ELECTRICAL SPECIFICATION SSD-PXXX(I)-3521 DATA SHEET
SILICONSYSTEMS PROPRIETARY
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3521P-02DSR PAGE 5FEBRUARY 2, 2009
ELECTRICAL SPECIFICATION
PIN ASSIGNMENTS
The following table describes the SiliconDrive PC Card 50-pin IDE connector
signals. Table 7: Pin Assignments
Pin
PC Card
Memory
Mode
PC Card
I/O Mode IDE-ATA
Mode Pin
PC Card
Memory
Mode
PC Card
I/O Mode IDE-ATA
Mode
1 GND GND GND 35 GND GND GND
2 D3 D3 D3 36 CD1# CD1# CD1#
3D4 D4 D4 37
D111D111D111
4D5 D5 D5 38
D121D121D121
5D6 D6 D6 39
D131D131D131
6D7 D7 D7 40
D141D141D141
7 CE1# CE1# CS0# 41 D151D151D151
8A10 A10 A10242 CE2# CE2# CS1#
9OE# OE# OE#243 VS1# VS1# VS1#
10 NU NU NU 44 IORD# IORD# IORD#
11 A9 A9 A9245 IOWR# IOWR# IOWR#
12 A8 A8 A8246 NU NU NU
13 NU NU NU 47 NU NU NU
14 NU NU NU 48 NU NU NU
15 WE# WE# WE#349 NU NU NU
16 RDY/BSY# IREQ INTRQ 50 NU NU NU
17 VCC VCC VCC 51 VCC VCC VCC
18 NU NU NU 52 NU NU NU
19 NU NU NU 53 NU NU NU
20 NU NU NU 54 NU NU NU
21 NU NU NU 55 NU NU NU
22 A7 A7 A7256 NU NU CSEL#
23 A6 A6 A6257 VS2# VS2# VS2#
24 A5 A5 A5258 RESET RESET RESET#
25 A4 A4 A4259 WAIT# WAIT# IORDY
26 A3 A3 A3260 INPACK# INPACK# DMARQ
27 A2 A2 A2 61 REG# REG# DMACK#