Sony BVW-55 Maintenance Manual page 568

IC
CXD1095AR (SONY)
C-MOS I/O EXPANDER
—TOP VIEW—
NC
49
50
51
52
53
54
55
GND
56
V
DD
57
58
59
60
61
62
63 NC
NC
64
PIN PIN
I/O SYMBOL I/O
NO. NO.
1 I/O PB1 17 I/O
2 I/O PB2 18 I/O
3 I/O PB3 19 I/O
4 I/O PB4 20 I/O
5 I/O PB5 21 I/O
6 I/O PB6 22 I/O
7 I/O PB7 23 —
8 — GND 24 —
9 I/O PC0 25 I/O
10 I/O PC1 26 I/O
11 I/O PC2 27 I/O
12 I/O PC3 28 I/O
13 WO PC4 29 I/O
14 I/O PC5 30 I/O
15 I/O PC6 31 —
16 I/O PC7 32 —
INPUT INPUT/OUTPUT
A0 - A3 : ADDRESS DO - 7
XCLR : CLEAR PA0 - A7
XCS : CHIP SELECT PB0 - B7
XDIS : DISABLE PC0 - C7
XRD : READ PD0 - D7
XWR : WRITE PE0 - E7
8
28 - 30,
33 - 37
D7 - D0 LATCH
8
LATCH
8
LATCH
8
LATCH
4
LATCH
38
XCLR
DATA
SERECTER
46
A2
45
CONTROL
A1
44
A0
41
XWR
42
XRD
43
XCS
39
XDIS
2-18
NC 32
NC 31
30
29
28
27
26
25
V 24
DD
GND
23
22
21
20
NC 19
18
17
PIN PIN
SYMBOL
I/O SYMBOL I/O SYMBOL
NO. NO.
NC 33 I/O D3 49 —
PD0 34 I/O D4 50 I/O
PD1 35 I/O D5 51 I/O
PD2 36 I/O D6 52 I/O
PD3 37 I/O D7 53 I/O
PD4 38 I XCLR 54 I/O
GND 39 I XDIS 55 —
V 40 — GND 56 —
DD
PD5 41 I XWR 57 I/O
PD6 42 I XRD 58 I/O
PD7 43 I XCS 59 I/O
D0 44 I A0 60 I/O
D1 45 I A1 61 I/O
D2 46 I A2 62 I/O
NC 47 I/O PE0 63 —
NC 48 I/O PE1 64 —
: DATA BUS
: PORT 1
: PORT 2
: PORT 3
: PORT 4
: PORT 5
8
52 - 54,
8
57 - 61
PA7 - PA0
8
8
1 - 7, 62
PB7 - PB0
8
8
9 - 16
PC7 - PC0
8
18 - 22,
8
25 - 27
PD7 - PD0
4
47, 48,
4
50, 51
PE3 - PE0
CXD1171M (SONY)
CXD1171M-TH
C-MOS 8-BIT D/A CONVERTER
—TOP VIEW—
D0 1 D.V
IN
D1 2 D.V
IN
D2 3 A.V
IN
D3 4
IN
D4 5
IN
D5 6 A.V
IN
D6 7
A.V
IN
D7 8
IN
BLK 9
IN
10 D.GND
VB 11 A.GND
IN
CK 12 B.GND
IN
NC
PE2
PE3
PA0
1 2
PA1
D0, D1
2
PA2
3 - 4 3
GND
D2 - D4 DECODER
V
DD
PA3
5 - 8 3
PA4
D5 - D7 DECODER
PA5
9
PA6
BLK
PA7
16
PB0
+
VREF
NC
15
_
NC
IREF
11
VB
12
CK
GENERATOR
1 20
D0 IO
24
DD 2 21
IO
D1
3
D2
23
DD 4
D3
5
D4
22
DD 6
D5
7
D6
IO
21
OUT
8
D7
12
20 IO
OUT
9
BLK
16
19
DD
VREF
15
IREF
18
DD VB VG
11 17
17 VG
OUT
CK : CLOCK INPUT
16 VREF
IN
BLK : BLANKING PULSE INPUT
D0 - 7 : DIGITAL DATA INPUT
15 IREF
IN
IO : CURRENT OUTPUT
IO
: INVERT CURRENT OUTPUT
14
IREF : CURRENT REFERENCE INPUT
VB, VG : FOR CAPACITOR
13
VREF : VOLTAGE REFERENCE INPUT
2 2
LATCHES
6MSB'S 2LSB'S
CURRENT CURRENT
CELLS CELLS
CURRENT
CELLS
( )
FOR FULL
SCALE
CLOCK
2
20
IO
21
IO
17
VG
BVW-55