參數(shù)資料
型號(hào): HB288032MM1
元件分類: PROM
英文描述: FLASH 2.7V PROM CARD, XMA7
封裝: CARD-7
文件頁數(shù): 10/80頁
文件大?。?/td> 236K
代理商: HB288032MM1
HB288032MM1
18
DEFAULT_ECC
Set by the card manufacturer and defines the ECC code which is recommended to use (e.g. the device is
tested for). The value is set to ‘0’, indicating that no designated ECC is recommended.
R2W_FACTOR
Defines the typical block program time as a multiple of the read access time. The following table defines
the field format.
R2W_FACTOR
Multiples of read access time
01
1
2 (write half as fast as read)
24
38
416
532
6, 7
reserved
This parameter value is 2 for the HB288032MM1.
WRITE_BLK_LEN
The data block length is computed as 2
WRITE_BLK_LEN.
Data Block Length
WRITE_BLK_LEN
Block length
Remark
02
0 = 1 byte
12
1 = 2 bytes
......
11
2
11 = 2048 bytes
12–15
reserved
The block length might therefore be in the range 1, 2, 4...2048 bytes. This parameter defines the block
length if WRITE_BLK_PARTIAL is not set. If WRITE_BLK_PARTIAL is set this parameter contains the
maximum allowed value of the block length in bytes. All block lengths between one and this value are
permitted. The actual block size is programmed by the command SET_BLOCKLEN (CMD16). The
HB288032MM1 supports blocks with the length 512 bytes.
The parameter WRITE_BLK_LEN is
permanently assigned to the value 0x9.
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