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AT89C51AC3 Datasheet(PDF) 21 Page - ATMEL Corporation

Part # AT89C51AC3
Description  Microcontrollers
PDF  26 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT89C51AC3 Datasheet(HTML) 21 Page - ATMEL Corporation

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21
4386A–8051–10/04
•
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 AT89C51AC3 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



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