EM78P468NBQ EMC [ELAN Microelectronics Corp], EM78P468NBQ Datasheet - Page 3

• Manufacturer Part Number: EM78P468NBQ
• Description: 8-BIT Microcontroller
• Manufacturer: EMC [ELAN Microelectronics Corp]

Contents
1 GENERAL DESCRIPTION··················································································· 1
2 FEATURES ·········································································································· 1
3 PIN ASSIGNMENTS····························································································· 3
4
5 ABSOLUTE MAXIMUM RATINGS····································································· 55
6 ELECTRICAL CHARACTERISTIC ···································································· 56
7 APPLICATION CIRCUIT ···················································································· 71
Product Specification (V1.2) 03.15.2005
2.1
2.2
2.3
3.1
3.2
3.3
3.4
4.1
4.2
4.3
4.4
4.5
4.6
4.7
4.8
4.9
4.10 Infrared Remote Control Application / PWM Waveform Generate ······································46
4.11 Code Options ························································································································50
4.12 Instruction Set ······················································································································51
4.13 Timing Diagram····················································································································54
6.1
6.2
6.3
APPENDIX A: ·································································································································72
APPENDIX B: ·································································································································75
APPENDIX C: ·································································································································76
FUNCTION DESCRIPTION················································································· 9
CPU ········································································································································1
LCD Circuit······························································································································2
Applications·····························································································································2
QFP - 64 ·································································································································3
LQFP - 64 ·······························································································································4
LQFP - 44 ·······························································································································5
QFP - 44 ·································································································································6
Operational Registers ···········································································································10
Special Purpose Registers····································································································19
TCC and WDT Pre-scaler ·····································································································26
I/O Ports································································································································29
RESET and Wake-up············································································································30
Oscillator ·······························································································································35
Power-on Considerations ·····································································································38
Interrupt·································································································································39
LCD Driver ····························································································································40
DC Electrical Characteristics ································································································56
AC Electrical Characteristics ································································································58
Device Characteristic ············································································································59
Contents
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