參數(shù)資料
型號: MX53L06402L-50
廠商: MACRONIX INTERNATIONAL CO LTD
元件分類: PROM
英文描述: FLASH 2.7V PROM CARD, XMA7
封裝: CRAD-7
文件頁數(shù): 2/55頁
文件大?。?/td> 262K
代理商: MX53L06402L-50
10
P/N: PM1043
REV. 1.0, NOV. 25, 2003
MX53L06402
READ_BLK_PARTIAL
READ_BLK_PARTIAL defines whether partial block sizes can be used in block read.
READ_BLK_PARTIAL=0 means that only the READ_BLK_LEN block sizes can be used for block oriented data
transfers.
READ_BLK_PARTIAL=1 means that smaller blocks can be used as well. The minimum block size will be equal to
minimum addressable unit (one byte).
The MX53L06402 supports partial block read. The parameter READ_BLK_PARTIAL is permanently assigned to the
value ‘1’.
READ_BLK_MISALIGN
Defines if the data block to be read by one command can be spread over more than one physical block of the memory
device. The size of the data block is defined in READ_BLK_LEN.
READ_BLK_MISALIGN=0 signals that crossing physical block boundaries is not allowed.
READ_BLK_MISALIGN=1 signals that crossing physical block boundaries is allowed.
The MX53L06402 supports read block operations with boundary crossing. The parameter READ_BLK_MISALIGN
is permanently assigned to the value "1".
DSR_IMP
Defines if the configurable driver stage option is integrated on the card or not. If implemented a driver stage register
(DSR) must be implemented also.
DSR_IMP
DSR type
0
no DSR implemented
1
DSR implemented
Table 9: DSR implementation
The MX53L06402 output drivers are not configurable. The parameter DSR_IMP is permanently assigned to the
value"0".
C_SIZE, C_SIZE_MULT
This parameter is used to compute the card capacity. The memory capacity of the card is computed from the entries
C_SIZE, C_SIZE_MULT and READ_BLK_LEN as follows:
BLOCKLEN = 2 READBLKLEN = 512 Byte (READBLKLEN < 12)
MULT = 2 CSIZEMULT +2 = 32 (CSIZEMULT< 8)
BLOCKNR = (CSIZE+1) * MULT = 131,040
SIZE = BLOCKNR * BLOCKLEN = 67,092,480 Byte
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