Sony CA-702 Maintenance Manual page 92

IC
HD6437021C02X (HITACHI)
C-MOS 32-BIT MICROPROCESSOR
—TOP VIEW—
76
77
78
79
80 V
DD(+5V)
81 GND
82 GND
83
84
85
86
87
88 V
DD(+5V)
89
90
91
92 GND
93
94
95
96
97
98
99
100
PIN PIN
I/O SIGNAL
NO. NO.
1 I/O AD0 35
2 I/O AD1 36
3 I/O AD2 37
4 — GND 38
5 I/O AD3 39
6 I/O AD4 40
7 I/O AD5 41
8 I/O AD6 42
9 I/O AD7 43
10 I/O AD8 44
11 I/O AD9 45
12 I/O AD10 46
13 — V 47
DD
14 I/O AD11 48
15 — GND 49
16 I/O AD12 50
17 I/O AD13 51
18 I/O AD14 52
19 I/O AD15 53
20 O A0 (HBS) 54
21 O A1 55
22 O A2 56
23 O A3
57
24 — GND 58
25 O A4 59
26 O A5 60
27 O A6 61
28 O A7 62
29 O
A8 63
30 O A9 64
31 O A10 65
32 — GND 66
33 O A11 67
34 O A12 68
4-14
GND 50
49
48
47
46
45
44
43
42
41
40
39
V 38
DD(+5V)
37
36
35
34
33
GND 32
31
30
29
28
27
26
PIN
I/O SIGNAL I/O SIGNAL
NO.
O A13 69 O CK
O A14 70 — GND
O A15 71 I EXTAL
— V 72 I XTAL
DD
O A16 —
73 GND
O A17 74 I NMI
— GND 75 O WDTOVF
O A18 76 I RES
O A19 77 I MD0
O A20 78 I MD1
O A21 I
79 MD2
O CS0 80 — V
DD
O CS1/CASH 81 — GND
O CS2 82 — GND
O CS3/CASL 83 I/O PB0/TP0/TIOCA2
— GND 84 I/O PB1/TP1/TIOCB2
I/O PA0/CS4/TIOCA0 I/O PB2/TP2/TIOCA3
85
I/O PA1/CS5/RAS 86 I/O PB3/TP3/TIOCB3
I/O PA2/CS6/TIOCB0 87 I/O PB4/TP4/TIOCA4
I/O PA3/CS7/WAIT 88 — V
DD
I/O PA4/WRL/(WR) 89 I/O PB5/TP5/TIOCB4
I/O PA5/WRH/(LBS) 90 I/O PB6/TP6/TOCXA4/TCLKC
I/O PA6/RD I/O PB7/TP7/TOCXB4/TCLKD
91
I/O PA7/BACK 92 — GND
— GND 93 I/O PB8/TP8/RXD0
I/O PA8/BREQ 94 I/O PB9/TP9/TXD0
I/O PA9/AH/IRQOUT 95 I/O PB10/TP10/RXD1
I/O PA10/DPL/TIOCA1 96 I/O PB11/TP11/TXD1
— V PB12/TP12/IRQ4/SCK0
97 I/O
DD
I/O PA11/DPH/TIOCB1 98 I/O PB13/TP13/IRQ5/SCK1
I/O PA12/IRQ0/DACK0/TCLKA 99 I/O PB14/TP14/IRQ6
I/O PA13/IRQ1/DREQ0/TCLKB 100 I/O PB15/TP15/IRQ7
I/O PA14/IRQ2/DACK1
I/O PA15/IRQ3/DREQ1
1 20
AD0 A0(HSB)
2 21
AD1 A1
3 22
AD2 A2
5 23
AD3 A3
6 25
AD4 A4
7 26
AD5 A5
8 27
AD6 A6
9 28
AD7 A7
10 29
AD8 A8
11 30
AD9 A9
12 31
AD10 A10
14 33
AD11 A11
16 34
AD12 A12
17 35
AD13 A13
18 36
AD14 A14
19 37
AD15 A15
39
A16
40
A17
42
A18
43
A19
44
A20
45
A21
83 51
PB0/TP0/TIOCA2 PA0/CS4/TIOCA0
84 52
PB1/TP1/TIOCB2 PA1/CS5/RAS
85 53
PB2/TP2/TIOCA3 PA2/CS6/TIOCB0
86 54
PB3/TP3/TIOCB3 PA3/CS7/WAIT
87 55
PB4/TP4/TIOCA4 PA4/WRL(WR)
89 56
PB5/TP5/TIOCB4 PA5/WRH(LBS)
90 57
PB6/TP6/TOCXA4/TCLKC PA6/RD
91 58
