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EM78P468N/EM78P468L
 
8-Bit Microcontroller
 
 
76 
 
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