83C576 Philips Semiconductors, 83C576 Datasheet - Page 3

• Manufacturer Part Number: 83C576
• Description: 80C51 8-bit microcontroller family 8K/256 OTP/ROM/ 6 channel 10-bit A/D/ 4 comparators/ failure detect circuitry/ watchdog timer
• Manufacturer: Philips Semiconductors

Philips Semiconductors
BLOCK DIAGRAM
1998 Jun 04
80C51 8-bit microcontroller family
8K/256 OTP/ROM, 6 channel 10-bit A/D, 4 comparators,
failure detect circuitry, watchdog timer
V
PSEN
CC
RST
ALE
EA
V
SS
XTAL1
WATCHDOG
CONTROL
REGISTER
TIMING
RAM ADDR
REGISTER
VOLTAGE
OSCILLATOR
TIMER
AND
DETECT
LOW
B
A
PD
XTAL2
A
B
CLK AND OSC
CONTROL
FAILURE
DETECT
DETECT
POWER
UPI
RAM
ON
B
ACC
TMP2
DRIVERS
P1.0-P1.5
PORT 1
PORT 1
LATCH
PSW
DRIVERS
P0.0-P0.7
PORT 0
PORT 0
LATCH
ALU
ANALOG TO DIGITAL
TMP1
CONVERTER
3
10-BIT
–AV
TIMERS
SS
SFRs
P2.0-P2.7
DRIVERS
PCA
+AV
PORT 2
PORT 2
LATCH
CC
POINTER
P3.0-P3.7
DRIVERS
STACK
PORT 3
PORT 3
LATCH
EPROM
ROM/
COMPARATOR
83C576/87C576
BLOCK
PROGRAM
REGISTER
PROGRAM
ADDRESS
COUNTER
MENTER
INCRE-
BUFFER
DPTR
PC
PWM
Product specification
SU00255B