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參數資料
型號: MC2DU032NACA
廠商: SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述: MultiMediaCard Specification
中文描述: 多媒體卡規格
文件頁數: 30/66頁
文件大小: 1422K
代理商: MC2DU032NACA
MultiMediaCard
TM
30
4.6 MultiMediaCard Communication
All communication between host and cards is controlled by the host (master). The host sends
commands and, depending on the command, receives a corresponding response from the selected
card. In this chapter the commands to control the MultiMediaCard, the card responses and the
contents of the status and error field included in the responses, are defined.
4.6.1 Commands
The command set of the MultiMediaCard system is divided into classes corresponding to the type of
card. The MultiMediaCard supports the following command classes:
Table 4-8 Command Classes
Class
Command
0
1
2
3
4
7
9
10
12
13
15
Calss 1
11
16
17
Class 2
18
Class 3
20
24
25
26
27
32
33
34
35
36
37
38
28
29
Class 6
30
Class 7
42
Class Description
Class 0
Basic
Stream read (not supported)
Block read
Stream write (not supported)
Class 4
Block write
Class 5
Erase
(not supported CMD 32~34 and 37 according to
MMC system spec 3.31)
Write protection
Lock card
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相關代理商/技術參數
參數描述
MC2DU032NACA-0QC00 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:MultiMediaCard Specification
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