EM78P468LH datasheet, PDF - EEWORLD Datasheet

Datasheet> All Categories > EM78P468LH

Preview

EM78P468LH: Description8-Bit Microcontroller; File Size862KB，82 Pages; ManufacturerEMC [ELAN Microelectronics Corp]

Download Datasheet Compare View All

EM78P468LH Overview

8-Bit Microcontroller

Preview

Download Datasheet

View All

EM78P468N/L

8-Bit Microcontroller

Product

Specification

. V

ERSION

1.6

ELAN MICROELECTRONICS CORP.

December 2007

Contents

General Description .................................................................................................. 1

Features ..................................................................................................................... 1

Pin Assignment ......................................................................................................... 2

Block Diagram ........................................................................................................... 3

Pin Description.......................................................................................................... 4

Function Description ................................................................................................ 6

6.1

Operational Registers......................................................................................... 6

6.1.1

6.1.2

6.1.3

6.1.4

6.1.5

6.1.6

6.1.7

6.1.8

6.1.9

6.1.10

6.1.11

6.1.12

6.1.13

6.1.14

6.1.15

6.1.16

6.1.17

R0/IAR (Indirect Addressing Register) ................................................................6

R1/TCC (Timer Clock Counter) ...........................................................................6

R2/PC (Program Counter)...................................................................................6

R3/SR (Status Register) .....................................................................................8

R4/RSR (RAM Select Register) ..........................................................................9

R5/Port 5 (Port 5 I/O Data and Page of Register Select.....................................9

R6/Port 6 (Port 6 I/O Data Register) ...................................................................9

R7/Port 7 (Port 7 I/O Data Register) ...................................................................9

R8/Port 8 (Port 8 I/O Data Register) .................................................................10

R9/LCDCR (LCD Control Register)...................................................................10

RA/LCD_ADDR (LCD Address) ........................................................................11

RB/LCD_DB (LCD Data Buffer) ........................................................................11

RC/CNTER (Counter Enable Register).............................................................11

RD/SBPCR (System, Booster and PLL Control Register) ................................12

RE/IRCR (IR and Port 5 Setting Control Register) ...........................................13

RF/ISR (Interrupt Status Register) ....................................................................14

Address: 10h~3Fh; R10~R3F (General Purpose Register) ..............................14

A (Accumulator).................................................................................................15

IOC50/P5CR (Port 5 I/O and Ports 7, 8 for LCD Segment Control Register)..15

IOC60/P6CR (Port 6 I/O Control Register) .......................................................16

IOC70/P7CR (Port 7 I/O Control Register) .......................................................16

IOC80/P8CR (Port 8 I/O Control Register) .......................................................16

IOC90/RAM_ADDR (128 Bytes RAM Address) ................................................16

IOCA0/RAM_DB (128 Bytes RAM Data Buffer)................................................16

IOCB0/CNT1PR (Counter 1 Preset Register)...................................................17

IOCC0/CNT2PR (Counter 2 Preset Register)...................................................17

IOCD0/HPWTPR (High-Pulse Width Timer Preset Register) ...........................17

IOCE0/LPWTPR (Low-Pulse Width Timer Preset Register) .............................18

IOCF0/IMR (Interrupt Mask Register) ...............................................................18

IOC61/WUCR (Wake-up and Sink Current of P5.7/IROUT Control Register) .18

IOC71/TCCCR (TCC Control Register) ............................................................19

IOC81/WDTCR (WDT Control Register)...........................................................20

IOC91/CNT12CR (Counters 1, 2 Control Register) ..........................................20

•

iii

6.2

Special Purpose Registers ............................................................................... 15

6.2.1

6.2.2

6.2.3

6.2.4

6.2.5

6.2.6

6.2.7

6.2.8

6.2.9

6.2.10

6.2.11

6.2.12

6.2.13

6.2.14

6.2.15

6.2.16

Product Specification (V1.6) 12.31.2007

Contents

6.2.17

6.2.18

6.2.19

6.2.20

6.2.21

IOCA1/HLPWTCR (High/Low Pulse Width Timer Control Register)................21

IOCB1/P6PH (Port 6 Pull-high Control Register)..............................................22

IOCC1/P6OD (Port 6 Open Drain Control Register).........................................22

