Sony BKDS-PA3291, Руководство по обслуживанию

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6-13
BVS-A3232/V3232
IC
PROGRAMMABLE
DMA
CONTROLLER
LC
etc.
PROGRAMMABLE
INTERRUPT
CONTROLLER
16-BIT TIMER
TIME BASE
COUNTER
PORT WITH
COMPARATOR
PORT (0/1/2)
INSTRUCTION DECODER
MICRO SEQUENSER
MICRO ROM
INTERNAL RAM
256BYTE
TA
TB
TC
ALU
• GR
• MACRO SERVICE
CHANNEL
SERIAL
INTERFACE
BAUD RATE
GENERATOR
STAGING LATCH STAGING LATCH
ADM
PSW
PC
QUEUE
CG
BUS CONTROL LOGIC
48
51
52
54
55
56
44
41
65
43
47
45
46
59
INT
60
61
62
TOUT/P15
64
REFRQ
82
CLKOUT/P07 P00–P07
12 8 3–8, 10–11
P20–P27 PT0–7 V
TH
8
P10–P17
8 59–66 67–74 76
48, 51, 52
54–58
78
13–20
X1
3
EA
D0–D7
79
X2
63
POLL/INT/P14
1
IOSTB
83
R/W
84
MSTB
2
MREQ
66
READY/P17
58
HLDRQ/P27
57
HLDAK/P26
81
RESET
21–40
A0–A19
P20/DMARQ0
P21/DMAAK0
P22/TC0
P23/DMARQ1
P24/DMAAK1
P25/TC1
T
X
D0
R
X
D0
P16/SCKO
CTS0
T
X
D1
R
X
D1
CTS1
P10/NMI
P11/INTP0
P12/INTP1
P13/INTP2
/INTAK
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
O
O
I
I/O
I/O
I/O
I/O
I/O
—
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
O
O
O
O
O
O
O
O
IOSTB
MREQ
EA
P00
P01
P02
P03
P04
IC
P05
P06
P07/CLKOUT
D0
D1
D2
D3
D4
D5
D6
D7
A0
A1
A2
A3
A4
A5
A6
A7
PIN
NO.
I/O SYMBOL
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
O
O
O
O
O
O
O
O
O
O
O
O
I
—
I/O
O
I
I
O
I/O
—
I
I/O
I/O
—
I/O
I/O
I/O
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
RXD0
GND
CTS0
TXD0
RXD1
CTS1
TXD1
P20/DMARQ0
IC
V
DD
(+5V)
P21/DMAAK0
P22/TC0
IC
P23/DMARQ1
P24/DMAAK1
P25/TC1
PIN
NO.
I/O SYMBOL
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I
I
I
I
I
I
I
I
—
I
—
—
—
I
I
O
O
O
P26/HLDAK
P27/HLDRQ
P10/NMI
P11/INTP0
P12/INTP1
P13/INTP2/INTAK
P14/INT/POLL
P15/TOUT
P16/SCKO
P17/READY
PT0
PT1
PT2
PT3
PT4
PT5
PT6
PT7
IC
V
TH
GND
X1
X2
V
DD
(+5V)
RESET
REFRQ
R/W
MSTB
PIN
NO.
I/O SYMBOL