EM78451AP EMC [ELAN Microelectronics Corp], EM78451AP Datasheet - Page 33

• Manufacturer Part Number: EM78451AP
• Description: 8-Bit Microcontroller
• Manufacturer: EMC [ELAN Microelectronics Corp]

Product Specification (V1.2) 05.27.2004
(This specification is subject to change without further notice)
SPI:
MOV A,@0B00110111
IOW 0x09
BC 0X3F,1
NOP
JBS 0X3F,1
JMP $-2
JMP INTERRUPT
BS 0X0D,4
WDTC
MOV A,@0X0F
MOV 0X06,A
JBC 0X08,1
JMP SPI
MOV A,@0X5A
MOV 0X0B,A
NOP
JBC 0X0D,4
JMP $-2
BS 0XD,4
NOP
NOP
MOV A,@0XF0
MOV 0X06,A
MOV A,@0X00
MOV 0X0B,A
NOP
JBC 0X0D,4
JMP $-2
BS 0X0D,4
BS 0x0C,7
;Clear RBFIF flag
;Polling loop for checking interrupt occurrences
;Keep SSE enabled as long as possible
;Show a signal when entering SPI loop
;Choose P81 as a signal button
;Move 5A into write buffer when P81 button is pushed
;Polling loop for checking SPI transmission completed
;Display at Port6 when P81 button is pushed
;Send a signal to master to prevent infinite loop
8-Bit Microcontroller
EM78451
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