Table Of Contents - IBM EM78P809N Specification

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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
Product Specification (V1.0) 07.26.2005
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