EM78451AP EMC [ELAN Microelectronics Corp], EM78451AP Datasheet - Page 32
EM78451AP
Manufacturer Part Number
EM78451AP
Description
8-Bit Microcontroller
Manufacturer
EMC [ELAN Microelectronics Corp]
Datasheet
1.EM78451AP.pdf
(54 pages)
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EM78451
8-Bit Microcontroller
28 •
as 00
ORG 0X30
INIT:
MOV A,@0X00
MOV 0X0B,A
BS 0X0D,4
NOP
JBC 0X0D,4
JMP $-2
BS 0X0D,4
BC 0X03,2
MOV A,0X0A
MOV 0X06,A
XOR A,@0XAA
JBS 0X03,2
JMP $-6
JMP SPI
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
;Move 00 to write buffer in order to keep master’s read buffer
;Keep SSE at 1 to wait for SCK signal in order to shift data
;Polling loop for checking SPI transmission completed
;Keep SSE at 1 to wait for SCK signal in order to shift data
;Read master’s data from read buffer
;Check pass signal from read buffer
(This specification is subject to change without further notice)
Product Specification (V1.2) 05.27.2004
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