CM120 C-Media Electronics, Inc., CM120 Datasheet - Page 18

• Manufacturer Part Number: CM120
• Description: Usb 7-in-1 Combo Card Reader Controller
• Manufacturer: C-Media Electronics, Inc.

Date: 09/09/2003
4.4 CF/Microdrive INTERFACE PROTOCOL
Microdrive. The CF interface of the chip can be connected to either type I CF or type II Microdrive
flash card.
IDE Mode. The I/O read/write timing can be referenced on CF+ & CF SPECIFICATION REV. 1.4 .
The I/O decoding method is listed in table 7. It is obvious that the figure 8 is the read status cycle,
and the figure 9 is the write data cycle.
The CompactFlash interface contains a 50-pin connector to CompactFlash Storage Card or
The Figure 25 and Figure 26 are the I/O read/write waveform for our CF bus protocol in True
Figure 5:CpmpactFlash Storage Card Block Diagram
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USB 7-in-1 Combo Card Reader Controller
Version: 1.3
CM120