EM78451AP datasheet(32/54 Pages) EMC

Part #	EM78451AP

Description	8-Bit Microcontroller

PDF	54 Pages

Scroll/Zoom	100%

Manufacturer	EMC [ELAN Microelectronics Corp]

Direct Link	http://www.emc.com.tw

Logo

32 / 54 page

EM78451

8-Bit Microcontroller

•

Product Specification (V1.2) 05.27.2004

(This specification is subject to change without further notice)

MOV A,@0X00

;Move 00 to write buffer in order to keep master’s read buffer

as 00

MOV 0X0B,A

BS 0X0D,4

;Keep SSE at 1 to wait for SCK signal in order to shift data

NOP

JBC 0X0D,4

;Polling loop for checking SPI transmission completed

JMP $-2

BS 0X0D,4

;Keep SSE at 1 to wait for SCK signal in order to shift data

BC 0X03,2

MOV A,0X0A

MOV 0X06,A

;Read master’s data from read buffer

XOR A,@0XAA

;Check pass signal from read buffer

JBS 0X03,2

JMP $-6

JMP SPI

ORG 0X30

INIT:

CLRA

IOW 0X05

IOW 0X06

MOV 0x05,A

MOV 0X06,A

MOV A,@0XFF

IOW 0X08

MOV A,@0B11001111;Set prescaler for WDT

CONTW

MOV A,@0B00010001;Disable wake-up function

IOW 0X0E

MOV A,@0B00000010;Enable external interrupt

IOW 0XF

ENI

EM78451AP Datasheet(PDF) 32 Page - ELAN Microelectronics Corp

EM78451AP Datasheet(HTML) 32 Page - ELAN Microelectronics Corp

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54

Datasheet Download

Link URL