4-14
CA-702
CA-702P
IC
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
GND
GND
V
DD(
+
5V)
GND
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
GND
V
DD(
+
5V)
GND
GND
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
GND
V
DD(
+
5V)
GND
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
V
DD(
+
5V)
GND
GND
V
DD(
+
5V)
GND
PIN
NO.
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
I/O
O
O
O
O
—
O
O
O
O
O
O
O
—
O
O
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
29
30
31
32
33
34
AD0
AD1
AD2
GND
AD3
AD4
AD5
AD6
AD7
AD8
AD9
AD10
V
DD
AD11
GND
AD12
AD13
AD14
AD15
A0 (HBS)
A1
A2
A3
GND
A4
A5
A6
A7
A8
A9
A10
GND
A11
A12
SIGNAL
PIN
NO.
I/O
O
O
O
—
O
O
—
O
O
O
O
O
O
O
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
I/O
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
A13
A14
A15
V
DD
A16
A17
GND
A18
A19
A20
A21
CS0
CS1/CASH
CS2
CS3/CASL
GND
PA0/CS4/TIOCA0
PA1/CS5/RAS
PA2/CS6/TIOCB0
PA3/CS7/WAIT
PA4/WRL/(WR)
PA5/WRH/(LBS)
PA6/RD
PA7/BACK
GND
PA8/BREQ
PA9/AH/IRQOUT
PA10/DPL/TIOCA1
V
DD
PA11/DPH/TIOCB1
PA12/IRQ0/DACK0/TCLKA
PA13/IRQ1/DREQ0/TCLKB
PA14/IRQ2/DACK1
PA15/IRQ3/DREQ1
SIGNAL
PIN
NO.
I/O
O
—
I
I
—
I
O
I
I
I
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
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
CK
GND
EXTAL
XTAL
GND
NMI
WDTOVF
RES
MD0
MD1
MD2
V
DD
GND
GND
PB0/TP0/TIOCA2
PB1/TP1/TIOCB2
PB2/TP2/TIOCA3
PB3/TP3/TIOCB3
PB4/TP4/TIOCA4
V
DD
PB5/TP5/TIOCB4
PB6/TP6/TOCXA4/TCLKC
PB7/TP7/TOCXB4/TCLKD
GND
PB8/TP8/RXD0
PB9/TP9/TXD0
PB10/TP10/RXD1
PB11/TP11/TXD1
PB12/TP12/IRQ4/SCK0
PB13/TP13/IRQ5/SCK1
PB14/TP14/IRQ6
PB15/TP15/IRQ7
SIGNAL
—TOP VIEW—
C-MOS 32-BIT MICROPROCESSOR
HD6437021C02X (HITACHI)
1
2
3
5
6
7
8
9
10
11
12
14
16
17
18
19
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7
AD8
AD9
AD10
AD11
AD12
AD13
AD14
AD15
83
84
85
86
87
89
90
91
93
94
95
96
97
98
99
100
PB0/TP0/TIOCA2
PB1/TP1/TIOCB2
PB2/TP2/TIOCA3
PB3/TP3/TIOCB3
PB4/TP4/TIOCA4
PB5/TP5/TIOCB4
PB6/TP6/TOCXA4/TCLKC
PB7/TP7/TOCXB4/TCLKD
PB8/TP8/RXD0
PB9/TP9/TXD0
PB10/TP10/RXD1
PB11/TP11/TXD1
PB12/TP12/IRQ4/SCK0
PB13/TP13/IRQ5/SCK1
PB14/TP14/IRQ6
PB15/TP15/IRQ7
72
71
74
77
78
79
76
XTAL
EXTAL
NMI
MD0
MD1
MD2
RES
20
21
22
23
25
26
27
28
29
30
31
33
34
35
36
37
39
40
42
43
44
45
A0(HSB)
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
A21
51
52
53
54
55
56
57
58
60
61
62
64
65
66
67
68
PA0/CS4/TIOCA0
PA1/CS5/RAS
PA2/CS6/TIOCB0
PA3/CS7/WAIT
PA4/WRL(WR)
PA5/WRH(LBS)
PA6/RD
PA7/BACK
PA8/BREQ
PA9/AH/IRQOUT
PA10/DPL/TIOCA1
PA11/DPH/TIOCB1
PA12/IRQ0/DACK0/TCLKA
PA13/IRQ1/DREQ0/TCLKB
PA14/IRQ2/DACK1
