參數(shù)資料
型號： MC1GH256DACA-2SA00
廠商： SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述： SAMSUNG MultiMediaCard
中文描述： 三星多媒體
文件頁數(shù)： 35/102頁
文件大?。?/td> 1384K
代理商： MC1GH256DACA-2SA00
MultiMediaCard
TM
35
Sep.22.2005
Revision 0.3
PWR_CL_ff_vvv
These fields define the supported power classes by the card. By default, the card has to operate at maximum frequency
using 1 bit bus configuration, within the default max current consumption, as stated in the table below. If 4 bit/8 bits bus
configurations, require increased current consumption, it has to be stated in these registers.
By reading these registers the host can determine the power consumption of the card in different bus modes. Bits [7:4]
code the current consumption for the 8 bit bus configuration. Bits [3:0] code the current consumption for the 4 bit bus con-
figuration
The PWR_52_vvv registers are not defined for 26MHz MultiMediaCards.
The measurement for max RMS current is done as average RMS current consumption over a period of 100ms.
Max peak current is defined as absolute max value not to be exceeded at all.
The conditions under which the power classes are defined are:
Maximum bus frequency
Maximum operating voltage
Worst case functional operation
Worst case environmental parameters (temperature,...)
These registers define the maximum power consumption for any protocol operation in data transfer mode, Ready state
and Identification state.
Voltage
3.6V
Value
0
1
2
3
4
5
6
7
8
9
10
11-15
0
1
2
3
4
5
6
7
8
9
10
6-15
Max RMS Current
100 mA
120 mA
150 mA
180 mA
200 mA
220 mA
250 mA
300 mA
350 mA
400 mA
450 mA
Max Peak Current
200 mA
220 mA
250 mA
280 mA
300 mA
320 mA
350 mA
400 mA
450 mA
500 mA
550 mA
Remarks
Default current consumption for high voltage cards
Reserved for future use
Default current consumption for Dual voltage cards
1.95V
65 mA
70 mA
80 mA
90 mA
100 mA
120 mA
140 mA
160 mA
180 mA
200 mA
250 mA
130 mA
140 mA
160 mA
180 mA
200 mA
220 mA
240 mA
260 mA
280 mA
300 mA
350 mA
Reserved for future use
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