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80C32 CPU with 256x8 RAM and I/O Datasheet

Photograph
80C32 CPU with 256x8 RAM and I/O

Features

arrowPin Compatible with NMOS 8032

arrowPower Control Modes

arrow256 bytes of RAM

arrow32 programmable I/O Lines

arrowThree 16 bit Timer/Counter

arrow64k Program Memory Space

arrow64k Data Memory Space

arrow6 interrupt sources

arrowProgrammable Serial Port


Pin Layout
80C32 IC Pin Layout

Pin Description
Pin Number Description
1-8 P1.0-P1.7 - Port 1
9 RST - Reset
10 P3.0/RXD - Port 3.0 / Serial Receive Pin
11 P3.1/TXD - Port 3.1 / Serial Transmit Pin
12 P3.2/INT0 - Port 3.2 / Interrupt 0 (Active Low)
13 P3.3/INT1 - Port 3.3 / Interrupt 1 (Active Low)
14 P3.4/T0 - Port 3.4 / Timer 0
15 P3.5/T1 - Port 3.5 / Timer 1
16 P3.6/WR - Port 3.6 / Write (Active Low)
17 P3.7/RD - Port 3.7 / Read (Active Low)
18 XTAL2 - Crystal Input
19 XTAL1 - Crystal Input
20 Vss - Ground
21-28 P2.0-P2.7 - Port 2
29 PSEN - Program Store Enable (Active Low)
30 ALE - Address Latch Enable
31 EA - External Memory Enable (Active Low)
32-39 P0.7-P0.1 - Port 0
40 Vcc - Positive Supply

Dimensional Drawing
DIP40 Dimension Drawing
DIP40 Dimension Drawing

Technical Data

Datasheet

Temic - Datasheet for 80C32 80C32 Datasheet

Application Notes