC OE1
OE2

74HC74

CLK7

U13E
11

VCC

U12D
10

U11B

12

nA14

A15

12

nBK0

13

4

MCON

D0
D1
D2
D3
D4
D5

U12B
5

13

R58
10K

1N4148
D7

6

CLKQ

74HC32
74HC08

D6

U10A

Q

6

6

5

4

74HC32
74HC08

3
5
7
9
11
13

74HC32

Y1
Y2
Y3
Y4
Y5
Y6

A1
A2
A3
A4
A5
A6
GND

1
15 IORQGE
J13
2
4
6
10
12
14

S0
S1
S2
S3
S4
VCC

S2
S1
S0
S4
S3

14
13
12
11
15

QA A
QB B
QC C
QD D
RCO
CLK
ENT
ENP
LOAD
CLR

VCC

8

74HC366
74HC08

3
4
5
6

Header 8

8

HC8

HC5
HC6

14
13
12
11
15

QA A
QB B
QC C
QD D
RCO
CLK
ENT
ENP
LOAD
CLR

1

U21B
4
9 6
5

74HC08
U12C

HC0

HC7
HC8

U20A
1

HC1

3

14
13
12
11
15

QA A
QB B
QC C
QD D
RCO
CLK
ENT
ENP
LOAD
CLR

2
4
74HC00
5

VCC
6
5
4

9

1

8

2

R59

1
2
3
4
5
6

S0
S1
S2
S3
S4

3

74HC32

74HC74
8

C
10k

VCC

CLK

U13D
74HC32

3
4
5
6

9
74HC04

HCa

74HC00

11

HCa

12

3
4
5
6

1
2

11
9

Q

CLKB

13

A12
IORQGE

74HC08

A1

6
5
4

13

A
B
C

Y0
Y1
Y2
Y3
Y4
G1 Y5
G2BY6
G2AY7

15
14
13
12
11
10
9
7

11

BDIR

8

BC1

12
74HC00
U51C
10

74HC138

HC6

9

D0

U13B

U13A

4

CLK14

3

D1

U13F

C2

2

1

12

D2

13

D3
D4

100pF

74HC04

74HC04

RST

R16

470 2.2M

470

Y1

R60

3
4
6
11
13
14
1
9

1D
2D
3D
4D
5D
6D

1Q
2Q
3Q
4Q
5Q
6Q

2
5
7
10
12
15

BK0
BK1
BK2
VB
ROM0

D3

CLR
CLK

1N4148

74HC174

1K

9

C50

8
3

D5

74HC04

R15

74HC00

U50

CLKB

4k7

2
10
7
9
1

U24A

HC8

12

R17

U20C

HC7

WR

VCC

74HC161

74HC138

A15

U29D

8

CLKQ
D

1
2
3

A14

HC3

74HC74

HC6

74HC00

U51D
U4

U45B

2
10
7
9
1

VCC

6

Q

CLKQ

9

U16

74HC32

HC7

D

10

74HC161

74HC32

U20B

12
11

10

HC6

9

HC0

VCC

U12A

10

MREQ

GND
U10B

8

HC4

74HC32

11

HC5

U11C

IORQULA

2
10
7
9
1

1
2
3
4
5
6
7
8

U15
HC3

3

VCC
U21C

1
2
3

VD5

74HC32

Q

HC2

U18
15
14
13
12
11
10
9
7

A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15

27C256

MREQ

VCC

74HC32

1

74HC08

D6

A11

U14

2

13

U23A

VD4

OE
WE
CS1
CS2

11

1

HC8

11

A5

A10

74HC161

4
PRE

10
PRE

Q

74HC32

8
10

A4

D5

VPP

M1

74HC74

3

HC4

9
HBlank

D4

U11D

1
2
3

Y0 A
Y1 B
Y2 C
Y3
Y4
Y5 G1
Y6G2B
Y7G2A

12 8
2

10

27pF

C51

14MHz

27pF

28.375MHz

74HC00

VCrst

74HC08
U51B

U51A

4
VCC

VCC

nA14

5

U53B

1

3 nBK0

BK0

2

3
BK1

2

6

U46 OKI-78SR-5

J4

3
2
1

1-2 = NTSC
2-3 = PAL

1

+9V

C3x

C3

10uF

10uF

DC JACK

Vin

Vout
GND

A15

3
C6

C29

C6x

C5

C9

C10

C11

C12

C13

C14

C15

C16

C17

C19

C20

C21

C39

Y2

0.1uF

0.1uF

0.1uF

0.1uF

0.1uF

0.1uF

0.1uF

0.1uF

0.1uF

0.1uF

0.1uF

0.1uF

0.1uF

0.1uF

74HC00

74HC00

U29C

U24D

9
22uF

22uF

220uF

3.58MHz = NTSC

BK0

13

A14

12

8
10

11

9

GND

MREQ

VB

13

AL

12

U52C
6

9

5

8 VA15
10

nA15

74HC32
74HC32

11VA14
13
11

74HC32
Title

74HC08
74HC32

D

U52B
4

74HC08

U52D
12

74HC08
U53D

8 RAM
10

74HC08

2
AL

8
10
74HC08

U22C

4.43MHz = PAL

1

BK2

3

9

5

74HC32
nAL

A14

U53C

4

RA15

U53A

RA14

U52A

1
6 nA15

A15

J9,J10,J11

