參數(shù)資料
型號: AT89C51ED2-SMSUM
廠商: Atmel
文件頁數(shù): 17/137頁
文件大?。?/td> 0K
描述: IC 8051 MCU FLASH 64K 68PLCC
產(chǎn)品培訓(xùn)模塊: MCU Product Line Introduction
標(biāo)準(zhǔn)包裝: 304
系列: 89C
核心處理器: 8051
芯體尺寸: 8-位
速度: 60MHz
連通性: SPI,UART/USART
外圍設(shè)備: POR,PWM,WDT
輸入/輸出數(shù): 50
程序存儲器容量: 64KB(64K x 8)
程序存儲器類型: 閃存
EEPROM 大?。?/td> 2K x 8
RAM 容量: 2K x 8
電壓 - 電源 (Vcc/Vdd): 2.7 V ~ 5.5 V
振蕩器型: 外部
工作溫度: -40°C ~ 85°C
封裝/外殼: 68-PLCC
包裝: 管件
配用: AT89OCD-01-ND - USB EMULATOR FOR AT8XC51 MCU
113
4235K–8051–05/08
AT89C51RD2/ED2
PROGRAM SSB
05h
XXh
DPH = 00h
DPL = 00h
00h
ACC = SSB value
Set SSB level 1
DPH = 00h
DPL = 01h
Set SSB level 2
DPH = 00h
DPL = 10h
Set SSB level 0
DPH = 00h
DPL = 11h
Set SSB level 1
PROGRAM BSB
06h
New BSB
value
0000h
XXh
none
Program boot status byte
PROGRAM SBV
06h
New SBV
value
0001h
XXh
none
Program software boot vector
READ SSB
07h
XXh
0000h
XXh
ACC = SSB
Read Software Security Byte
READ BSB
07h
XXh
0001h
XXh
ACC = BSB
Read Boot Status Byte
READ SBV
07h
XXh
0002h
XXh
ACC = SBV
Read Software Boot Vector
PROGRAM DATA PAGE
09h
Number of
byte to
program
Address of
the first byte
to program in
the Flash
memory
Address in
XRAM of the
first data to
program
ACC = 0: DONE
Program up to 128 bytes in user Flash.
Remark: number of bytes to program is
limited such as the Flash write remains in a
single 128 bytes page. Hence, when ACC is
128, valid values of DPL are 00h, or, 80h.
PROGRAM X2 FUSE
0Ah
Fuse value
00h or 01h
0008h
XXh
none
Program X2 fuse bit with ACC
PROGRAM BLJB FUSE
0Ah
Fuse value
00h or 01h
0004h
XXh
none
Program BLJB fuse bit with ACC
READ HSB
0Bh
XXh
XXXXh
XXh
ACC = HSB
Read Hardware Byte
READ BOOT ID1
0Eh
XXh
DPL = 00h
XXh
ACC = ID1
Read boot ID1
READ BOOT ID2
0Eh
XXh
DPL = 01h
XXh
ACC = ID2
Read boot ID2
READ BOOT VERSION
0Fh
XXh
XXXXh
XXh
ACC = Boot_Version
Read bootloader version
Table 24-10. API Call Summary (Continued)
Command
R1
A
DPTR0
DPTR1
Returned Value
Command Effect
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