P89LV51RD2BBC NXP Semiconductors, P89LV51RD2BBC Datasheet - Page 26

• Manufacturer Part Number: P89LV51RD2BBC
• Description: MCU 8-Bit 89LV 80C51 CISC 64KB Flash 3.3V 44-Pin TQFP Tray
• Manufacturer: NXP Semiconductors

Specifications of P89LV51RD2BBC

• Package: 44TQFP
• Device Core: 80C51
• Family Name: 89LV
• Maximum Speed: 40 MHz
• Ram Size: 1 KB
• Program Memory Size: 64 KB
• Operating Supply Voltage: 3.3 V
• Data Bus Width: 8 Bit
• Program Memory Type: Flash
• Number Of Programmable I/os: 32
• Interface Type: SPI/UART
• Operating Temperature: 0 to 70 °C
• Number Of Timers: 3

NXP Semiconductors
P89LV51RB2_RC2_RD2_5
Product data sheet
Table 13.
IAP function
Read ID
Erase block 0
Program User Code
Read User Code
Program Security Bit, Double
Clock
IAP function calls
Rev. 05 — 15 December 2009
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
Input parameters:
R1 = 05H
DPL = 01H = security bit
DPL = 05H = Double Clock
Return parameter(s):
ACC = 00 = pass
ACC = !00 = fail
P89LV51RB2/RC2/RD2
8-bit microcontrollers with 80C51 core
© NXP B.V. 2009. All rights reserved.
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