參數(shù)資料
型號(hào)： SST48CF024-C1
廠商： SILICON STORAGE TECHNOLOGY INC
元件分類： PROM
英文描述： CAP ROUND W/SHUTTER WINDOW BLU
中文描述： 12M X 16 FLASH 3.3V PROM CARD, 100 ns, XMA50
封裝： CARD-50
文件頁數(shù)： 29/60頁
文件大?。?/td> 572K
代理商： SST48CF024-C1
Data Sheet
CompactFlash Card
SST48CF008 / 016 / 024 / 032 / 048 / 064 / 096 / 128 / 192 / 256
29
2001 Silicon Storage Technology, Inc.
S71125-03-000
9/01
375
2.7 True IDE Mode I/O Transfer Function
2.7.1 True IDE Mode I/O Function
The CompactFlash card can be configured in a True IDE Mode of operation. The CompactFlash card is configured
in this mode only when the -OE input signal is grounded by the host during the power off to power on cycle. In this
True IDE Mode the PCMCIA protocol and configuration are disabled and only I/O operations to the Task File and
Data Register are allowed. In this mode no Memory or Attribute Registers are accessible to the host. Compact-
Flash cards permit 8 bit data accesses if the user issues a Set Feature Command to put the device in 8 bit Mode.
Note:
Removing and reinserting the CompactFlash card while the host computer’s power is on will reconfigure the
CompactFlash to PC Card ATA mode from the original True IDE Mode. To configure the CompactFlash card
in True IDE Mode, the 50-pin socket must be power cycled with the CompactFlash card inserted and -OE
(output enable) asserted.
Table 2-18 defines the function of the operations for the True IDE Mode.
TABLE
2-18: T
RUE
IDE M
ODE
I/O F
UNCTION
Function Code
Invalid Mode
Standby Mode
Task File Write
Task File Read
Data Register Write
Data Register Read
Control Register Write
Alt Status Read
Drive Address
-CE2
V
IL
V
IH
V
IH
V
IH
V
IH
V
IH
V
IL
V
IL
V
IL
-CE1
V
IL
V
IH
V
IL
V
IL
V
IL
V
IL
V
IH
V
IH
V
IH
A
0
-A
2
X
X
1-7H
1-7H
0
0
6H
6H
7H
-IORD
X
X
V
IH
V
IL
V
IH
V
IL
V
IH
V
IL
V
IL
-IOWR
X
X
V
IL
V
IH
V
IL
V
IH
V
IL
V
IH
V
IH
D
15
-D
8
High Z
High Z
Don’t Care
High Z
Odd Byte In
Odd Byte Out
Don’t Care
High Z
High Z
D
7
-D
0
High Z
High Z
Data In
Data Out
Even Byte In
Even Byte Out
Control In
Status Out
Data Out
T2-18.0 375
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