p89v51rb2 NXP Semiconductors, p89v51rb2 Datasheet - Page 24

• 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 12.
Record type
05
06
07
08
ISP hex record formats
Command/data function
Miscellaneous Read Functions
:02xxxx05ffsscc
Where:
02 = number of bytes in the record
xxxx = required field but value is a ‘don’t care’
05 = function code for misc read
ffss = subfunction and selection code
cc = checksum
Example:
:020000050000F9 (display manufacturer id)
Direct Load of Baud Rate
:02xxxx06HHLLcc
Where:
02 = number of bytes in the record
xxxx = required field but value is a ‘don’t care’
HH = high byte of timer
LL = low byte of timer
cc = checksum
Example:
:02000006FFFFcc (load T2 = FFFF)
Reset serial number, erase user code, clear SoftICE mode
:xxxxxx07cc
Where:
xxxxxx = required field but value is a ‘don’t care’
07 = reset serial number function
cc = checksum
Example:
:00000007F9
Verify serial number
:nnxxxx08ss..sscc
Where:
xxxxxx = required field but value is a ‘don’t care’
08 = verify serial number function
ss..ss = serial number contents
cc = checksum
Example:
:03000008010203EF (verify s/n = 010203)
0000 = read manufacturer id
0001 = read device id 1
0002 = read bootcode version
0700 = read security bit (00 SoftICE serial number match 0 SB 0 Double Clock)
Rev. 04 — 1 May 2007
…continued
P89V51RB2/RC2/RD2
8-bit microcontrollers with 80C51 core
© NXP B.V. 2007. All rights reserved.
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