EM78P341NP datasheet, PDF - EEWORLD Datasheet

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EM78P341NP: Description8-Bit Microprocessor with OTP ROM; File Size1MB，102 Pages; ManufacturerEMC [ELAN Microelectronics Corp]

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EM78P341NP Overview

8-Bit Microprocessor with OTP ROM

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EM78P341/2/3N

8-Bit Microprocessor

with OTP ROM

Product

Specification

. V

ERSION

1.0

ELAN MICROELECTRONICS CORP.

December 2006

Contents

General Description ................................................................................................ 3

Features ................................................................................................................... 3

Pin Assignment ....................................................................................................... 4

Functional Block Diagram ...................................................................................... 5

Pin Description........................................................................................................ 6

5.1

5.2

EM78P341NP/M............................................................................................... 6

EM78P342NP/M............................................................................................... 7

5.3 EM78P343NP/M/KM......................................................................................... 8

Function Description .............................................................................................. 9

6.1

Operational Registers ....................................................................................... 9

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

R0 (Indirect Address Register) .......................................................................... 9

R1 (Time Clock /Counter) ................................................................................... 9

R2 (Program Counter) and Stack ....................................................................... 9

6.1.3.1 Data Memory Configuration................................................................11

R3 (Status Register) ......................................................................................... 12

R4 (RAM Select Register) ................................................................................ 12

R5 ~ R6 (Port 5 ~ Port 6).................................................................................. 13

R7 (Port 7) ........................................................................................................ 13

R8 (AISR: ADC Input Select Register) ............................................................. 14

R9 (ADCON: ADC Control Register) ................................................................ 15

RA (ADOC: ADC Offset Calibration Register) .................................................. 17

RB (ADDATA: Converted Value of ADC) .......................................................... 17

RC (ADDATA1H: Converted Value of ADC) ..................................................... 17

RD (ADDATA1L: Converted Value of ADC) ...................................................... 18

RE (Interrupt Status 2 & Wake-up Control Register) ........................................ 18

RF (Interrupt Status 2 Register)........................................................................ 19

R10 ~ R3F ........................................................................................................ 19

A (Accumulator) ................................................................................................ 20

CONT (Control Register) .................................................................................. 20

IOC50 ~ IOC70 (I/O Port Control Register)...................................................... 21

IOC80 (Comparator and TCCA Control Register) ............................................ 21

IOC90 (TCCB and TCCC Control Register) ..................................................... 22

IOCA0 (IR and TCCC Scale Control Register)................................................. 23

IOCB0 (Pull-Down Control Register) ................................................................ 24

IOCC0 (Open-Drain Control Register) ............................................................. 24

IOCD0 (Pull-high Control Register) .................................................................. 25

6.2

Special Purpose Registers.............................................................................. 20

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

Product Specification (V1.0) 12.01.2006

•iii

Contents

6.2.10

6.2.11

6.2.12

6.2.13

6.2.14

6.2.15

6.2.16

6.2.17

6.2.18

6.2.19

6.2.20

6.2.21

IOCE0 (WDT Control & Interrupt Mask Registers 2) ........................................ 25

IOCF0 (Interrupt Mask Register) ...................................................................... 26

IOC51 (TCCA Counter) .................................................................................... 27

IOC61 (TCCB Counter) .................................................................................... 28

IOC71 (TCCBH/MSB Counter)......................................................................... 28

IOC81 (TCCC Counter) .................................................................................... 28

IOC91 (Low-Time Register).............................................................................. 29

IOCA1 (High Time Register)............................................................................. 29

IOCB1 High/Low Time Scale Control Register)................................................ 29

IOCC1 (TCC Prescaler Counter)...................................................................... 30

IOCD1 (LVD Control Register) ......................................................................... 31

IOCE1 (Output Sink Select Control Register) .................................................. 32

IOCF1 (Pull-high Control Register)................................................................... 33

6.3

6.4

6.5

TCC/WDT and Prescaler ................................................................................ 33

I/O Ports ......................................................................................................... 35

6.4.1

6.5.1

Usage of Port 5 Input Change Wake-up/Interrupt Function ............................. 37

Reset and Wake-up Operation ......................................................................... 37

