T89C51RD2-3CBC-L ATMEL [ATMEL Corporation], T89C51RD2-3CBC-L Datasheet - Page 63
T89C51RD2-3CBC-L
Manufacturer Part Number
T89C51RD2-3CBC-L
Description
0 to 40MHz Flash Programmable 8-bit Microcontroller
Manufacturer
ATMEL [ATMEL Corporation]
Datasheet
1.T89C51RD2-3CBC-L.pdf
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T89C51RD2
63
READ copy of the device
ID # 1
READ copy of the device
ID # 2
READ copy of the device
ID # 3
READ SOFTWARE
SECURITY BITS
READ copy of the
HARDWARE SECURITY
BITS
READ BOOT VECTOR
READ BOOTLOADER
VERSION
READ BOOT STATUS
BYTE
API call
Input Parameters:
R0 = osc freq (integer Not required, left for Philips compatibility)
R1 = 00h
DPH = 00h
DPL = 01h (device ID # 1)
Return Parameter
ACC = value of byte read
Input Parameters:
R0 = osc freq (integer Not required, left for Philips compatibility)
R1 = 00h
DPH = 00h
DPL = 02h (device ID # 2)
Return Parameter
ACC = value of byte read
Input Parameters:
R0 = osc freq (integer Not required, left for Philips compatibility)
R1 = 00h
DPH = 00h
DPL = 03h (device ID # 2)
Return Parameter
ACC = value of byte read
Input Parameters:
R0 = osc freq (integer Not required, left for Philips compatibility)
R1 = 07h
DPH = 00h
DPL = 00h (Software security bits)
Return Parameter
ACC = value of byte read
Input Parameters:
R0 = osc freq (integer Not required, left for Philips compatibility)
R1 = 07h
DPH = 00h
DPL = 03h (Hardtware security bits)
Return Parameter
ACC = value of byte read
Input Parameters:
R0 = osc freq (integer Not required, left for Philips compatibility)
R1 = 07h
DPH = 00h
DPL = 02h (boot vector)
Return Parameter
ACC = value of byte read
Input Parameters:
R0 = osc freq (integer Not required, left for Philips compatibility)
R1 = 08h
Return Parameter
ACC = value of byte read
Input Parameters:
R0 = osc freq (integer Not required, left for Philips compatibility)
R1 = 07h
DPH = 00h
DPL = 01h (status byte)
Return Parameter
ACC = value of byte read
Table 33. API calls
Parameter
Rev. F - 15 February, 2001
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