Sony DSR-1 Service Manual page 154

IC
UPD482445LGW-B10-E2 (NEC)
C-MOS 4M-BIT DUAL PORT GRAPHICS BUFFER
-TOP VIEW-
V
DD
1
( +3V )
DT/OE 2
IN
3 GND
SIO0 4
I/O
W0/IO0 5
I/O
SIO1 6
I/O
W1/IO1 7
I/O
8 V
DD ( +3V )
SIO2 9
I/O
W2/IO2 10
I/O
SIO3 11
I/O
W3/IO3 12
I/O
13 GND
SIO4 14
I/O
W4/IO4 15
I/O
SIO5 16
I/O
W5/IO5 17
I/O
18 V DD ( +3V )
SIO6 19
I/O
W6/IO6 20
I/O
SIO7 21
I/O
W7/IO7 22
I/O
23 GND
LWE 24
IN
UWE 25
IN
RAS 26
IN
A8 27
IN
A7 28
IN
A6 29
IN
A5 30
IN
A4 31
IN
32 V
DD ( +3V )
REFRESH
COUNTER
37
A0
36
A1
35
A0-A8
A2
34
A3
31
A4
30
A5
29
A6
28
A0-A8
A7
27
A8
STOP
SERIAL
64
SC ADDRESS
POINTER
63
SE
26
RAS
39
CAS
2
DT/OE TIMING
25 GEN.
UWE
24
LWE
41
DSF
14-40
64 SC
IN
63 SE
IN
GND 62
61 SIO15
I/O
60 W15/IO15
I/O
59 SIO14
I/O
58 W14/IO14
I/O
V 57
DD ( +3V )
56 SIO13
I/O
55 W13/IO13
I/O
54 SIO12
I/O
53 W12/IO12
I/O
GND 52
51 SIO11
I/O
50 W11/IO11
I/O
49 SIO10
I/O
48 W10/IO10
I/O
V DD ( +3V ) 47
46 SIO9
I/O
45 W9/IO9
I/O
44 SIO8
I/O
43 W8/IO8
I/O
GND 42
41 DSF
IN
NC 40
39 CAS
IN
38 QSF
OUT
37 A0
IN
36 A1
IN
35 A2
IN
34 A3
IN
GND 33
0 COLUMN DECODER 511
SENS AMP
512 COLUMN×16
MEMORY SEL ARRAY
TRANSFER GATE
TAP
DATA REGISTER ( 512 WORD×16-BIT )
0 255 256 511
SELECTOR
A0-A8
37 5
A0 W0/IO0 CAS
36 7
DSF
A1 W1/IO1
35 10
DT
A2 W2/IO2
34 12
OE
A3 W3/IO3
QSF
31 15
A4 W4/IO4
RAS
30 17
A5 W5/IO5
SC
29 20
A6 W6/IO6 SE
28 22
SIO0-SIO15
A7 W7/IO7
27 43
UWE
A8 W8/IO8
45 LWE
W9/IO9
W0-W15/
48
W10/IO10
IO0-IO15
50
W11/IO11
53
W12/IO12
55
W13/IO13
58
W14/IO14
60
W15/IO15
4
SIO0
6
SIO1
9
SIO2
11
SIO3
14
SIO4
16
SIO5
19
SIO6
64 21
SC SIO7
63 44
SE SIO8
26 46
RAS SIO9
39 49
CAS SIO10
2 51
DT/OE SIO11
25 54
UWE SIO12
24 56
LWE SIO13
59
SIO14
61
SIO15
41 38
DSF QSF
RAM PORT
5, 7, 10, 12, 15
17, 20, 22, 43
45, 48, 50, 53
RANDOM
55, 58, 60
16
INPUT/
W0/IO0
OUTPUT
W15/IO15
BUFFER
16
COLOR
REGISTER
( 16-BIT )
MARK
REGISTER
( 16-BIT )
SERIAL PORT 4, 6, 9, 11, 14
16, 19, 21, 44
46, 49, 51, 54
SERIAL
56, 59, 61
16
INPUT
SIO0
OUTPUT
SIO15
BUFFER
38
QSF
; ADDRESS INPUTS
; COLUMN ADDRESS STROBE INPUT
; SPECIAL FUNCTION ENABLE INPUT
; DATA TRANSFER
; OUTPUT ENABLE INPUT
; SPECIAL FUNCTION OUTPUT
; ROW ADDRESS STROBE INPUT
; SERIAL CLOCK INPUT
; SERIAL DATA INPUT/OUTPUT ENABLE INPUT
; SERIAL DATA INPUTS/OUTPUTS
; WRITE BAR BIT
; WRITE ENABLE INPUT
; DATA INPUTS/OUTPUTS
DSR-1/1P/V2