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Philips Semiconductors
User’s Manual - Preliminary -
P89LPC906/907/908GENERAL DESCRIPTION
2003 Dec 8 11
Block Diagram - P89LPC908
Port 0
Configurable I/Os
128 byte
Data RAM
1 KB Code
Flash
Internal Bus
Timer0
Timer1
Keypad
Interrupt
Power Monitor
(Power-On Reset,
Brownout Reset)
On-Chip
RC
Oscillator
Programmable
Oscillator Divider
CPU
Clock
Port 1
Configurable I/Os
Watchdog Timer
and Oscillator
UART
Analog
Comparator
Real-Time Clock/
System Timer
High Performance
Accelerated 2-clock 80C51
CPU