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P89CV51RB2 bảng dữ liệu(PDF) 21 Page - NXP Semiconductors

tên linh kiện P89CV51RB2
Giải thích chi tiết về linh kiện  8-bit 80C51 5 V low power 64 kB flash microcontroller with 1 kB RAM, SPI, 6-clock CPU with 6/12-clock peripherals
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nhà sản xuất  NXP [NXP Semiconductors]
Trang chủ  http://www.nxp.com
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P89CV51RB2 bảng dữ liệu(HTML) 21 Page - NXP Semiconductors

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P89CV51RB2_RC2_RD2_3
© NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 03 — 25 August 2009
21 of 76
NXP Semiconductors
P89CV51RB2/RC2/RD2
80C51 with 1 kB RAM, SPI
03
Miscellaneous write functions
:nnxxxx03ffssddcc
Where:
nn = number of bytes in the record
xxxx = required field but value is a don’t care
ff = subfunction code
ss = selection code
dd = data (if needed)
cc = checksum
Subfunction code = 0C (erase 4 kB blocks)
ff=0C
ss = block code, as shown below:
block 0, 0 kB to 4 kB, 00H
block 1, 4 kB to 8 kB, 10H
block 2, 8 kB to 12 kB, 20H
block 3, 12 kB to 16 kB, 30H
block 4, 16 kB to 20 kB, 40H (only available on P89CV51RC2/RD2)
block 5, 20 kB to 24 kB, 50H (only available on P89CV51RC2/RD2)
block 6, 24 kB to 28 kB, 60H (only available on P89CV51RC2/RD2)
block 7, 28 kB to 32 kB, 70H (only available on P89CV51RC2/RD2)
block 8, 32 kB to 36 kB, 80H (only available on P89CV51RD2)
block 9, 36 kB to 40 kB, 90H (only available on P89CV51RD2)
block 10, 40 kB to 44 kB, A0H (only available on P89CV51RD2)
block 11, 44 kB to 48 kB, B0H (only available on P89CV51RD2)
block 12, 48 kB to 52 kB, C0H (only available on P89CV51RD2)
block 13, 52 kB to 56 kB, D0H (only available on P89CV51RD2)
block 14, 56 kB to 60 kB, E0H (only available on P89CV51RD2)
block 15, 60 kB to 64 kB, F0H (only available on P89CV51RD2)
Example:
:020000030C20CF (erase 4 kB block #2)
Table 11.
ISP Hex record formats …continued
Record type
Command/data function



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