EM78P468NBQSSLASHNBQJ datasheet(3/82 Pages) EMC

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Contents

Product Specification (V1.6) 12.31.2007

• iii

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

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

6.1.2

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

6.1.3

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

6.1.4

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

6.1.5

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

6.1.6

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

6.1.7

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

6.1.8

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

6.1.9

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

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

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

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

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

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

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

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

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

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

6.2.1

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

6.2.2

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

6.2.3

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

6.2.4

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

6.2.5

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

6.2.6

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

6.2.7

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

6.2.8

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

6.2.9

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

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

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

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

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

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

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