參數(shù)資料
型號(hào)： SST55LD040M-133-C-BZJE
元件分類： 存儲(chǔ)控制器/管理單元
英文描述： IDE COMPATIBLE, FLASH MEMORY DRIVE CONTROLLER, PBGA145
封裝： 12 X 12 MM, 1.07 MM HEIGHT, ROHS COMPLIANT, TFBGA-145
文件頁(yè)數(shù)： 19/39頁(yè)
文件大小： 589K
代理商： SST55LD040M-133-C-BZJE
26
Advance Information
NAND Controller
SST55LD040M
2010 Silicon Storage Technology, Inc.
S71408-01-000
04/10
Set-Features - EFH
This command is used by the host to establish or select certain features. Table 8 defines all features that are sup-
ported.
Features 01H and 81H are used to enable and clear 8-bit data transfer mode. If the 01H feature command is issued
all data transfers will occur on the low order D7-D0 data bus and the IOCS16# signal will not be asserted for data
register accesses.
Features 02H and 82H allow the host to enable or disable write cache in the NAND Controllers that implement
write cache. When the subcommand Disable-Write-Cache is issued, the NAND Controller should initiate the
sequence to flush cache to non-volatile memory before command completion.
Feature 03H allows the host to select the transfer mode by specifying a value in the Sector Count register. The
upper 5 bits define the type of transfer and the low order 3 bits encode the mode value. One PIO mode is selected
at all times. The host may change the selected modes by the Set-Features command.
Feature 55H is the default feature for the NAND Controller. Therefore, the host does not have to issue Set-Features
command with this feature unless it is necessary for compatibility reasons.
Features 66H and CCH can be used to enable and disable whether the Power-on Reset (POR) Defaults will be set
when a software reset occurs.
Bit ->
76
5432
10
Command (7)
EFH
C/D/H (6)
XDrive
X
Cyl High (5)
X
Cyl Low (4)
X
Sec Num (3)
X
Sec Cnt (2)
Config
Feature (1)
Feature
TABLE
8: Features Supported
Feature
Operation
01H
Enable 8-bit data transfers.
02H
Enable Write cache.
03H
Set transfer mode based on value in Sector Count register. Table 9 defines the values.
05H
Enable Advanced Power Management.
09H
Enable Extended Power Operations.
55H
Disable Read Look Ahead.
66H
Disable Power-on Reset (POR) establishment of defaults at software reset.
69H
NOP - Accepted for backward compatibility.
81H
Disable 8-bit data transfer.
82H
Disable Write Cache.
85H
Disable Advanced Power Management.
89H
Disable Extended Power operations.
96H
NOP - Accepted for backward compatibility.
97H
Accepted for backward compatibility. Use of this Feature is not recommended.
AAH
Enable Read-Look-Ahead.
CCH
Enable Power-on Reset (POR) establishment of defaults at software reset.
T8.0 1408
相關(guān)PDF資料
PDF描述
SST55VD020-60-C-MVWE IDE COMPATIBLE, FLASH MEMORY DRIVE CONTROLLER, PBGA85
SST55VD020-60-I-TQWE IDE COMPATIBLE, FLASH MEMORY DRIVE CONTROLLER, PQFP100
SST55VD020-60-C-MVWE IDE COMPATIBLE, FLASH MEMORY DRIVE CONTROLLER, PBGA85
SST55VD020-60-I-TQWE IDE COMPATIBLE, FLASH MEMORY DRIVE CONTROLLER, PQFP100
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