參數(shù)資料
型號: EM78P451
英文描述: Dual Advanced Synchronous Rectified Buck MOSFET Drivers with Protection Features; Temperature Range: 0&degC to 70°C; Package: 16-QFN
中文描述: 8位微控制器的通用產(chǎn)品[英文]
文件頁數(shù): 22/52頁
文件大?。?/td> 1287K
代理商: EM78P451
EM78P451
OTP ROM
This specification is subject to change without prior notice.
2002/03/01
29
For Slaver
ORG 0X0
INITI:
JMP INIT
ORG 0X2
INTERRUPT:
;INTERRUPT ADDRESS
MOV A,@0X55
MOV 0X06,A
;SHOW A SIGNAL AT PORT 6 WHEN ENTERING INTERRUPT
MOV A,@0B11100110 ;ENABLE SPI, /SS DISABLED
MOV 0X0D,A
BS 0X0D,4
;KEEP SSE AT 1 TO WAIT FOR SCK SIGNAL IN ORDER TO SHIFT DATA
MOV A,@0X00
;MOVE 00 TO WRITE BUFFER IN ORDER TO KEEP MASTERS 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 MASTERS 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
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