EM78P809N
8-Bit Microcontroller
CONTENTS............................................................................................................ III
1 General Description····························································································1
2 Features···············································································································1
2.1 CPU ········································································································································1
2.2 Applications·····························································································································2
3 Pin Assignment···································································································3
4 Pin Description····································································································3
4 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
5 Absolute Maximum Ratings·············································································63
5.1 Absolute Maximum Ratings··································································································63
5.2 Recommended Operating Conditions···················································································63
6 Electrical Characteristics·················································································64
6.1 DC Electrical Characteristics ································································································64
6.2 AC Electrical Characteristic ··································································································67
6.3
Timing Diagram····················································································································68
70 •
Product Specification (V1.0) 07.26.2005
(This specification is subject to change without further notice)
ELAN [ ELAN MICROELECTRONICS CORP ]
