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GD5F1GQ4REFIG Datasheet(Arkusz danych) 28 Page - GigaDevice Semiconductor (Beijing) Inc.

Numer części GD5F1GQ4REFIG
Szczegółowy opis  SPI(x1/x2/x4) NAND Flash
Pobierz  53 Pages
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Producent  GIGADEVICE [GigaDevice Semiconductor (Beijing) Inc.]
Strona internetowa  http://www.gigadevice.com/
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SPI(x1/x2/x4) NAND Flash
1G
28
10.5 Internal Data Move
The INTERNAL DATA MOVE command sequence programs or replaces data in a page with existing data. The
INTERNAL DATA MOVE command sequence is as follows:
• 13H (PAGE READ to cache)
• Optional 84H/C4H/34H(PROGRAM LOAD RANDOM DATA)
• 06H (WRITE ENABLE)
• 10H (PROGRAM EXECUTE)
• 0FH (GET FEATURE command to read the status)
Prior to performing an internal data move operation, the target page content must be read out into the cache register by
issuing a PAGE READ (13H) command. The PROGRAM LOAD RANDOM DATA (84H/C4H/72H) command can be
issued, if user wants to update bytes of data in the page. New data is loaded in the 12-bit column address. If the random
data is not sequential, another PROGRAM LOAD RANDOM DATA (84H/C4H/72H) command must be issued with the
new column address. After the data is loaded, the WRITE ENABLE command must be issued, and then a PROGRAM
EXECUTE (10H) command can be issued to start the programming operation.
10.6 Program Load Random Data (84H)
This command consists of an 8-bit Op code, followed by 4 dummy bits, and a 12-bit column address. New data is loaded in
the column address provided with the 12 bits. If the random data is not sequential, then another PROGRAM LOAD
RANDOM DATA (84H) command must be issued with a new column address, see Figure10-4 for details. This command is
only available during internal data move sequence.
Figure10-4. Program Load Random Data Sequence Diagram
Command
0
1
2
3
4
5
6
7
84H
CS#
SCLK
SI
8
9 10 11 12 13 14
22 23
3
2
1
0
0
0
MSB
26 27 28 29
25
6
5
4
3
2
1
0
30 31
24
34 35 36 37
33
38 39
32
7
6
5
4
3
2
1
0
7
CS#
SCLK
SI
Data Byte1
0
0
11 10
Data Byte2
6
5
4
3
2
1
0
7
Data Byte
2176/2112
17424
17431
Dummy<3:0>, A11-A0
Note: when internal ECC disabled the Data Byte is 2176, when internal ECC enabled the Data Byte is 2112.




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