Sony CA-755 Maintenance Manual page 80

IC
CXD8344AQ (SONY)
C-MOS PULSE GENERATOR
- TOP VIEW -
34
35
36
37
38
39 V (+5.0V)
DD
40
41
42
43
44
PIN PIN
I/O SIGNAL I/O
No. No.
1 I I01 12 I
2 I I02 13 I
3 I I03 14 I
4 I I04 15 I
5 I I05 16 I
6 I I06 17 –
7
I I07 18 I
8 I I08 19 I
9 I MODE 20 I
10 I I09 21 I
11 I I10 22 I
INPUT
A19 ; ADDRESS INPUT
CKH ; FOR TEST
CLK ; CLOCK
I01–I17 ; INPUT
MODE ; MODE SELECT
(H:WINDOW GEN / L:CHIP SELECT LOGIC)
RST ; RESET
TES2 ; FOR TEST
TEST ; FOR TEST
9
MODE
WINDOW /
CHIP SELECT
16
/
18
A19
1-8
8
I01–I08 /
10-16
7
I09–I15 /
DT0-DT7
8
/
INPUT
SELECTOR
19
I17
41
CLK
20
RST
21
3
CKH
/
22
TES2
23
TEST
4-8
22
21
20
19
18
GND 17
16
15
14
13
12
(V =+5.0V)
DD
PIN PIN
SIGNAL I/O SIGNAL I/O SIGNAL
No. No.
I11 23 I TEST 34 O OT10
I12 24 O OT00 35 O OT11
I13 25 O OT01 36 O OT12
I14 26 O OT02 37 O OT13
I15 27 O OT03 38 O OT14
GND 28 O OT04 39 – V
DD
A19 29 O OT05 40 O OT15
I17 30 O OT06 41 I CLK
RST 31 O OT07 42 O OT16
CKH 32 O OT08 43 O RAM
TES2 33 O OT09 44 O ROM
OUTPUT
OT00-OT16 ; OUTPUT
RAM ; RAM OUT
ROM ; ROM OUT
A4-A19 RAM
ROM
24-32
IO0-IO8 9
/
CHIP
SELECT
LOGIC
IO9-IO15
7
(at MODE "L")
/
AS EE PROM
6
/
TESG
AI WO
MAD SU WO
WRB GM O
CSB
WINDOW
HD
OUTPUT
GEN
SELECTOR
VD
(at MODE "H")
N/P
FH M1 FH
FH M2 M9
f GEN &
H
CLOCK
M18
BUFFER
M18B
CXK1203AR (SONY)
CXK1203AR-T4
C-MOS DIGITAL LINE MEMORY
—TOP VIEW—
37 NC
38 NC
39
40
41
42
43 V
DD (+5V)
44 NC
45 NC
46
NC
47
NC
48
NC
PIN PIN
I/O SIGNAL I/O SIGNAL
NO. NO.
1 I D0 13 I
2 I D1 14 I
3 I D2 15 I
4 I D3 16 I
5 I D4 17 I
6 — GND 18 I
7 I D5 19 —
8 I D6 20 I
9 I D7 21 I
10 I D8 22 I
11 I D9 23 I
12 I TINT 24 I
AEN ;
CLK ;
DIN0-DIN9 ;
DOT0-DOT9 ;
N/P ;
43
OEN ;
RAM
44
PSB0-PSB2 ;
ROM
PSW0-PSW7 ;
OT00-OT08
SCLK ;
TINT ;
33-38
OT09-OT14
1-5
7-11
DIN0
BUFF
DIN9
40
OT15
42
OT16
13-18
20, 21
PSW0
PSW7
40
N/P
39
AEN
1
D0 DOT0
2
D1 DOT1
3
D2 DOT2
24
4
D3 DOT3
23
5
D4 DOT4
22
7
D5 DOT5
21
8
D6 DOT6
20
9
D7 DOT7
V 19
DD (+5V)
10
D8 DOT8
18
11
D9 DOT9
17
16
21
PSW0
15
20
PSW1
14
18
PSW2
13
17
PSW3
16
PSW4 PSB0
15
PSW5 PSB1
14
PSW6 PSB2
13
PSW7
42
41 12 39 40
(V = +5V)
DD
PIN PIN
I/O SIGNAL I/O SIGNAL
NO. NO.
PSW7 25 I OEN 37 — N.C
PSW6 26 O DOT9 38 — N.C
PSW5 27 O DOT8 39 I AEN
PSW4 28 O DOT7 40 I N/P
PSW3 29 O DOT6 41 I SCLK
PSW2 30 — GND 42 I CLK
V 31 O DOT5 43 — V
DD DD
PSW1 32 O DOT4 44 — N.C
PSW0 33 O DOT3 45 — N.C
PSB2 34 O DOT2 46 — N.C
PSB1 35 O DOT1 47 — N.C
PSB0 36 O DOT0 48 — N.C
LINE MEMORY SELECT
CLOCK
VIDEO DATA INPUT
VIDEO DATA OUTPUT
NTSC/PAL/SECAM SELECT
OUTPUT ENABLE
DELAY STEP SELECT (1 BITxN)
DELAY STEP SELECT (8 BITxN)
CLOCK EDGE SELECT
TEST
1 LINE MEMORY SMALL DELAY
(1138 x 10bit) CONTROLLER
TIMING
ADDRESS
CONTROLLER
COUNTER
ADDRESS
MULTIPLEXER
36
35
34
33
32
31
29
28
27
26
25
OEN
24
23
22
26-29
31-36
BUFF
DOT0
DOT9
25
OEN
PSB0
22-24
PSB2
42
CLK
41
SCLK
12
TINT
CA-755/755P