5

U21A
2

U21D

3

U23C
10

A3

OE
CE

1

IORQ

D3

A9

HC6

74HC74

1
2

4

QA
QB
QC
QD
QE
CLK
QF
QG
QHCLR
QI
QJ
QK
QL

6

VCC
U28A

3

2

VC2

74HC08
U26A
U28D

VC0

Q CLK

74HC74
U25

U26D

74HC00

VBorder

CLR

6

HSync

11

13

U45A

74HC32

D

5

74HC74

1

10

9

VC1

Q CLK

12

VCC
U19A
12

Q CLK

9

U26C

D10

D

74HC00
U17

CLR

U28C

Q

VD3

VCC

8

9

Vout

5

3
2
1

BUSAK

13

74HC08
U24C

VCC

74HC86

2

22
20

HALT

MCON

74HC74

C1

74HC00

1N4148

Q

8

G
DIR

5

12 8

1

A15

A2

Den

U9B

A13
VRAM

4

74HC00

13

8

ROM0

D2

A5

VCC

A11

6

AL1

12

11

3

A13

VCC

U20D

11

VSyncEn

J11

A13

12

CON3

U27A

A12

A1

12
11
10
9
8
7
6
5
27
26
23
25
4
28
3
31

A9

A10

11

13

VD2

A8

U24B

U27D

VD1

A9

OutLatch

nAL

11

CLR

J10

6

A12

10k

10

U30D

4

10pF

A11

74HC00

PRE

2

A11

A14

23
18
20
27
19
21
22
28

R51

VCC

6

10k

A10

D1

11

U19B
4

1
2
3

A9

A10

74HC04

10

5

A8

A9

A0

AL

74HC00
U28B

74HC32
U27B

A7

A8

3

74HC138

1

A6

A7

74HC32

MREQ

74HC08

U29A

A6

O0
O1
O2
O3
O4
O5
O6
O7

D0

2

8

3

A4
A5

A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14

11
12
13
15
16
17
18
19

U22D

10

Blank

A4
A5

1

A15

A0

C7

10k

1N4148

A3

A1

9

R61

1N4148

D2

A3

12

QA
QB
QC
QD
QE
CLK
QF
QG
QHCLR
QI
QJ
QK
QL

AL2

VCC

D1

A2

U22A

A14

A3

A2

A14

U27C

74HC08

NMI
WAIT
BUSRQ BUSAK
INT
HALT
IORQ
M1
CLK
MREQ
RD
WR
REFSH
Z80-CPU

A6
A5

9

C4

6

A7

74HC245

10

ComSync

17
24
25
16

A1

10
9
8
7
6
5
4
3
25
24
21
23
2
26
27

74HC32

9

R22

10uF

A1

11

11

74HC257

74HC4040

74HC86

RST

G
DIR

2
3
4
5
6
7
8
9

VA11

U23D

18
17
16
15
14
13
12
11

B1
B2
B3
B4
B5
B6
B7
B8

A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15

A0

74HC245
U44

VRD

VWR

A1
A2
A3
A4
A5
A6
A7
A8

19
1

VCC

12VCS

4Y

16
15
14
13
12
11
10
9

B0
B1
B2
B3
B4
B5
B6
B7

U43
2
3
4
5
6
7
8
9

VA7

VA8

2Y

A0
A1
A2
A3
A4
A5
A6
A7

CLK

7 VA13

8

C

1
2
3
4
5
6
7
8

RES x 8

4 VA12

1Y

U37
9
7
6
5
3
2
4
13
12
14
15
1

U29B
VCC
4

1A
1B
2A
2B
3A
3B
4A
4B

VD0

UM61512

VCC

G
A/B

VD1

VD0

OE
WE
CS1
CS2

12VA10

4Y

13
14
15
17
18
19
20
21

I/O0
I/O1
I/O2
I/O3
I/O4
I/O5
I/O6
I/O7

D0
D1
D2
D3
D4
D5
D6
D7

A0

13

6
5

15
1

VD0

11
1

CLK
OC

VCC

U30B

2
3
4
5
6
7
8
9

1D
2D
3D
4D
5D
6D
7D
8D

74HC574

74HC166

15

1Q
2Q
3Q
4Q
5Q
6Q
7Q
8Q

CLK7

9

1G
1C0
1C1
1C2
1Y 1C3

A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15

9 VA11

74HC257
U42

U32

9

U35

1Q
2Q
3Q
4Q
5Q
6Q
7Q
8Q

VCC

QA
QB
QC
QD
CLK
QE
QF
QG
CLRQH
QI
QJ
QK
QL

DD1
B1

2
14

74HC253

7

A1
A2
A3
A4
A5
A6
A7
A8

U47

U8

U3

U2

30
31
32
33
34
35
36
37
38
39
40
1
2
3
4
5

1

R28

3.9K

10

R27

18K

A13

A3

PRE

R26

B6
B7
B8
B9
B10
B11
B12
B13
B14
B15
B16
B17
B18
B19
B20
B21
B22
B23
B24
B25
B26
B27
B28

A2
A4

Q4
BC548

VCC

A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
A21
A22
A23
A24
A25
A26
A27
A28

