CM120 C-Media Electronics, Inc., CM120 Datasheet - Page 26

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

Date: 09/09/2003
4.7 MS INTERFACE PROTOCOL
4.6.2.2 Precautions when Programming Pages
4.6.2.3 Precautions for writing in the redundant section only
a. Limit of the Write Operation to the Same Page
b. Writing to Pages within a Block
command to be used to change data/pointer mode, as indicated in the following sequence.To
program the data section after writing into the redundant section, the Reset command or Read
commands (1) or (2) must be issued to reset the data pointer mode.
The data and redundant areas can only be written simultaneously for one time. If the system
configuration requires, writing to the redundant area may occur for one more time.
During the program operation,writing should be executed consecutively from a lower address
page to an upper address page. Random page programming should be avoided.
Writing only to the redundant section requires the Reset command to be input and the Read
Pin No.
10
1
2
3
4
5
6
7
8
9
Pin Name
Reserve
Reserve
SCLK
VCC
VCC
VSS
VSS
DIO
INS
BS
Pin Assignment
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USB 7-in-1 Combo Card Reader Controller
Reverse side of the card
Version: 1.3
CM120