參數(shù)資料
型號: SST58SM048-70-C-FSI
廠商: SILICON STORAGE TECHNOLOGY INC
元件分類: 存儲控制器/管理單元
英文描述: ATA-Disk Module
中文描述: FLASH MEMORY DRIVE CONTROLLER, XMA
文件頁數(shù): 16/40頁
文件大?。?/td> 377K
代理商: SST58SM048-70-C-FSI
16
Advance Information
ATA-Disk Module
SST58SM008 / 016 / 024 / 032 / 048 / 064 / 096 / 128 / 192
SST58LM008 / 016 / 024 / 032 / 048 / 064 / 096 / 128 / 192
2001 Silicon Storage Technology, Inc.
S71193-01-000
9/01
519
3.1.2.3 Feature Register (Write Only)
This register provides information regarding features of the ADM that the host can utilize.
3.1.2.4 Sector Count Register
This register contains the numbers of sectors of data requested to be transferred on a Read or Write operation
between the host and the ADM. If the value in this register is zero, a count of 256 sectors is specified. If the com-
mand was successful, this register is zero at command completion. If not successfully completed, the register con-
tains the number of sectors that need to be transferred in order to complete the request.
3.1.2.5 Sector Number (LBA 7-0) Register
This register contains the starting sector number or bits 7-0 of the Logical Block Address (LBA) for any ADM data
access for the subsequent command.
3.1.2.6 Cylinder Low (LBA 15-8) Register
This register contains the low order 8 bits of the starting cylinder address or bits 15-8 of then Logical Block
Address.
3.1.2.7 Cylinder High (LBA 23-16) Register
This register contains the high order bits of the starting cylinder address or bits 23-16 of the Logical Block Address.
3.1.2.8 Drive/Head (LBA 27-24) Register
The Drive/Head register is used to select the drive and head. It is also used to select LBA addressing instead of
cylinder/head/sector addressing. The bits are defined as follows:
Bit 7
Bit 6
This bit is set to 1.
LBA is a flag to select either Cylinder/Head/Sector (CHS) or Logical Block Address
Mode (LBA). When LBA=0, Cylinder/Head/Sector mode is selected. When LBA=1,
Logical Block Address is selected. In Logical Block Mode, the Logical Block Address is
interpreted as follows:
LBA7-LBA0: Sector Number Register D7-D0.
LBA15-LBA8: Cylinder Low Register D7-D0.
LBA23-LBA16: Cylinder High Register D7-D0.
LBA27-LBA24: Drive/Head Register bits HS3-HS0.
This bit is set to 1.
DRV is the drive number. When DRV=0 (Master), Master is selected.
When DRV=1(Slave), Slave is selected.
When operating in the Cylinder, Head, Sector mode, this is bit 3 of the head number.
It is Bit 27 in the Logical Block Address mode.
When operating in the Cylinder, Head, Sector mode, this is bit 2 of the head number.
It is Bit 26 in the Logical Block Address mode.
When operating in the Cylinder, Head, Sector mode, this is bit 1 of the head number.
It is Bit 25 in the Logical Block Address mode.
When operating in the Cylinder, Head, Sector mode, this is bit 0 of the head number.
It is Bit 24 in the Logical Block Address mode.
Bit 5
Bit 4 (DRV)
Bit 3 (HS3)
Bit 2 (HS2)
Bit 1 (HS1
Bit 0 (HS0)
D7
1
D6
LBA
D5
1
D4
DRV
D3
HS3
D2
HS2
D1
HS1
D0
HS0
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