參數(shù)資料
型號: SST85LP1004A-M-C-LBTE
廠商: SILICON STORAGE TECHNOLOGY INC
元件分類: 存儲控制器/管理單元
英文描述: IDE COMPATIBLE, FLASH MEMORY DRIVE CONTROLLER, PBGA91
封裝: 12 X 24 MM, 1.30 MM HEIGHT, ROHS COMPLIANT, MO-210, LBGA-91
文件頁數(shù): 17/35頁
文件大小: 892K
代理商: SST85LP1004A-M-C-LBTE
2009 Silicon Storage Technology, Inc.
S71412-02-000
10/09
24
4 GByte NANDrive
SST85LP1004A
Data Sheet
Set-Features - EFH
This command is used by the host to establish or select certain features. Table 10 defines all features
that are supported.
Features 01H and 81H are used to enable and clear 8-bit data transfer mode. If the 01H feature com-
mand 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 drives that implement
write cache. However, features 02H and 82H have no effect in the SST85LP1004A because Write
cache is not implemented.
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 NANDrive. 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
54
32
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 10: 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 11 defines the values.
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
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.
T10.0 1412
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