參數(shù)資料
型號: P89C51RD2BP
廠商: NXP SEMICONDUCTORS
元件分類: 微控制器/微處理器
英文描述: 80C51 8-bit Flash microcontroller family 16KB/32KB/64KB ISP/IAP Flash with 512B/512B/1KB RAM
中文描述: 8-BIT, FLASH, 33 MHz, MICROCONTROLLER, PDIP40
封裝: 0.600 INCH, PLASTIC, SOT-129-1, DIP-40
文件頁數(shù): 46/52頁
文件大?。?/td> 289K
代理商: P89C51RD2BP
Philips Semiconductors
Preliminary specification
89C51RB2/89C51RC2/
89C51RD2
80C51 8-bit Flash microcontroller family
16KB/32KB/64KB ISP/IAP Flash with 512B/512B/1KB RAM
1999 Sep 23
46
IAP CALL
PARAMETER
READ MANUFACTURER ID
Input Parameters:
R0 = osc freq (integer)
R1 = 00h
DPH = 00h
DPL = 00h (manufacturer ID)
Return Parameter
ACC = value of byte read
READ DEVICE ID # 1
Input Parameters:
R0 = osc freq (integer)
R1 = 00h
DPH = 00h
DPL = 01h (device ID # 1)
Return Parameter
ACC = value of byte read
READ DEVICE ID # 2
Input Parameters:
R0 = osc freq (integer)
R1 = 00h
DPH = 00h
DPL = 02h (device ID # 2)
Return Parameter
ACC = value of byte read
READ SECURITY BITS
Input Parameters:
R0 = osc freq (integer)
R1 = 07h
DPH = 00h
DPL = 00h (security bits)
Return Parameter
ACC = value of byte read
READ STATUS BYTE
Input Parameters:
R0 = osc freq (integer)
R1 = 07h
DPH = 00h
DPL = 01h (status byte)
Return Parameter
ACC = value of byte read
READ BOOT VECTOR
Input Parameters:
R0 = osc freq (integer)
R1 = 07h
DPH = 00h
DPL = 02h (boot vector)
Return Parameter
ACC = value of byte read
FULL CHIP ERASE
Input Parameters:
R0 = osc frequency
R1 = 08h
DPH = don’t care
DPL = don’t care
Return Parameter
none
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