EM78P468NBQSSLASHNBQJ datasheet(13/82 Pages) EMC

13 / 82 page

EM78P468N/L

8-Bit Microcontroller

Product Specification (V1.6) 12.31.2007

• 7

(This specification is subject to change without further notice)

A11 A10 A9 A8 A7

CALL

RET

RETL

RETI

00 PAGE0 0000~03FF

01 PAGE1 0400~07FF

10 PAGE2 0800~0BFF

11 PAGE3 0C00~0FFF

STACK LEVEL1

STACK LEVEL2

STACK LEVEL3

STACK LEVEL4

STACK LEVEL5

STACK LEVEL6

STACK LEVEL7

STACK LEVEL8

Resetvector

000H

TCC ov erf lowinterrupt v ector

003H

Exteral INT0 pininterrupt v ector

006H

Exteral INT1 pininterrupt v ector

Counter 1 underf low interrupt v ector

Counter 2 underf low interrupt v ector

high pulse width timer underf low interrupt v ector

low pulse width timer underf low interrupt v ector

Port 6,Port8 pin change wake-up interrupt v ector

009H

00CH

00FH

012H

015H

018H

On-ChipProgrammemory

FFFH

Fig 6-1 Program Counter Organization

ADDRESS

0 1

0 0

0 3

0 2

0 5

0 4

0 7

0 6

0 9

0 8

0 B

0 A

0 D

0 C

0 F

0 E

IAR (Indirect Addressing Register)

TCC (Time Clock Counter)

PC (Program Counter)

SR (Status Register)

RSR (RAM select register)

PORT5 (Port 5 & IOCPAGE Control)

PORT6 (Port6 I/O data register)

PORT7 (Port7 I/O data register)

PORT8 (Port8 I/O data register)

LCDCR (LCD control register)

LCD_ADDR (LCD address)

LCD_DB (LCD data buffer)

CNTER (Counter enable register)

SBPCR (System, Booster , PLL control)

IRCR (IR, Pin of IR;INT0/1;TCC control)

ISR (interrupt status register)

16 byte common register

1 0

1 F

bank 0 ~ bank 3

32 byte common register

2 0

3 F

P5CR (Port5 I/O & LCD segment control)

P6CR (Port6 I/O control register)

P7CR (Port7 I/O control register)

P8CR (Port8 I/O control register)

RAM_ADDR (128 byte RAM address)

RAM_DB (128 byte RAM data buffer)

CNT1PR (Counter 1 preset register)

CNT2PR (Counter 2 preset register)

HPWTPR (High-pulse width timer preset)

LPWTPR (Low-pulse width timer preset)

IMR (interrupt mask register)

128 byte data RAM

LCD RAM 4*32 bits

R5 bit 0 -> 0

controlregister page 0

R5 bit 0 -> 1

controlregister page 1

CNT12CR (Counter 1,2 control register)

P6PH (Port 6 pull-high control register)

P6OD (Port 6 open drain control register)

P8PH (Port 8 pull-high control register)

P6PL (Port 6 pull-low control register)

WUCR (Wake up & P5.7 sink current)

TCCCR (TCC &INT0 control register)

WDTCR (WDT control register)

HLPWTCR (high/low pulse width timer control)

Fig. 6-2 Data Memory Configuration

EM78P468NBQS/NBQJ 数据表(PDF) 13 Page - ELAN Microelectronics Corp

EM78P468NBQS/NBQJ 数据表(HTML) 13 Page - ELAN Microelectronics Corp

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