EM78P142SS10J Ver la hoja de datos (PDF) - ELAN Microelectronics

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EM78P142SS10J

8-Bit Microprocessor with OTP ROM

ELAN Microelectronics 

Contents

Contents

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

2 Features ................................................................................................................... 1

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

4 Pin Description........................................................................................................ 3

4.1 EM78P142SS10 ............................................................................................... 3

5 Block Diagram ......................................................................................................... 4

6 Function Description .............................................................................................. 5

6.1 Operational Registers ....................................................................................... 5

6.1.1 R0 (Indirect Address Register) .......................................................................... 5

6.1.2 R1 (Time Clock).................................................................................................. 5

6.1.3 R2 (Program Counter) and Stack ....................................................................... 5

6.1.3.1 Data Memory Configuration................................................................. 7

6.1.4 R3 (Status Register) ........................................................................................... 8

6.1.5 R4 (RAM Select Register) .................................................................................. 8

6.1.6 R5 ~ R6 (Port 5 ~ Port 6).................................................................................... 8

6.1.7 R7 (Port 7) .......................................................................................................... 9

6.1.8 R8 (AISR: ADC Input Select Register) ............................................................. 10

6.1.9 R9 (ADCON: ADC Control Register) ................................................................ 12

6.1.10 RA (ADOC: ADC Offset Calibration Register) .................................................. 13

6.1.11 RB (ADDATA: Converted Value of ADC) .......................................................... 13

6.1.12 RC (ADDATA1H: Converted Value of ADC) ..................................................... 13

6.1.13 RD (ADDATA1L: Converted Value of ADC) ...................................................... 14

6.1.14 RE (Interrupt Status 2 and Wake-up Control Register) .................................... 14

6.1.15 RF (Interrupt Status 2 Register)........................................................................ 15

6.1.16 R10 ~ R3F ........................................................................................................ 15

6.2 Special Purpose Registers.............................................................................. 16

6.2.1 A (Accumulator) ................................................................................................ 16

6.2.2 CONT (Control Register) .................................................................................. 16

6.2.3 IOC50 ~ IOC70 (I/O Port Control Register)...................................................... 16

6.2.4 IOC80 (TCCA Control Register) ....................................................................... 17

6.2.5 IOC90 (TCCB and TCCC Control Register) ..................................................... 17

6.2.6 IOCA0 (IR and TCCC Scale Control Register)................................................. 18

6.2.7 IOCB0 (Pull-down Control Register)................................................................. 19

6.2.8 IOCC0 (Open-drain Control Register) .............................................................. 19

6.2.9 IOCD0 (Pull-high Control Register) .................................................................. 19

6.2.10 IOCE0 (WDT Control Register and Interrupt Mask Register 2)........................ 20

6.2.11 IOCF0 (Interrupt Mask Register) ...................................................................... 21

6.2.12 IOC51 (TCCA Timer) ........................................................................................ 21

6.2.13 IOC61 (TCCB Timer) ........................................................................................ 22

6.2.14 IOC71 (TCCBH/MSB Timer)............................................................................. 22

Product Specification (V1.0) 01.25.2008

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