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參數(shù)資料
| 型號： | HB288032MM1 |
| 元件分類： | PROM |
| 英文描述： | FLASH 2.7V PROM CARD, XMA7 |
| 封裝： | CARD-7 |
| 文件頁數(shù)： | 34/80頁 |
| 文件大?。?/td> | 236K |
| 代理商： | HB288032MM1 |
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HB288032MM1
4
Interface
The HB288032MM1 interface can operate in two different modes:
MultiMediaCard mode
SPI mode
Both modes are using the same pins. The default mode is the MultiMediaCard mode. The SPI mode is
selected by activating (= 0) the CS signal (Pin1) and sending the CMD0.
MultiMediaCard Mode
In the HB288032MM1, all data is transferred over a minimal number of lines:
CLK: with each cycle of this signal an one bit transfer on the command and data lines is done. The
frequency may vary between zero and the maximum clock frequency. The MultiMediaCard bus master
is free to generate these cycles without restrictions in the range of 0 to 20 MHz.
CMD: is a bidirectional command channel used for card initialization and data transfer commands.
The CMD signal has two operation modes: open drain for initialization mode and push pull for fast
command transfer. Commands are sent from the MultiMediaCard bus master to the HB288032MM1
and responses vice versa.
DAT: is a bidirectional data channel with a width of one line. The DAT signal of the HB288032MM1
operates in push pull mode.
Interf
ace
dr
iv
er
MultiMediaCard Host
ROD
RDAT
RCMD
1 2 3 4 5 6 7
HB288032MM1
CMD
CLK
DAT
MultiMediaCard Mode Interface
All MultiMediaCards are connected directly to the lines of the MultiMediaCard bus. The following table
defines the card contacts.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| HB288064A5 | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:FLASH ATA Card |
| HB288064A6 | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:FLASH ATA Card |
| HB288064C5 | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:CompactFlash⑩ |
| HB288064C6 | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:CompactFlash⑩ |
| HB288064MM1 | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:MultiMediaCard 64 MByte |
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