80C32 Philips Semiconductors, 80C32 Datasheet - Page 3

• Manufacturer Part Number: 80C32
• Description: CMOS single-chip 8-bit microcontrollers
• Manufacturer: Philips Semiconductors

Philips Semiconductors
BLOCK DIAGRAM
1999 Apr 01
ALE/PROG
80C51 8-bit microcontroller family
8K–64K/256–1K OTP/ROM/ROMless, low voltage (2.7V–5.5V),
low power, high speed (33 MHz)
EAV
PSEN
RST
PP
V
V
CC
SS
XTAL1
CONTROL
REGISTER
TIMING
RAM ADDR
REGISTER
OSCILLATOR
AND
B
PD
XTAL2
RAM
ACC
TMP2
DRIVERS
P1.0–P1.7
PORT 1
PORT 1
LATCH
PSW
DRIVERS
P0.0–P0.7
PORT 0
PORT 0
LATCH
ALU
TMP1
3
P.C.A. (FA & RA+ only)
TIMERS
SFRs
P2.0–P2.7
DRIVERS
PORT 2
PORT 2
LATCH
POINTER
8XC51RA+/RB+/RC+/RD+/80C51RA+
DRIVERS
STACK
P3.0–P3.7
PORT 3
PORT 3
LATCH
ROM/EPROM
8XC51FA/FB/FC/80C51FA
8
PROGRAM
REGISTER
PROGRAM
MULTIPLE
ADDRESS
COUNTER
MENTER
8XC52/54/58/80C32
DPTR’S
INCRE-
BUFFER
PC
8
Product specification
SU00831B
16