EM78468AQ EMC [ELAN Microelectronics Corp], EM78468AQ Datasheet - Page 3

• Manufacturer Part Number: EM78468AQ
• Description: 8-BIT Microcontroller
• Manufacturer: EMC [ELAN Microelectronics Corp]

Contents
Product Specification (V1.1) 04.11.2005
1 GENERAL DESCRIPTION ···························································································· 1
2 FEATURES····················································································································· 1
3 PIN ASSIGNMENTS ······································································································ 3
4 FUNCTION DESCRIPTION ··························································································· 9
5 ABSOLUTE MAXIMUM RATINGS ·············································································· 56
6 ELECTRICAL CHARACTERISTIC·············································································· 57
7 Application Circuit······································································································ 60
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················································ 48
4.11 Code Options ······························································································································ 52
4.12 Instruction Set ····························································································································· 53
4.13 Timing Diagram ··························································································································· 55
6.1
6.2
A.1
A.2
B.1
B.2
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············································································································ 27
I/O Ports ······································································································································ 30
RESET and Wake-up ·················································································································· 31
Oscillator ····································································································································· 36
Power-on Considerations ············································································································ 38
Interrupt ······································································································································· 40
LCD Driver··································································································································· 42
DC ELECTRICAL CHARACTERISTICS······················································································ 57
AC Electrical Characteristics ······································································································· 59
Package Types ···························································································································· 61
Package Information···················································································································· 61
ICE 468XA Oscillator circuit (JP 5) ······························································································ 65
ICE 468XA output pin assignment (JP 3)····················································································· 67
APPENDIX A
APPENDIX B
Contents
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