參數(shù)資料
型號： 935265441518
廠商： NXP SEMICONDUCTORS
元件分類： 微控制器/微處理器
英文描述： 8-BIT, FLASH, 33 MHz, MICROCONTROLLER, PQCC44
封裝： PLASTIC, LCC-44
文件頁數(shù)： 42/52頁
文件大?。?/td> 288K
代理商： 935265441518
Philips Semiconductors
Preliminary data
P89C51RB2/P89C51RC2/
P89C51RD2
80C51 8-bit Flash microcontroller family
16KB/32KB/64KB ISP/IAP Flash with 512B/512B/1KB RAM
2001 Jun 27
47
IAP CALL
PARAMETER
PROGRAM BOOT VECTOR
Input Parameters:
R0 = osc freq (integer)
R1 = 06h
R1 = 86h (WDT feed)
DPH = 00h
DPL = 01h – program boot vector
ACC = boot vector
Return Parameter
ACC = boot vector
READ DEVICE DATA
Input Parameters:
R1 = 03h
R1 = 83h (WDT feed)
DPTR = address of byte to read
Return Parameter
ACC = value of byte read
READ MANUFACTURER ID
Input Parameters:
R0 = osc freq (integer)
R1 = 00h
R1 = 80h (WDT feed)
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
R1 = 80h (WDT feed)
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
R1 = 80h (WDT feed)
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
R1 = 87h (WDT feed)
DPH = 00h
DPL = 00h (security bits)
Return Parameter
ACC = value of byte read
READ STATUS BYTE
Input Parameters:
R0 = osc freq (integer)
R1 = 07h
R1 = 87h (WDT feed)
DPH = 00h
DPL = 01h (status byte)
Return Parameter
ACC = value of byte read
READ BOOT VECTOR
Input Parameters:
R0 = osc freq (integer)
R1 = 07h
R1 = 87h (WDT feed)
DPH = 00h
DPL = 02h (boot vector)
Return Parameter
ACC = value of byte read
相關PDF資料
PDF描述
935267813551 8-BIT, FLASH, 33 MHz, MICROCONTROLLER, PQFP44
935267811551 8-BIT, FLASH, 33 MHz, MICROCONTROLLER, PQFP44
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935265441112 8-BIT, FLASH, 33 MHz, MICROCONTROLLER, PQCC44
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