參數(shù)資料
型號: SST85LP1004B-M-C-LFTE
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: 14 X 24 MM, 1.30 MM HEIGHT, ROHS COMPLIANT, BGA-91
文件頁數(shù): 19/36頁
文件大?。?/td> 910K
代理商: SST85LP1004B-M-C-LFTE
2010 Silicon Storage Technology, Inc.
S71420-01-000
04/10
26
4 GByte NANDrive
SST85LP1004B
Advance Information
Features 02H and 82H allow the host to enable or disable write cache in the NANDrives that imple-
ment write cache. When the subcommand Disable-Write-Cache is issued, the NANDrive should ini-
tiate 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 reg-
ister. 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 com-
mand.
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.
Idle - 97H or E3H
This command causes the NANDrive to set BSY, enter the Idle mode, clear BSY and generate an
interrupt. If the sector count is non-zero, it is interpreted as a timer count with each count being 5 milli-
seconds and the automatic Power-down mode is enabled. If the sector count is zero, the automatic
Power-down mode is also enabled, the timer count is set to 3, with each count being 5 ms. Note that
this time base (5 msec) is different from the ATA specification.
Table 10: Transfer Mode Values
Mode
Bits [7:3]
Bits [2:0]
PIO default mode
00000b
000b
PIO default mode, disable IORDY
00000b
001b
PIO flow control transfer mode
00001b
mode1
1. Mode = transfer mode number, all other values are not valid
Multi-word DMA mode
00100b
mode1
Ultra-DMA mode
01000b
mode1
Reserved
Other
N/A
T10.1 1420
Bit ->
76
543210
Command (7)
97H or E3H
C/D/H (6)
XDrive
X
Cyl High (5)
X
Cyl Low (4)
X
Sec Num (3)
X
Sec Cnt (2)
Timer Count (5 msec increments)
Feature (1)
X
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