微處理器 - STMicroelectronics STM8S103 - Assembly - EEPROM

參考資訊：
https://community.st.com/s/question/0D50X00009XkYDFSA3/eeprom-readwrite

暫存器


EEPROM


main.s

    .equ PD_ODR,      0x500f
    .equ PD_IDR,      0x5010
    .equ PD_DDR,      0x5011
    .equ PD_CR1,      0x5012
    .equ PD_CR2,      0x5013
    .equ UART1_DR,    0x5231
    .equ UART1_BRR1,  0x5232
    .equ UART1_BRR2,  0x5233
    .equ UART1_CR2,   0x5235
    .equ FLASH_IAPSR, 0x505f
    .equ FLASH_DUKR,  0x5064

    .area data
    .area sseg
    .area home
    int main

    .area cseg
main:
    mov PD_DDR, #0x20
    mov PD_CR1, #0x20
    mov PD_CR2, #0x20

    ; 9600bps
    mov UART1_BRR2, #0x00
    mov UART1_BRR1, #0x0d
    mov UART1_CR2, #0x08

    mov FLASH_DUKR, #0xae
    mov FLASH_DUKR, #0x56

    ; eeprom write
    ld a, #0x55
    ld 0x4000, a

loop:
    ; eeprom read
    ld a, 0x4000
    ld UART1_DR, a

    ldw x, #30000
d0:
    decw x
    jrne d0
    jp loop

完成