PB7/TP7/TOCXB4/TCLKD PA7/BACK
93 60
PB8/TP8/RXD0 PA8/BREQ
94 61
PB9/TP9/TXD0 PA9/AH/IRQOUT
95 62
PB10/TP10/RXD1 PA10/DPL/TIOCA1
96 64
PB11/TP11/TXD1 PA11/DPH/TIOCB1
97 65
PB12/TP12/IRQ4/SCK0 PA12/IRQ0/DACK0/TCLKA
98 66
PB13/TP13/IRQ5/SCK1 PA13/IRQ1/DREQ0/TCLKB
99 67
PB14/TP14/IRQ6 PA14/IRQ2/DACK1
100 68
PB15/TP15/IRQ7 PA15/IRQ3/DREQ1
72 46
XTAL CS0
71 47
EXTAL CS1/CASH
74 48
NMI CS2
77 49
MD0 CS3/CASL
78
MD1
69
CK
79
MD2
75
WDTOVF
76
RES
PORT A
76
RES
75
WDTOVF
79
MD2
78
MD1
77
MASK ROM
MD0
74
NMI
69
CK
71
EXTAL
72
XTAL
CPU
INTER
RUPT
CONT
SERIAL
COMMUNICATION
INTERFACE
(x 2 CHANNEL)
PROGRAMMABLE
TIMING PATTERN
CONTROLLER
PERIPHERAL ADDRESS BUS (24-BIT)
PERIPHERAL DATA BUS (16-BIT)
INTERNAL ADDRESS BUS (24-BIT)
INTERNAL UPPER DATA (16-BIT)
INTERNAL LOWER DATA (16-BIT)
INPUT
BREQ ; BUS REQUEST
DREQ0, DREQ1 ; DMA REQUEST
EXTAL ; CRYSTAL OSCILLATOR AND EXTERNAL CLOCK
IRQ0 - IRQ7 ; INTERRUPT REQUEST
MD0 - MD2 ; MODE SELECT
NMI ; NON-MASKABLE INTERRUPT
RES ; RESET
RXD0, RXD1 ; RECEIVE DATA
TCLKA - TCLKD ; TIMER CLOCK
WAIT ; WAIT
XTAL ; EXTERNAL CRYSTAL OSCILLATOR
OUTPUT
AH ; ADDRESS HOLD
A0 - A21 ; ADDRESS BUS
BACK ; BUS REQUEST ACKNOWLEDGE
CASH ; HIGH COLUMN ADDRESS STROBE
CASL ; LOW COLUMN ADDRESS STROBE
CK ; SYSTEM CLOCK
CS0 - CS7 ; CHIP SELECT
DACK0, DACK1 ; DMA REQUEST ACKNOWLEDGE
HBS ; HIGH BYTE STROBE
LBS ; LOW BYTE STROBE
RAS ; ROW ADDRESS STROBE
RD ; READ
RQOUT ; REQUEST OUTPUT
TOCXA4 ; OUTPUT COMPARE XA4
TOCXB4 ; OUTPUT COMPARE XB4
TP0 - TP15 ; TIMING PATTERN CONTROLLER
TXD0, TXD1 ; TRANSMIT DATA
WDTOVF ; WATCH-DOG TIMER OVERFLOW
WR ; WRITE
WRH ; HIGH WRITE
WRL ; LOW WRITE
INPUT/OUTPUT
AD0 - AD15 ; DATA/ADDRESS BUS
DPH ; HIGH DATA PARITY
DPL ; LOW DATA PARITY
PA0 - PA15 ; I/O PORT A
PB0 - PB15 ; I/O PORT B
SCK0, SCK1 ; SERIAL CLOCK
TIOCA0 - TIOCA4 ; ITU INPUT CAPTURE/OUTPUT COMPARE
TIOB0 - TIOCB4 ; ITU INPUT CAPTURE/OUTPUT COMPARE
ADDRESS
37
36
35
34
RAM
33
(32KB) 1KB
31
30
29
28
27
DIRECT
26
MEMORY
25
ACCESS
23
CONTROLLER
22
USER
BUS STATE 21
BREAK
CONTROLLER 20
CONT
19
16-BIT
18
INTEGRATED
17
TIMER PULSE
16
UNIT
14
12
WATCH-DOG
11
TIMER
10
9
8
7
6
5
PORT B
3
2
1
CA-702P
A15
A14
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0 (HBS)
AD15
AD14
AD13
AD12
AD11
AD10
AD9
AD8
AD7
AD6
AD5
AD4
AD3
AD2
AD1
AD0
CA-702