EM78P809NP datasheet(3/75 Pages) EMC

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Contents

Product Specification (V1.0) 07.26.2005

• iii

Contents

General Description····························································································1

Features ···············································································································1

2.1

CPU ········································································································································1

2.2

Applications·····························································································································2

Pin Assignment···································································································3

Pin Description····································································································3

Function Description ··························································································5

4.1

Functional Block Diagram·······································································································5

4.2

Operating Registers················································································································6

4.3

Special Purpose Registers····································································································23

4.4

CPU Operation Mode ···········································································································27

4.5

AD Converter ························································································································29

4.6

Time Base Timer and Keytone Generator ············································································31

4.7

UART (Universal Asynchronous Receiver/Transmitter)························································33

4.8

SPI (Serial Peripheral Interface) ···························································································36

4.9

Timer/Counter 2 ····················································································································40

4.10 Timer/Counter 3 ····················································································································42

4.11 Timer/Counter 4 ····················································································································44

4.12 TCC/WDT & Prescaler··········································································································46

4.13 I/O Ports································································································································47

4.14 RESET and Wake-up············································································································47

4.15 Interrupt·································································································································54

4.16 Oscillator ·······························································································································55

4.17 Code Option Register ···········································································································58

4.18 Power-on Considerations ·····································································································59

4.19 Instruction Set ·······················································································································61

EM78P809NP Datasheet(PDF) 3 Page - ELAN Microelectronics Corp