80C32 Datasheet, PDF (34/62 Pages) NXP Semiconductors – CMOS single-chip 8-bit microcontrollers

Philips Semiconductors
CMOS single-chip 8-bit microcontrollers
Product specification
80C52/80C54/80C58
BLOCK DIAGRAM
V_CC
V_SS
RAM ADDR
REGISTER
RAM
P0.0–P0.7
PORT 0
DRIVERS
8
PORT 0
LATCH
P2.0–P2.7
PORT 2
DRIVERS
8
PORT 2
LATCH
ROM
B
REGISTER
ACC
TMP2
TMP1
STACK
POINTER
16
PROGRAM
ADDRESS
REGISTER
ALU
PSW
PSEN
ALE
EA
RST
TIMING
AND
CONTROL
PD
OSCILLATOR
XTAL1
XTAL2
PORT 1
LATCH
PORT 1
DRIVERS
P1.0–P1.7
SFRs
TIMERS
BUFFER
PC
INCRE-
MENTER
8
16
PROGRAM
COUNTER
PORT 3
LATCH
MULTIPLE
DPTRs
PORT 3
DRIVERS
P3.0–P3.7
SU00733B
1996 Aug 16
4