em78p468l ELAN Microelectronics Corp, em78p468l Datasheet - Page 4

• Manufacturer Part Number: em78p468l
• Description: 8-bit Microcontroller
• Manufacturer: ELAN Microelectronics Corp

Contents
iv •
7
8
9
6.3
6.4
6.6
6.7
6.8
6.9
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
Absolute Maximum Ratings ······································································· 50
Electrical Characteristic ············································································· 51
8.1
8.2
8.3
Application Circuit ······················································································ 66
TCC and WDT Prescaler ................................................................................... 23
I/O Ports ............................................................................................................. 25
Oscillator ............................................................................................................ 30
Power-on Considerations .................................................................................. 32
Interrupt.............................................................................................................. 34
LCD Driver ......................................................................................................... 35
DC Electrical Characteristics ............................................................................. 51
AC Electrical Characteristics ............................................................................. 53
Device Characteristic ......................................................................................... 54
6.2.14 IOC71/TCCCR (TCC Control Register)............................................................ 19
6.2.15 IOC81/WDTCR (WDT Control Register) .......................................................... 20
6.2.16 IOC91/CNT12CR (Counters 1, 2 Control Register) ......................................... 20
6.2.17 IOCA1/HLPWTCR (High/Low Pulse Width Timer Control Register) ................ 21
6.2.18 IOCB1/P6PH (Port 6 Pull-high Control Register) ............................................. 22
6.2.19 IOCC1/P6OD (Port 6 Open Drain Control Register) ........................................ 22
6.2.20 IOCD1/P8PH (Port 8 Pull High Control Register)............................................. 22
6.2.21 IOCE1/P6PL (Port 6 Pull Low Control Register) ............................................. 22
6.6.1
6.6.2
6.6.3
6.6.4
6.7.1
6.7.2
6.9.1
6.9.2
6.9.3
6.9.4
Oscillator Modes ............................................................................................... 30
Phase Lock Loop (PLL Mode) .......................................................................... 30
Crystal Oscillator/Ceramic Resonators (Crystal) .............................................. 31
RC Oscillator Mode with Internal Capacitor ..................................................... 32
External Power-on Reset Circuit ...................................................................... 33
Residue-Voltage Protection .............................................................................. 33
R9/LCDCR (LCD Control Register) .................................................................. 35
RA/LCD_ADDR (LCD Address)........................................................................ 36
RB/LCD_DB (LCD Data Buffer)........................................................................ 36
RD/SBPCR (System, Booster and PLL Control Registers).............................. 37
Product Specification (V1.5) 01.15.2007