6.5.1.1 Wake-up and Interrupt Modes Operation Summary.......................... 40

6.5.1.2 Register Initial Values after Reset ..................................................... 46

6.5.1.3 Controller Reset Block Diagram ........................................................ 51

The T and P Status under Status (R3) Register ............................................... 51

Reset and Wake-up ........................................................................................ 37

6.5.2

6.6

6.7

Interrupt .......................................................................................................... 52

Analog-To-Digital Converter (ADC) ................................................................. 55

6.7.1

ADC Control Register (AISR/R8, ADCON/R9, ADOC/RA)............................... 55

6.7.1.1 R8 (AISR: ADC Input Select Register) .............................................. 55

6.7.1.2 R9 (ADCON: AD Control Register).................................................... 56

6.7.1.3 RA (ADOC: AD Offset Calibration Register) ...................................... 57

ADC Sampling Time ......................................................................................... 58

AD Conversion Time......................................................................................... 58

ADC Operation during Sleep Mode .................................................................. 59

Programming Process/Considerations ............................................................. 59

6.7.6.1 Programming Process ....................................................................... 59

6.7.6.2 Sample Demo Programs ................................................................... 60

Overview........................................................................................................... 62

Function Description ......................................................................................... 63

Programming the Related Registers ............................................................... 65

Overview........................................................................................................... 66

Function Description ......................................................................................... 66

Programming the Related Registers ................................................................ 68

6.7.3

6.7.4

6.7.5

6.7.6

6.8

Infrared Remote Control Application/PWM Waveform Generation .................. 62

6.8.1

6.8.2

6.8.3

6.9

Timer/Counter................................................................................................. 66

6.9.1

6.9.2

6.9.3

•

Product Specification (V1.0) 12.01.2006

Contents

6.10 Comparator..................................................................................................... 68

6.10.1

6.10.2

6.10.3

6.10.4

6.10.5

6.11.1

6.11.2

6.11.3

6.11.4

External Reference Signal................................................................................ 69

Comparator Outputs ......................................................................................... 69

Using a Comparator as an Operation Amplifier ................................................ 70

Comparator Interrupt ........................................................................................ 70

Wake-up from Sleep Mode ............................................................................... 70

Oscillator Modes ............................................................................................... 71

Crystal Oscillator/Ceramic Resonators (Crystal) .............................................. 71

External RC Oscillator Mode ............................................................................ 73

Internal RC Oscillator Mode ............................................................................. 74

6.11 Oscillator ........................................................................................................ 71

6.12 Power-on Considerations................................................................................ 75

6.12.1 Programmable WDT Time-out Period .............................................................. 75

6.12.2 External Power-on Reset Circuit ...................................................................... 75

6.12.3 Residual Voltage Protection ............................................................................. 76

6.13 Code Option ................................................................................................... 77

6.13.1 Code Option Register (Word 0) ........................................................................ 77

6.13.2 Code Option Register (Word 1) ........................................................................ 78

6.13.3 Customer ID Register (Word 2) ........................................................................ 79

6.14 Low Voltage Detector...................................................................................... 80

6.14.1 Low Voltage Reset............................................................................................ 80

6.14.2 Low Voltage Detector........................................................................................ 80

6.14.2.1 IOCD1 (LVD Control Register) .......................................................... 80

6.14.2.2 RE (Interrupt Status 2 & Wake-up Control Register) ......................... 81

6.14.3 Programming Process ...................................................................................... 82

6.15 Instruction Set................................................................................................. 83

Absolute Maximum Ratings.................................................................................. 85

DC Electrical Characteristics................................................................................ 85

8.1

8.2

8.3

AD Converter Characteristics ......................................................................... 86

Comparator (OP) Characteristics.................................................................... 87

Device Characteristics .................................................................................... 88

AC Electrical Characteristic.................................................................................. 89

Timing Diagrams ................................................................................................... 90

Product Specification (V1.0) 12.01.2006

•v

EM78P341NP Related Products

	EM78P341NP	EM78P342NP	EM78P341NM	EM78P341
Description	8-Bit Microprocessor with OTP ROM	8-Bit Microprocessor with OTP ROM	8-Bit Microprocessor with OTP ROM	8-Bit Microprocessor with OTP ROM

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