80C575 Datasheet, PDF (3/40 Pages) NXP Semiconductors – 80C51 8-bit microcontroller family 8K/256 OTP/ROM/ROMless, 4 comparator, failure detect circuitry, watchdog timer

Philips Semiconductors
80C51 8-bit microcontroller family
8K/256 OTP/ROM/ROMless, 4 comparator, failure detect circuitry, watchdog timer
Product specification
80C575/83C575/
87C575
BLOCK DIAGRAM
V_CC
V_SS
RAM ADDR
REGISTER
RAM
P0.0-P0.7
PORT 0
DRIVERS
PORT 0
LATCH
P2.0-P2.7
PORT 2
DRIVERS
PORT 2
LATCH
ROM/
EPROM
B
REGISTER
ACC
TMP2
TMP1
STACK
POINTER
ALU
PSW
SFRs
TIMERS
PCA
PSEN
ALE
EA
RST
TIMING
AND
CONTROL
PD
OSCILLATOR
XTAL1
XTAL2
PORT 1
LATCH
PORT 1
DRIVERS
P1.0-P1.7
PORT 3
LATCH
PORT 3
DRIVERS
P3.0-P3.7
PROGRAM
ADDRESS
REGISTER
BUFFER
PC
INCRE-
MENTER
PROGRAM
COUNTER
DPTR
SU00238
1998 May 01
3