Ampro Little Board 700, Справочное руководство

Страница: 42 / 90

Chapter 3 Hardware
36 Reference Manual LittleBoard 700
CompactFlash Adapter (J23)
The board contains a Type II PC card socket, which allows for the insertion of a CompactFlash Card.
The CompactFlash Card acts as a standard IDE Drive and is connected to the primary IDE bus. If a
CompactFlash card is installed, only one additional IDE drive may be added to the primary bus.
Jumpers are used to select the Master/Slave mode and the voltage selection (+5V or +3.3V). Refer to
Table 2-4, Jumper Settings for more information.
Table 3-11. CompactFlash Interface Pin/Signal Descriptions (J23)
Pin # Signal Description
1 GND Digital Ground
2 D3 Disk Data – These signals (0 to 15) provide the disk data signals
3 D4 Disk Data – These signals (0 to 15) provide the disk data signals
4 D5 Disk Data – These signals (0 to 15) provide the disk data signals
5 D6 Disk Data – These signals (0 to 15) provide the disk data signals
6 D7 Disk Data – These signals (0 to 15) provide the disk data signals
7 CS1* Chip Select (Determined by setting of JP4)
8 GND Digital Ground
9 GND Digital Ground
10 GND Digital Ground
11 GND Digital Ground
12 GND Digital Ground
13 VCC +5 or +3.3 volts ±5% (Determined by setting of JP3)
14 GND Digital Ground
15 GND Digital Ground
16 GND Digital Ground
17 GND Digital Ground
18 A2 Address select 2
19 A1 Address select 1
20 A0 Address select 0
21 D0 Disk Data – These signals (0 to 15) provide the disk data signals
22 D1 Disk Data – These signals (0 to 15) provide the disk data signals
23 D2 Disk Data – These signals (0 to 15) provide the disk data signals
24 NC Not connected
25 GND Digital Ground
26 NC Not connected
27 D11 Disk Data – These signals (0 to 15) provide the disk data signals
28 D12 Disk Data – These signals (0 to 15) provide the disk data signals