A1

IORQ

CLR

2.2K

B1
B2
B3
B4

IORQULA
RD

VD0

U3x
12
11
10
9
8
7
6
5
27
26
23
25
4
28
3
31
2

A0

6
5

13
14
15
17
18
19
20
21

HM628128

470

13

R25

3.9K

A1
A2
A3
A4

IORQGE

R9

VD7

74HC32
R24

VCC

74HC541

KB2

24
29
22
30

VRD
VWR

VCC

74HC32

VD6

VCC
18K

GND

VD5

RCPT 5

R23

VA15

VCS

D5

VCC

VA14

AY-8912

VD4

VA12

A0

3

VD3

270

Q3
BC548

D7

U5A

VD1

VA11

D0
D1
D2
D3
D4
D5
D6
D7

D7

68

D1

18
17
16
15
14
13
12
11

Y0
Y1
Y2
Y3
Y4
Y5
Y6
Y7

D6

68

D3

1
9

CLR
CLK

KB3

A0
A1
A2
A3
A4
A5
A6
A7

D5

B1

D5

KB2

2
3
4
5
6
7
8
9

D3

R19

D4

KB0
KB1

D4

R34

D0
D2

VA10

10k*8

D2

6
4
3
1

R18
270

3
4
6
11
13
14

1D
2D
3D
4D
5D
6D

VA8

VA13

R1

D1

Audio

R8

1Q
2Q
3Q
4Q
5Q
6Q

VA7

Audio2

D0

7
8
5
2

CSync

R12

2
5
7
10
12
15

D6

VA6

A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16

1
2
3
4
5
6
7
8
9

+9V

U6

VA5

Audio1

4

VCC
2.7K

R

10k*8

D5

PRE

R2

U7

A

VCC
1
2
KB0
3
KB1
4
KB2
5
KB3
6
KB4
7
8
9

VA4

1
2
3
4
5
6
7
8
9

CON3

IORQGE

D1

R49

VA3

VA9
CLKB

1
2
3

4.433MHz

B

28
27
26
25
24
23
22
21

D0

AUDIO
R56 R57
1K 1K

GND

EAR/MIC

3.3nF

14
13
12
11
10
9
8
7

GND

C36

BDIR

+9V

10k
1nF

VA2

ZX_EDGE
J3

A12

1nF

C38 2.2uF

J5

A14

12K

A15

2
12K

R36

C-AY

5
4
3
2
1

VCC

3.3nF

R46

C18

B-AY

1K
2K
2K
1K

CLR

Y2

R45

12K

20
19
18
17

BC1

R52
R53
R54
R55

A-AY

VA1

1

4.7M

0.1uF

3

+

0.1uF

J9

VCC

7

33K

J6

5
4
1

10

75

VIDEO

75

C35

5
4
3
2
1

C37 2.2uF

/RESET
CLK ChA
ChB
BC1
ChC
BC2
BDIR
A8
IO0
IO1
D0
IO2
D1
IO3
D2
IO4
D3
IO5
D4
IO6
D5
IO7
D6
D7

PRE

75

DGND
AGND

220uF

2

-

HC1

C32

1
13
2

6

16
15

RST
R35

CLR

10pF
75

STDN
SELECT
FIN
AD724JR

R42

1N4740A
C8

12
11
10
9
8
7
6
5
27
26
23
25
4
28
3
31
2

VA0

13

1
12
3

C25

C28

6

13

R50

R33

J7

11
9

U49
TL712

0.1uF

C7

CLR

R39

100K

Audio2

Audio

PRE

R40

LUMA
CRMA

10uF

0.1uF

U54

VCC

10

R41

C30

VSYNC
HSYNC

0.1uF

C34 0.1uF

10

5

U8x
D4

4

15
16

CMPS

C27

4

VCC

R44

Audio1
C26

1

BIN
GIN
RIN

0.1uF

4
14

PRE

R

APOS
DPOS

4
8

8
7
6

0.1uF
C24

C33

C31 0.1uF

ENCD

2

C23

G

3

VCC
U48
5

5

VCC
0.1uF

CLR

1

C22

B

ZX Spectrum Superfo Harlequin

74HC08
Size

Document Number

Rev

A

H

Date:

1

2

3

4

5

Sheet

6

1

of

1


Document preview HARLEQUIN 128K timing.pdf - page 1/1


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