NXP Semiconductors EVB912UF32, Руководство пользователя, Страница: 24 / 44

EVB912UF32 Evaluation Board- Rev 1 User’s Manual
18 Support Information MOTOROLA
Support Information
Table 3-1 CompactFlash Connector J11 & J13 Signal Descriptions
Pin(s)
Function
Description
1,50 GND GROUND
2 D03 DATA BIT 3 — Bidirectional
3 D04 DATA BIT 4— Bidirectional
4 D05 DATA BIT 5 — Bidirectional
5 D06 DATA BIT 6 — Bidirectional
6 D07 DATA BIT 7 — Bidirectional
7 CE1 CARD ENABLE 1 — Active low input
8 A010 ADDRESS BIT 10 — Input
9 OE OUTPUT ENABLE — Active low input
10 A09 ADDRESS BIT 9 — Input
11 A08 ADDRESS BIT 8 — Input
12 A07 ADDRESS BIT 7 — Input
13,38 VCC POWER, Software selectable for +5 or +3.3 volts
14 A06 ADDRESS BIT 6 — Input
15 A05 ADDRESS BIT 5 — Input
16 A04 ADDRESS BIT 4 — Input
17 A03 ADDRESS BIT 3 — Input
18 A02 ADDRESS BIT 2 — Input
19 A01 ADDRESS BIT 1 — Input
20 A00 ADDRESS BIT 0 — Input
21 D00 DATA BIT 0 — Bidirectional
22 D01 DATA BIT 1— Bidirectional
23 D02 DATA BIT 2 — Bidirectional
24 IOIS16 I/O OPERATION — Active low output
25 CD2 CARD DETECT 2 — Output, connected to ground inside the card
26 CD1 CARD DETECT 1 — Output, connected to ground inside the card
27 D011 DATA BIT 11 — Bidirectional
28 D012 DATA BIT 12 — Bidirectional
29 D013 DATA BIT 13 — Bidirectional
30 D014 DATA BIT 14 — Bidirectional
31 D015 DATA BIT 15 — Bidirectional
32 CE2 CARD ENABLE 2 — Active low input
33 VS1 VOLTAGE SENSE 1 — Output, grounded for 3.3V operation
34 IORD IO READ — Active low input, gates data in I/O mode
35 IOWR IO WRITE —Active low input, clocks data to the CF card
36 WE WRITE ENABLE — Active low input, used to write to configuration
registers
37 RDY/BSY READY BUSY— Active low output, Indicates the card is not ready or
could be an interrupt