EM78P468N/EM78P468L
8-Bit Microcontroller
76
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Product Specification (V1.5) 02.15.2007
(This specification is subject to change without further notice)
CONTENTS
.............................................................................................................III
6.1
Operational Registers ············································································································ 6
6.2
Special Purpose Registers ··································································································· 15
6.6.1
Oscillator Modes 30
6.6.2
Phase Lock Loop (PLL Mode) 30
6.6.3
Crystal Oscillator/Ceramic Resonators (Crystal) 31
6.6.4
RC Oscillator Mode with Internal Capacitor 32
6.7
Power-on Considerations····································································································· 32
6.7.1
External Power-on Reset Circuit33
6.7.2
Residue-Voltage Protection 33
6.8
Interrupt ································································································································ 34
6.9
LCD Driver···························································································································· 35
6.9.1
R9/LCDCR (LCD Control Register) 35
6.9.2
RA/LCD_ADDR (LCD Address) 36
6.9.3
RB/LCD_DB (LCD Data Buffer) 36
6.9.4
RD/SBPCR (System, Booster and PLL Control Registers) 37
6.10
Infrared Remote Control Application/PWM Waveform Generate ···················································· 41
6.11
Code Options ······················································································································· 45
6.12
Instruction Set ····················································································································· 46
6.13
Timing Diagram ··················································································································· 49
7
Absolute Maximum Ratings ············································································ 50
8
Electrical Characteristic··················································································· 51
8.1
DC Electrical Characteristics································································································ 51
8.2
AC Electrical Characteristics································································································ 53
8.3
Device Characteristic ··········································································································· 54
9
Application Circuit···························································································· 66
A
Package Type ··································································································· 67
B
Package Information ························································································ 68
C
EM78P468N/L Program Pin List ······································································ 71
D
ICE 468XA ········································································································· 72
E
Quality Assurance and Reliability··································································· 75
E.1
Address Trap Detect ············································································································ 75