Fujitsu MB90335 Series Hardware Manual page 450

MB90335 Series
LOOP:
;----------Interrupt Program------------------------------------------------------------
WARI:
;
;
;
CODE
;----------Vector Settings------------------------------------------------------------------
VECT
VECT
CM44-10137-6E
MOV I:SCR0, #00110011B
MOV I:SSR0, #00000010B
MOV I:SODR0, #13H
MOV ILM, #07H
OR CCR, #40H
MOV A,#00H
MOV A,#01H
BRA LOOP
MOV A, SIDR0
CLRB I:REC
:
User processing
:
RETI
ENDS
CSEG ABS=0FFH
ORG 0FF60H
DSL WARI
ORG 0FFDCH
DSL START
DB 00H
ENDS
FUJITSU MICROELECTRONICS LIMITED
18.9 Example of UART Programming
; Parity none and stop bit 2 bits
; Data length 8 bits and reception clear error flag
; Enables the transmission/reception operation
; sending interrupt disabled, receiving interrupt
; enabled
; Transmission data writing
; Sets ILM in PS to level 7
; Interruption permission
; infinite loop
; Reading receive data
; The reception interrupt request flag is clear.
; Returns from interrupt.
; The vector is set in interruption #39(27
; Reset vector setting
; Set to Single-chip mode
CHAPTER 18 UART
).
H
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