參數(shù)資料
型號: SST55LD019C-45-I-BWE
廠商: SILICON STORAGE TECHNOLOGY INC
元件分類: 存儲控制器/管理單元
英文描述: FLASH MEMORY DRIVE CONTROLLER, PBGA84
封裝: LEAD FREE, MO-210, TFBGA-84
文件頁數(shù): 14/76頁
文件大?。?/td> 711K
代理商: SST55LD019C-45-I-BWE
Advance Information
ATA Flash Disk Controller
SST55LD019A / SST55LD019B / SST55LD019C
2004 Silicon Storage Technology, Inc.
S71241-02-000
4/04
21
11.1.2.11 Drive Address Register (Read Only)
This register contains the inverted drive select and head select addresses of the currently selected drive. The bits
in this register are as follows:
Symbol
Function
-WTG
This bit is 0 when a Write operation is in progress, otherwise, it is 1.
-HS3
This bit is the negation of bit 3 in the Drive/Head register.
-HS2
This bit is the negation of bit 2 in the Drive/Head register.
-HS1
This bit is the negation of bit 1 in the Drive/Head register.
-HS0
This bit is the negation of bit 0 in the Drive/Head register.
-DS1
This bit is 0 when drive 1 is active and selected.
-DS0
This bit is 0 when drive 0 is active and selected.
11.1.2.12 Command Register (Write Only)
This register contains the command code being sent to the drive. Command execution begins immediately after
this register is written. The executable commands, the command codes, and the necessary parameters for each
command are listed in Table 11-2.
D7
D6
D5
D4
D3
D2
D1
D0
Reset Value
X
-WTG
-HS3
-HS2
-HS1
-HS0
-DS1
-DS0
x111 1110b
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