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Philips Semiconductors
GENERAL DESCRIPTION
Block Diagram - P89LPC903
2003 Dec 8
High Performance
Accelerated 2-clock
80C51 CPU
1KB Code
Flash
Internal Bus
Port 1
Input
Port 0
Configurable I/Os
Keypad
Interrupt
Watchdog Timer
and Oscillator
Programmable
Oscillator Divider
On-Chip
RC
Oscillator
CPU
Clock
Power Monitor
(Power-On Reset,
Brownout Reset)
11
User's Manual - Preliminary -
P89LPC901/902/903
128 byte
Data RAM
UART
Timer0
Timer1
Real-Time Clock/
System Timer
Analog
Comparators
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