微處理器 - STMicroelectronics STM8S103 - Assembly - Auto-wakeup(AWU)

暫存器


main.s

    .equ PB_ODR,  0x5005
    .equ PB_IDR,  0x5006
    .equ PB_DDR,  0x5007
    .equ PB_CR1,  0x5008
    .equ PB_CR2,  0x5009
    .equ AWU_CSR, 0x50f0
    .equ AWU_APR, 0x50f1
    .equ AWU_TBR, 0x50f2

    .area data
    .area sseg
    .area home
    int main
    int 0
    int 0
    int awu_handler

    .area cseg
main:
    mov PB_DDR, #0x20
    mov PB_CR1, #0x20 
    bset PB_ODR, #5
    mov AWU_APR, #0x3e
    mov AWU_TBR, #0x0d
    mov AWU_CSR, #0x10
    halt
loop:
    jp loop

awu_handler:
    mov AWU_CSR, #0
    bres PB_ODR, #5
    iret

完成