Datasheet

22
4266C–CAN–03/08
AT89C51CC03 UART Bootloader
• Instruction: LCALL FFF0h.
• At the complete API execution by the bootloader, the value to read is in the api_value
variable.
Note: No special resources are used by the bootloader during this operation
Program
Configuration
Information
• Parameter settings
• instruction: LCALL FFF0h.
Note: 1. See in the AT89C51CC03 datasheet the time that a write operation takes.
2. No special resources are used by the bootloader during these operations
__api_rd_device_id2 00h 0002h x return id2
__api_rd_device_id3 00h 0003h x return id3
__api_rd_bootloader_version 0Fh 0000h x return value
API_name R1 DPTR0 DPTR1 Acc
API Name R1 DPTR0 DPTR1 Acc
__api_set_X2 0Ah 0008h x 00h
__api_clr_X2 0Ah 0008h x 01h
__api_set_BLJB 0Ah 0004h x 00h
__api_clr_BLJB 0Ah 0004h x 01h
__api_wr_BSB 06h 0000h x value to write
__api_wr_SBV 06h 0001h x value to write
__api_wr_EB 06h 0006h x value to write
__api_wr_SSB_LEVEL0 05h FFh x x
__api_wr_SSB_LEVEL1 05h FEh x x
__api_wr_SSB_LEVEL2 05h FCh x x