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參數(shù)資料
| 型號： | P89C51RD2 |
| 廠商： | NXP Semiconductors N.V. |
| 元件分類： | 8位微控制器 |
| 英文描述： | 80C51 8-bit Flash microcontroller family |
| 中文描述： | 80C51的8位閃存微控制器系列 |
| 文件頁數(shù)： | 49/68頁 |
| 文件大?。?/td> | 404K |
| 代理商： | P89C51RD2 |
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Philips Semiconductors
Preliminary data
P89C51RA2/RB2/RC2/RD2xx
80C51 8-bit Flash microcontroller family
8KB/16KB/32KB/64KB ISP/IAP Flash with 512B/512B/512B/1KB RAM
2002 Jul 18
49
RECORD TYPE
COMMAND/DATA FUNCTION
03 (Cont.)
Subfunction Code = 07 (Full Chip Erase)
Erases all blocks, security bits, and sets status byte and boot vector to default values
ff = 07
ss = don’t care
dd = don’t care
Example:
:0100000307F5 full chip erase
Subfunction Code = 0C (Erase 4K Blocks)
ff = 0C
ss = block code as shown below:
Block 0 , 0k~4k , 00H
Block 1 , 4k~8k , 10H
Block 2 , 8k~12k , 20H
Block 3 , 12k~16k , 30H
Block 4 , 16k~20k , 40H
Block 5 , 20k~24k , 50H
Block 6 , 24k~28k , 60H
Block 7 , 28k~32k , 70H
Block 8 , 32k~36k , 80H
Block 9 , 36k~40k , 90H
Block 10, 40k~44k , A0H
Block 11, 44k~48k , B0H
Block 12, 48k~52k , C0H
Block 13, 52k~56k , D0H
Block 14, 56k~60k , E0H
Block 15, 60k~64k , F0H
(only available on RD2 / RC2 / RB2)
(only available on RD2 / RC2 / RB2)
(only available on RD2 / RC2)
(only available on RD2 / RC2)
(only available on RD2 / RC2)
(only available on RD2 / RC2)
(only available on RD2)
(only available on RD2)
(only available on RD2)
(only available on RD2)
(only available on RD2)
(only available on RD2)
(only available on RD2)
(only available on RD2)
Example:
:020000030C20CF (Erase 4k block #2)
04
Display Device Data or Blank Check – Record type 04 causes the contents of the entire Flash array to be sent out
the serial port in a formatted display. This display consists of an address and the contents of 16 bytes starting with that
address. No display of the device contents will occur if security bit 2 has been programmed. Data to the serial port is
initiated by the reception of any character and terminated by the reception of any character.
General Format of Function 04
:05xxxx04sssseeeeffcc
Where:
05
xxxx
04
ssss
eeee
ff
= number of bytes (hex) in record
= required field, but value is a “don’t care”
= “Display Device Data or Blank Check” function code
= starting address
= ending address
= subfunction
00 = display data
01 = blank check
02 = display data in data block (valid addresses: 0001~0FFFH)
= checksum
cc
Example 1:
:0500000440004FFF0069
Example 2:
:0500000400000FFF02E7
(the data at address 0000 is invalid)
display 4000–4FFF
display data in data block
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