FlashDrive Product Manual
FlashDrive Product Manual © 1999 SANDISK CORPORATION
26
Table 4-2 Signal Descriptions (continued)
Signal Name
Dir
Pin
Description
-CS0
I
37
HOST CHIP SELECT 0
This is a chip select signal that is used to select the controller task
file.
-CS1
I
38
HOST CHIP SELECT 1
This is a chip select signal that is used to select the control and
diagnostic register.
-DASP
I/O
39
DISK ACTIVE/SLAVE PRESENT
This open drain output signal is asserted low any time the drive is
active. In a master/slave configuration, this signal is used by the
slave to inform the master a slave is present.
(KEY)
-
20,E,F
These pins are reserved for the connector keys.
GND
--
2,19,22,24,
26,30,40,43
A,D
GROUND
Vcc
--
41,42
+5 V POWER, +3.3 V POWER
Reserved
--
21,27-29,44
RESERVED
Содержание SD25B-100
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