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SPX1000
LSI
DATA
TABLE
•
HD63B03P
(IG
1
05200)
CPU
Pin
No.
Name
I/O
Function
Pin
No.
Name
I/O
Function
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
V«
XTAL
EXTAL
NMI
IRQ
1
1
1
1
1
1
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
Ground
^
Clock
Non
maskable
Interrupt
Interrupt
Request
Reset
Stand-by
mode
Signal
Port
>
Address bus
(/
Port)
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
Vcc
A15
A14
A13
A12
All
A10
A9
A8
D7/A7
D6/A6
D5/A5
D4/A4
D3/A3
02/
A2
D1/A1
DO/AO
R/W
AS
E
0
0
0
0
o
0
0
0
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
1
0
1
Power
Supply (+5V)
>
Address bus
J
>
(Data
bus
/)
Address bus
Read/Write
control
Address
strobe
Enable
RESET
STBY
P20
P21
P22
P23
P24
AO/PI 0
A1/P1
1
A2/P12
A3/P13
A4/P14
A5/P15
A6/P16
A7/P17
•
HD63B50P
(IG
147300)
Asynchronous Communications
Interface
Adapter
Pin
No.
Name
—
I/O
Function
Pin
No.
Name
I/O
Function
1
Vss
DC
supply
OV
13
R/W
1
Read/Write
2
RXd
1
Receive data
14
E
1
Enable
3
RXc
1
Receive
clock
15
D7
I/O
4
TXc
0
Transmit
clock
16
D6
I/O
5
RTS
I/O
Request
to
send
17
D5
I/O
6
TXd
0
Transmit data
18
D4
I/O
Data bus
7
(RG
1
Interrupt
request
19
D3
I/O
8
CSO
1
20
D2
I/O
9
CS2
1
Chip
select
21
Di
I/O
10
CS1
1
22
Do
I/O
11
RS
1
Resist select
23
DCD
1
Data
carrier
detect
12
Vcc
DC
supply
(
-V
5.0V)
24
CTS
1
Clear to
send
•
HD63B21P
(XB258001)
PIA
(Peripheral Interface
Adapter)
PIN
No.
NAME
I/O
FUNCTION
PIN
No.
NAME
I/O
FUNCTION
1
Vss
Ground
21
R/W
1
Read/Write
Control
2
PAo
22
CSo
1
3
PAi
23
CS
2
1
Chip
Select
4
PA2
24
CSi
1
5
PAs
Peripheral
Data
Bus
25
E
1
Enable
6
PA4
(port
A)
26
D
7
I/O
7
PA5
27
De
I/O
8
PAe
28
D
5
I/O
9
PA7
29
D
4
I/O
Data
Bus
10
PBo
30
D
3
I/O
1
1
PBi
31
D
2
I/O
12
PB2
32
Di
I/O
13
PBs
Peripheral
Data
Bus
33
Do
I/O
14
PB4
(port B)
34
RES
1
Reset
15
16
PBs
PBe
35
36
RSi
RSo
1
1
Register Select
1
7
PB
7
37
IRQB
1
Interrupt
request
1
8
CBi
1
Peripheral
Control
DC
Supply
38
IRQA
1
19
20
CB
2
Vcc
1
39
40
'
CA
2
CAi
1
1
Peripheral
Control
SPX1
ooo
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