参数资料
型号: AT89EB5114-TGSIL
厂商: ATMEL CORP
元件分类: 微控制器/微处理器
英文描述: Low-pin-count 8-bit microcontroller with A/D converter
中文描述: 8-BIT, FLASH, 40 MHz, MICROCONTROLLER, PDSO20
封装: SO-20
文件页数: 77/95页
文件大小: 1126K
代理商: AT89EB5114-TGSIL
77
4311A–8051–01/05
Figure 36.
Hardware Programming Procedure
Reading the Flash Spaces
User
The following procedure is used to read the User space and is summarized in Figure 37:
Map the User space by writing 00h in FCON register.
Read one byte in Accumulator by executing MOVC A,@A+DPTR with A= 0
& DPTR= 0000h to FFFFh.
Extra Row
The following procedure is used to read the Extra Row space and is summarized in
Figure 37:
Map the Extra Row space by writing 02h in FCON register.
Read one byte in Accumulator by executing MOVC A,@A+DPTR with A= 0
& DPTR= FF80h to FFFFh.
Clear FCON to unmap the Extra Row.
Hardware Security Byte
Flash Spaces Programming
Disable IT
EA= 0
Launch Programming
FCON= 54h
FCON= A4h
End Programming
Enable IT
EA= 1
FBusy
Cleared
Erase Mode
FCON = 00h
Data Load
DPTR= 00h
ACC= Data
Exec: MOVX @DPTR, A
FCON = 0Ch
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