P80C652EBB PHILIPS [NXP Semiconductors], P80C652EBB Datasheet - Page 6

• Manufacturer Part Number: P80C652EBB
• Description: CMOS single-chip 8-bit microcontrollers
• Manufacturer: PHILIPS [NXP Semiconductors]

Phlips Semiconductors
BLOCK DIAGRAM
1996 Aug 15
CMOS single-chip 8-bit microcontrollers
INT0
INTERRUPTS
EXTERNAL
XTAL2
OSCILLATOR
FREQUENCY
REFERENCE
TIMING
INTERRUPTS
AND
INT1
CPU
INTERNAL
XTAL1
64K BYTE BUS
(8K x 8 ROM)
EXPANSION
CONTRTOL
PROGRAM
CONTROL
MEMORY
PROGRAMMABLE I/O
ADDRESS/DATA BUS
PARALLEL PORTS,
(256 x 8 RAM)
AND I/O PINS
MEMORY
DATA
6
SERIAL IN
SYNCHRONOUS SHIFT
PROG SERIAL PORT
FULL DUPLEX UART
TIMER/EVENT
SHARED WITH
T0
TWO 16-BIT
COUNTERS
COUNTERS
PORT 3
SERIAL OUT
T1
I
2
C SERIAL I/O
80C652/83C652
Product specification
SDA
SCL
SHARED
PORT 1
WITH