參數(shù)資料
型號(hào)： 935267811551
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, PQFP44
封裝： PLASTIC, QFP-44
文件頁(yè)數(shù)： 42/52頁(yè)
文件大?。?/td> 288K
代理商： 935267811551
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(guān)PDF資料
PDF描述
935265437112 8-BIT, FLASH, 33 MHz, MICROCONTROLLER, PDIP40
935265441112 8-BIT, FLASH, 33 MHz, MICROCONTROLLER, PQCC44
935267812557 8-BIT, FLASH, 33 MHz, MICROCONTROLLER, PQFP44
935265429512 8-BIT, FLASH, 33 MHz, MICROCONTROLLER, PQCC44
935265435112 8-BIT, FLASH, 33 MHz, MICROCONTROLLER, PQCC44
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935269987557 制造商:NXP Semiconductors 功能描述:SUB ONLY TDA9587-1US1-V1.8 SUBBED TO 935269987557
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