Sony BVW-55 Maintenance Manual page 605

PERIPHERAL INTERFACE
BLOCK
SIO (µPD72001) INTERFACE
S-RAM INTERFACE
21, 24 - 28
A23 - 28
19, 20
A0, A1
150
DATAENN
151
FIFO (µPD42280) INTERFACE
BURSTN
152
LASTN
153
RDN
154
WRN
131
VARWAITN CPU PERIPHERAL
15 - 18
INTERFACE
BEN0 - 3
47
RESETN
149
SYSCLKN
ADDRESS DECODER
29 - 36
D0 - 7 PERIPHERAL BLOCK
INTERRUPT
135 - 142
INTP0 - 7
CONTROLLER
PIO 1
PIO 2
4, 7, 10
CTC1CLK0 - 2
5, 8, 11 CTC 1
CTC1G0 - 2
120, 123, 126
CTC2CLK0 - 2
CTC 2
121, 124, 127
CTC2G0 - 2
48 SIO BLOCK
SIOCLK
( BAUD RATE GEN )
52
SIO2CTS
SIO 1
53
SIO2DSR
SIO 2
145
EXTFRAME FRAME GEN
HALF CLK GEN
BVW-55
59
SIOCDN
60
SIOBAN
57
SIORDN
58
SIOWRN
38
SRAM1CS
39
SRAM2CS
40 - 43
WRENNA - D
165 - 168
FIFOREN1 - 4
169 - 172
FIFOWEN1 - 4
173
FIFORCKN
155
ACKN
156
RDCENN
14, 174
IOENN, 2
2
RDENN
3
WRENN
13
EXTDENN
158 - 163
S8W3CSN1 - 6
164
V8W3CSN
148
S8W4CSN
130
V8W6CSN
118
S16W2CSN
119
S16W3CSN
37
FLASHCSN
143
INT
61 - 68
PIO1P00 - 07
70 - 77
PIO1P10 - 17
79 - 86
PIO1P20 - 27
90 - 97
PIO2P00 - 07
99 - 106
PIO2P10 - 17
108, 109, 112 - 117
PIO2P20 - 27
6, 9, 12
CTC1OUT0 - 2
122, 125, 128
CTC2OUT0 - 2
49
SIO1TXD
50
SIO1RXD
51
SIO1INT
54
SIO2TXD
55
SIO2RXD
56
SIO2INT
144
SIO2BRK
147
VINT
146
FRAME
129
HALFCLK
CXK1203AR (SONY)
CXK1203AR-T4
C-MOS DIGITAL LINE MEMORY
—TOP VIEW—
37 NC 24
38 23
NC
39 22
40 21
41 20
V
42 DD 19
43 18
V
DD
44 NC 17
45 16
NC
46 NC 15
47 NC 14
48 13
NC
PIN PIN PIN
I/O SIGNAL I/O SIGNAL
NO. NO. NO.
1 I D0 13 I PSW7 25
2 I D1 14 I PSW6 26
3 I D2 15 I PSW5 27
4 I D3 16 I PSW4 28
5 I D4 17 I PSW3 29
6 — GND 18 I PSW2 30
7 I D5 19 — V 31
DD
8 I D6 20 I PSW1 32
9 I D7 21 I PSW0 33
10 I D8 22 I PSB2 34
11 I D9 23 I PSB1 35
12 I TINT 24 I PSB0 36
AEN : LINE MEMORY SELECT
CLK : CLOCK
DIN0 - DIN9 : VIDEO DATA INPUT
DOT0 - DOT9 : VIDEO DATA OUTPUT
N/P : NTSC/PAL/SECAM SELECT
OEN : OUTPUT ENABLE
PSB0 - PSB2 : DELAY STEP SELECT (1-BITxN)
PSW0 - PSW7 : DELAY STEP SELECT (8-BITxN)
SCLK : CLOCK EDGE SELECT
TINT : TEST
1 - 5
7 - 11
DIN0
1 LINE MEMORY
BUFF
(1138 x 10-BIT)
DIN9
ADDRESS
COUNTER
13 - 18
20, 21
PSW0
ADDRESS
MULTIPLEXER
PSW7
40
N/P
39
AEN
PIN
I/O SIGNAL I/O SIGNAL
NO.
OEN
I 37 — NC
O DOT9 38 — NC
O DOT8 39 I AEN
I
O DOT7 40 N/P
O DOT6 41 I SCLK
I
— GND 42 CLK
—
O DOT5 43 V
DD
—
O DOT4 44 NC
—
O DOT3 45 NC
—
O DOT2 46 NC
—
O DOT1 47 NC
—
O DOT0 48 NC
26 - 29
31 - 36
SMALL DELAY
BUFF
CONTROLLER DOT0
DOT9
25
OEN
PSB0
22-24
PSB2
42
TIMING CLK
41
CONTROLLER
SCLK
12
TINT
2-55
IC