User guide
203 Series Industrial Grade 2.5" FlashDrive Product Manual v2.0Cactus Technologies
®
8
The signal/pin assignments are listed in Table 3-6. Low active signals have a “-” prex. Pin types are
Input, Output or Input/Output. Sections 3.3.1 to 3.3.4 dene the DC characteristics for all input and
output type structures.
The following sections provide detailed information on the Cactus Technologies Industrial SSD
interface.
SSD Pin Assignments and Pin Type
3.1.
Pin
Num
Signal
Name
Pin
Type
1
-Reset
I
3
Data 7
I/O
5
Data 6
I/O
7
Data 5
I/O
9
Data 4
I/O
11
Data 3
I/O
13
Data 2
I/O
15
Data 1
I/O
17
Data 0
I/O
19
GND
21
-DMARQ
O
23
-IOW/STOP
I
25
-IOR/
-HDMARDY/
HSTROBE
I
27
IORDY/
-DDMARDY/
DSTROBE
O
29
-DMACK
I
31
IRQ
O
33
A1
I
35
A0
I
37
-CS0
I
39
-DASP
I/O
41
Vcc
43
GND
Pin
Num
Signal
Name
Pin
Type
2
GND
4
Data 8
I/O
6
Data 9
I/O
8
Data 10
I/O
10
Data 11
I/O
12
Data 12
I/O
14
Data 13
I/O
16
Data 14
I/O
18
Data 15
I/O
20
Key
22
GND
24
GND
26
GND
28
-CSEL
I
30
GND
32
(reserved)
34
-PDIAG
I/O
36
A2
I
38
-CS1
I
40
GND
42
Vcc
44
Reserved
Interface
Description03
Table 3-6. SSD Pin Assignments and Pin Type