EM78P468NAQJ datasheet, PDF - EEWORLD Datasheet

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EM78P468NAQJ: Description8-Bit Microcontroller; File Size946KB，82 Pages; ManufacturerEMC [ELAN Microelectronics Corp]

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EM78P468NAQJ Overview

8-Bit Microcontroller

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EM78P468N/L

8-Bit Microcontroller

Product

Specification

. V

ERSION

1.5

ELAN MICROELECTRONICS CORP.

February 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

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

Product Specification (V1.5) 02.15.2007

•

iii

Contents

6.2.14

6.2.15

6.2.16

6.2.17

6.2.18

6.2.19

6.2.20

6.2.21

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

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

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

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 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

DC Electrical Characteristics............................................................................ 51

AC Electrical Characteristics ............................................................................ 53

Device Characteristic ....................................................................................... 54

Application Circuit······················································································· 66

•

Product Specification (V1.5) 01.15.2007

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Shortcut: 00 01 02 03 04 05 06 07 08 09 0A 0C 0F 0J 0L 0M 0R 0S 0T 0Z 10 11 12 13 14 15 16 17 18 19 1A 1B 1C 1D 1E 1F 1H 1K 1M 1N 1P 1S 1T 1V 1X 1Z 20 21 22 23 24 25 26 27 28 29 2A 2B 2C 2D 2E 2F 2G 2K 2M 2N 2P 2Q 2R 2S 2T 2W 2Z 30 31 32 33 34 35 36 37 38 39 3A 3B 3C 3D 3E 3F 3G 3H 3J 3K 3L 3M 3N 3P 3R 3S 3T 3V 40 41 42 43 44 45 46 47 48 49 4A 4B 4C 4D 4M 4N 4P 4S 4T 50 51 52 53 54 55 56 57 58 59 5A 5B 5C 5E 5G 5H 5K 5M 5N 5P 5S 5T 5V 60 61 62 63 64 65 66 67 68 69 6A 6C 6E 6F 6M 6N 6P 6R 6S 6T 70 71 72 73 74 75 76 77 78 79 7A 7B 7C 7M 7N 7P 7Q 7V 7W 7X 80 81 82 83 84 85 86 87 88 89 8A 8D 8E 8L 8N 8P 8S 8T 8W 8Y 8Z 90 91 92 93 94 95 96 97 98 99 9A 9B 9C 9D 9F 9G 9H 9L 9S 9T 9W

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