IOCD1/P8PH (Port 8 Pull High Control Register) .............................................22

IOCE1/P6PL (Port 6 Pull Low Control Register) ...............................................22

6.3

6.4

6.6

TCC and WDT Prescaler.................................................................................. 23

I/O Ports ........................................................................................................... 25

Oscillator .......................................................................................................... 30

6.6.1

6.6.2

6.6.3

6.6.4

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

6.7

Power-on Considerations ................................................................................. 32

6.7.1

6.7.2

6.8

6.9

Interrupt ............................................................................................................ 34

LCD Driver........................................................................................................ 35

6.9.1

6.9.2

6.9.3

6.9.4

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

6.10 Infrared Remote Control Application/PWM Waveform Generation.................. 41

6.11 Code Options ................................................................................................... 45

6.12 Instruction Set ................................................................................................. 46

6.13 Timing Diagram ................................................................................................ 49

Absolute Maximum Ratings ................................................................................... 50

Electrical Characteristic ......................................................................................... 50

8.1

8.2

DC Electrical Characteristics............................................................................ 50

AC Electrical Characteristics ............................................................................ 52

8.3 Device Characteristic ....................................................................................... 53

Application Circuit .................................................................................................. 65

APPENDIX

Package Type........................................................................................................... 66

Package Information............................................................................................... 67

EM78P468N/L Program Pin List ............................................................................. 72

ICE 468XA ................................................................................................................ 73

Quality Assurance and Reliability ......................................................................... 76

E.1 Address Trap Detect......................................................................................... 76

•

Product Specification (V1.6) 12.31.2007

EM78P468LH Related Products

	EM78P468LH	EM78P468N_0712
Description	8-Bit Microcontroller	8-Bit Microcontroller

Recommended Resources

Four-digit display capacitance meter circuit

A design method for electronic mosquito killing circuit

XQB1 type protection box circuit b

Motor string reactance decompression starting circuit

Frequency shift keying modulation regulator circuit using XR-2211 and XR-2206

JSJ10 type transistor time relay circuit

Drawing with Arduino: Have you ever thought about learning to paint like an artist if you have not received any training in painting?Now Arduino gives you this opportunity, which is very convenient if you are a teacher and...; 凯哥 Creative Market

I suggest that the forum develop a mobile app.: I suggest that the forum develop a mobile app, so that it is convenient to view posts on mobile phones. It is always necessary to search everywhere when using a browser, and it would be much more conv...; 邶风 Suggestions & Announcements

How to generate configuration files for FPGA: Since the internal program of FPGA is erased when the power is turned off, how to use the microcontroller to configure the FPGA after the written FPGA program is powered on?...; eeleader FPGA/CPLD

【SensorTag】Turn SensorTag into a development tool!: [color=#666666][url=https://bbs.eeworld.com.cn/thread-427779-1-1.html]【SensorTag】[/url][/color]让[color=#666666][url=https://bbs.eeworld.com.cn/thread-427779-1-1.html]SensorTag[/url][/color] becomes a ...; 蓝雨夜 Wireless Connectivity

GPS multi-function locator: I did a competition in the previous stage. The original name was GPS Multi-function Navigator. The processor was F28027. However, the judges of Zhejiang University thought that I did not realize the n...; liuming759 Microcontroller MCU

I'd like to know how to install or develop a flash animation plug-in for WinCE IE browser? Or is there any third-party company? Thank you!: Just as the title says, thank you!...; catcat0123 Embedded System

Shortcut: A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 AA AB AC AD AE AF AG AH AI AJ AK AL AM AN AO AP AQ AR AS AT AU AV AW AX AY AZ B0 B1 B2 B3 B4 B5 B6 B7 B8 B9 BA BB BC BD BE BF BG BH BI BJ BK BL BM BN BO BP BQ BR BS BT BU BV BW BX BY BZ C0 C1 C2 C3 C4 C5 C6 C7 C8 C9 CA CB CC CD CE CF CG CH CI CJ CK CL CM CN CO CP CQ CR CS CT CU CV CW CX CY CZ D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 DA DB DC DD DE DF DG DH DI DJ DK DL DM DN DO DP DQ DR DS DT DU DV DW DX DZ

Popular Components