Appendix A Page A-1
1994-98 Sycard Technology M200041-00
Appendix A
A. CompactFlash 50-Pin Interface
Pin Name Description Pin Name Description
1GND Ground 26 CD1# Card Detect 1
2D03 Data Bit 3 27 D11 Data Bit 11
3D04 Data Bit 4 28 D12 Data Bit 12
4D05 Data Bit 5 29 D13 Data Bit 13
5D06 Data Bit 6 30 D14 Data Bit 14
6D07 Data Bit 7 31 D15 Data Bit 15
7CE1# Card Enable 1 32 CE2# Card Enable 2
8A10 Address Bit 10 33 VS1# Voltage Sense 1
9OE# Output Enable 34 IORD# I/O Read Strobe
10 A09 Address Bit 9 35 IOWR# I/O Write Strobe
11 A08 Address Bit 8 36 WE# Write Enable
12 A07 Address Bit 7 37 RDY/BSY/IREQ Ready/Busy/Interupt Request
13 VCC Card Power 38 VCC Card Power
14 A06 Address Bit 6 39 CSEL# Master Slave Select
15 A05 Address Bit 5 40 VS2# Voltage Sense 2
16 A04 Address Bit 4 41 RESET Card Reset
17 A03 Address Bit 3 42 WAIT# Extend Bus Cycle
18 A02 Address Bit 2 43 INPACK# Input Port Acknowledge
19 A01 Address Bit 1 44 REG# Register Select
20 A00 Address Bit 0 45 BVD2 Battery Voltage Detect 2
21 D00 Data Bit 0 46 BVD1 Battery Voltage Detect 1
22 D01 Data Bit 1 47 D08 Data Bit 8
23 D02 Data Bit 2 48 D09 Data Bit 9
24 WP/IOIS16 Write Protect I/O is 16 Bits 49 D10 Data Bit 10
25 CD2# Card Detect 2 50 GND Ground
