Philips P89LPC902, P89LPC901, P89LPC903 user manual Table of Contents

Philips Semiconductors		User’s Manual - Preliminary -
Table of Contents		P89LPC901/902/903
	Table of Contents
1.	General Description	7
	Pin Configurations	7
	Product comparison	8
	Pin Descriptions - P89LPC901	12
	Pin Descriptions - P89LPC902	14
	Pin Descriptions - P89LPC903	15
	Special Function Registers	16
	Special Function Registers Table - P89LPC901	16
	Special Function Registers Table - P89LPC902	19
	Special Function Registers Table - P89LPC903	22
	Memory Organization	25
2.	Clocks	27
	Enhanced CPU	27
	Clock Definitions	27
	CPU Clock (OSCCLK)	27
	Low Speed Oscillator Option - P89LPC901	27
	Medium Speed Oscillator Option - P89LPC901	27
	High Speed Oscillator Option - P89LPC901	27
	Oscillator Option Selection- P89LPC901	28
	Clock Output - P89LPC901	28
	On-Chip RC oscillator Option	28
	Watchdog Oscillator Option	29
	External Clock Input Option - P89LPC901	29
	CPU Clock (CCLK) Wakeup Delay	32
	CPU Clock (CCLK) Modification: DIVM Register	32
	Low Power Select (P89LPC901)	33
3.	Interrupts	35
	Interrupt Priority Structure	35
	External Interrupt Inputs	37
	External Interrupt Pin Glitch Suppression	37
4.	I/O Ports	39
	Port Configurations	39
	Quasi-Bidirectional Output Configuration	39
	Open Drain Output Configuration	40
	Input-Only Configuration	41
	Push-Pull Output Configuration	41
	Port 0 Analog Functions	41
	Additional Port Features	42
5. Timers 0 and 1		45
	Mode 0	46
	Mode 2	46
	Mode 3	47

2003 Dec 8 2