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ST STM32F101 series Reference Manual

ST STM32F101 series
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Secure digital input/output interface (SDIO) RM0008
585/1128 DocID13902 Rev 15
PERFORMANCE_MOVE
This 8-bit field indicates Pm (performance move) and the value can be set by 1 [MB/sec]
steps. If the card does not move used RUs (recording units), Pm should be considered as
infinity. Setting the field to FFh means infinity.
AU_SIZE
This 4-bit field indicates the AU size and the value can be selected in the power of 2 base
from 16 KB.
Table 147. Speed class code field
SPEED_CLASS Value definition
00h Class 0
01h Class 2
02h Class 4
03h Class 6
04h – FFh Reserved
Table 148. Performance move field
PERFORMANCE_MOVE Value definition
00h Not defined
01h 1 [MB/sec]
02h 02h 2 [MB/sec]
--------- ---------
FEh 254 [MB/sec]
FFh Infinity
Table 149. AU_SIZE field
AU_SIZE Value definition
00h Not defined
01h 16 KB
02h 32 KB
03h 64 KB
04h 128 KB
05h 256 KB
06h 512 KB
07h 1 MB
08h 2 MB

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ST STM32F101 series Specifications

General IconGeneral
BrandST
ModelSTM32F101 series
CategoryComputer Hardware
LanguageEnglish

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