IA88C00 Datasheet, PDF (7/80 Pages) InnovASIC, Inc – Microcontroller

IA88C00
Microcontroller
Data Sheet
As of Production Version -01
Figure 3. 48-Lead DIP Pin Assignments
Pin #
1-8
9-10
11
12
13
14-17
18
19-20
21-23
24-25
26-27
28-29
30
31
32-33
34
35-36
37
38
39-40
41-48
Symbol
P10-17
P24-25
Vcc
XTAL2
XTAL1
P44-47
P22
P32-21
P23-21
P31-30
P26-27
P37-36
/RESET
R/W
P43-42
GND
P41-40
/DS
/AS
P35-34
P07-00
Function
Port 1, pins 0,1,3,4,5,6,7
Port 2, pins 4,5
Power Supply
Crystal Oscillator
Crystal Oscillator
Port 4, pins 4,5,6,7
Port 2, pin 2
Port 2, pins 2,3
Port 2, pins 3,0,1
Port 3, pins 1,0
Port 2, pins 6,7
Port 3, pins 7,6
RESET
READ/WRITE
Port 4, pins 3,2
Ground
Port 4, pins 1,0
Data Strobe
Address Strobe
Port 3, pins 5,4
Port 0, pins 7,6,5,4,3,2,1,0
Direction
In/Output
In/Output
Input
Output
Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
In/Output
Input
Output
In/Output
Input
In/Output
Output
Output
In/Output
In/Output
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Innovasic Semiconductor
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