PA15/IRQ3/DREQ1
46
47
48
49
CS0
CS1/CASH
CS2
CS3/CASL
69
75
CK
WDTOVF
INPUT
BREQ
DREQ0, DREQ1
EXTAL
IRQ0 - IRQ7
MD0 - MD2
NMI
RES
RXD0, RXD1
TCLKA - TCLKD
WAIT
XTAL
OUTPUT
AH
A0 - A21
BACK
CASH
CASL
CK
CS0 - CS7
DACK0, DACK1
HBS
LBS
RAS
RD
RQOUT
TOCXA4
TOCXB4
TP0 - TP15
TXD0, TXD1
WDTOVF
WR
WRH
WRL
INPUT/OUTPUT
AD0 - AD15
DPH
DPL
PA0 - PA15
PB0 - PB15
SCK0, SCK1
TIOCA0 - TIOCA4
TIOB0 - TIOCB4
; BUS REQUEST
; DMA REQUEST
; CRYSTAL OSCILLATOR AND EXTERNAL CLOCK
; INTERRUPT REQUEST
; MODE SELECT
; NON-MASKABLE INTERRUPT
; RESET
; RECEIVE DATA
; TIMER CLOCK
; WAIT
; EXTERNAL CRYSTAL OSCILLATOR
; ADDRESS HOLD
; ADDRESS BUS
; BUS REQUEST ACKNOWLEDGE
; HIGH COLUMN ADDRESS STROBE
; LOW COLUMN ADDRESS STROBE
; SYSTEM CLOCK
; CHIP SELECT
; DMA REQUEST ACKNOWLEDGE
; HIGH BYTE STROBE
; LOW BYTE STROBE
; ROW ADDRESS STROBE
; READ
; REQUEST OUTPUT
; OUTPUT COMPARE XA4
; OUTPUT COMPARE XB4
; TIMING PATTERN CONTROLLER
; TRANSMIT DATA
; WATCH-DOG TIMER OVERFLOW
; WRITE
; HIGH WRITE
; LOW WRITE
; DATA/ADDRESS BUS
; HIGH DATA PARITY
; LOW DATA PARITY
; I/O PORT A
; I/O PORT B
; SERIAL CLOCK
; ITU INPUT CAPTURE/OUTPUT COMPARE
; ITU INPUT CAPTURE/OUTPUT COMPARE
PORT A
PA15/IRQ3/DREQ1
68
PA14/IRQ2/DACK1
67
PA13/IRQ1/DREQ0/TCLKB
66
PA12/IRQ0/DACK0/TCLKA
65
PA11/DPH/TIOCB1
64
PA10/DPL/TIOCA1
62
PA9/AH/IRQOUT
61
PA8/BREQ
60
PA7/BACK
58
RES
76
WDTOVF
75
MD2
79
MD1
78
MD0
77
NMI
74
CK
69
EXTAL
XTAL
71
72
PA6/RD
57
PA5/WRH (LBS)
56
PA4/WRL (WR)
55
PA3/CS7/WAIT
54
PA2/CS6/TIOCB0
53
PA1/CS5/RAS
52
PA0/CS4/TIOCA0
51
ADDRESS
A15
37
A14
36
A13
35
A12
34
A11
33
A10
31
A9
30
A8
29
A7
28
A6
27
A5
26
A4
25
A3
23
A2
22
A1
21
A0 (HBS)
20
DATA/ADDRESS
AD15
19
AD14
18
AD13
17
AD12
16
AD11
14
AD10
12
AD9
11
AD8
10
AD7
9
AD6
8
AD5
7
AD4
6
AD3
5
AD2
3
AD1
2
AD0
1
PORT B
ADDRESS
CS3/CASL
49
CS2
48
CS1/CASH
47
CS0
46
A21
45
A20
44
A19
43
A18
42
A17
40
A16
39
PB15/TP15/IRQ7
100
PB14/TP14/IRQ6
99
PB13/TP13/IRQ5/SCK1
98
PB12/TP12/IRQ4/SCK0
97
PB11/TP11/TxD1
96
PB10/TP10/RxD1
95
PB9/TP9/TxD0
94
PB9/TP9/RxD0
93
PB7/TP7/TOCXB4/TCLKD
91
PB6/TP6/TOCXA4/TCLKC
90
PB5/TP5/TIOCB4
89
PB4/TP4/TIOCA4
87
PB3/TP3/TIOCB3
86
PB2/TP2/TIOCA3
85
PB1/TP1/TIOCB2
84
PB0/TP0/TIOCA2
83
MASK ROM
(32KB)
CPU
OSC
INTER
RUPT
CONT
USER
BREAK
CONT
BUS STATE
CONTROLLER
DIRECT
MEMORY
ACCESS
CONTROLLER
SERIAL
COMMUNICATION
INTERFACE
(
x
2 CHANNEL)
PROGRAMMABLE
TIMING PATTERN
CONTROLLER
16-BIT
INTEGRATED
TIMER PULSE
UNIT
RAM
1KB
WATCH-DOG
TIMER
INTERNAL LOWER DATA (16-BIT)
INTERNAL UPPER DATA (16-BIT)
INTERNAL ADDRESS BUS (24-BIT)
PERIPHERAL DATA BUS (16-BIT)
PERIPHERAL ADDRESS BUS (24-BIT)
