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Philips P89LPC903 User Manual

Page 4

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Philips Semiconductors

User’s Manual - Preliminary -

P89LPC901/902/903

Table of Contents

2003 Dec 8

4

Feed Sequence ....................................................................................... 84
Watchdog Timer in Timer Mode .............................................................. 87
Power down operation ............................................................................. 87
Watchdog Clock Source .......................................................................... 87
Periodic wakeup from Power down without an external oscillator ........... 89

13. Additional Features............................................................................. 91

Software Reset ........................................................................................ 91
Dual Data Pointers................................................................................... 91

14. Flash program memory ...................................................................... 93

General description.................................................................................. 93
Features................................................................................................... 93
Introduction to IAP-Lite ............................................................................ 93
Using Flash as data storage .................................................................... 93
Accessing additional flash elements........................................................ 96
Erase-programming additional flash elements ........................................ 97
Reading additional flash elements........................................................... 97
User Configuration Bytes......................................................................... 99
User Security Bytes ............................................................................... 101
Boot Vector ............................................................................................ 102
Boot Status ............................................................................................ 102

15. Instruction set ................................................................................... 103
16. Revision History................................................................................ 107
17. Index................................................................................................. 109

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