p89v51rb2 NXP Semiconductors, p89v51rb2 Datasheet - Page 26

• Manufacturer Part Number: p89v51rb2
• Description: 8-bit 80c51 5 V Low Power 16/32/64 Kb Flash Microcontroller With 1 Kb Ram
• Manufacturer: NXP Semiconductors

NXP Semiconductors
P89V51RB2_RC2_RD2_4
Product data sheet
Table 13.
IAP function
Read ID
Erase block 0
Program User Code
Read User Code
IAP function calls
Rev. 04 — 1 May 2007
IAP call parameters
Input parameters:
R1 = 00H
DPH = 00H
DPL = 00H = mfgr id
DPL = 01H = device id 1
DPL = 02H = boot code version number
Return parameter(s):
ACC = requested parameter
Input parameters:
R1 = 01H
Return parameter(s):
ACC = 00 = pass
ACC = !00 = fail
Input parameters:
R1 = 02H
DPH = memory address MSB
DPL = memory address LSB
ACC = byte to program
Return parameter(s):
ACC = 00 = pass
ACC = !00 = fail
Input parameters:
R1 = 03H
DPH = memory address MSB
DPL = memory address LSB
Return parameter(s):
ACC = device data
P89V51RB2/RC2/RD2
8-bit microcontrollers with 80C51 core
© NXP B.V. 2007. All rights reserved.
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