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參數(shù)資料
| 型號： | HB28L064RM3 |
| 廠商： | Renesas Technology Corp. |
| 英文描述： | MultiMediaCard 32 MByte/64 MByte/128 MByte/256 MByte/512 MByte |
| 中文描述： | 多媒體32 MByte/64 MByte/128 MByte/256 MByte/512字節(jié) |
| 文件頁數(shù)： | 6/91頁 |
| 文件大小： | 526K |
| 代理商： | HB28L064RM3 |
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HB28K032/L064/J128/J256/J512MM3, HB28K032/L064/J128/J256RM3
Rev.0.02, Sep.15.2004, page 6 of 89
SPI Mode
The Serial Peripheral Interface (SPI) is a general-purpose synchronous serial interface originally found on
certain Motorola microcontrollers. The MultiMediaCard SPI interface is compatible with SPI hosts
available on the market. As any other SPI device the MultiMediaCard SPI interface consists of the
following four signals:
CS
: Host to card Chip Select signal.
CLK
: Host to card clock signal.
Data in
: Host to card data signal.
Data out
: Card to host data signal.
The MultiMediaCard card identification and addressing methods are replaced by a hardware Chip Select
(CS) signal. There are no broadcast commands. For every command, a card (slave) is selected by
asserting (active low) the CS signal (refer to Figure “SPI Bus System”). The CS signal must be
continuously active for the duration of the SPI transaction (command, response and data). The only
exception occurs during card programming, when the host can de-assert the CS signal without affecting the
programming process. The bidirectional CMD and DAT lines are replaced by unidirectional data in and
data out signals. This eliminates the ability of executing commands while data is being read or written and,
therefore, makes the sequential and multi block read/write operations obsolete. The single and multiple
block read/write commands are supported by the SPI channel. The SPI interface uses the same seven
signals of the standard MultiMediaCard bus (refer to Table “SPI Interface Pin Configuration”).
Power
supply
SPI bus (CLK, Datain, Dataout)
SPI bus master
SPI card
SPI card
CS
CS
SPI Bus System
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HB28K032MM3 | MultiMediaCard 32 MByte/64 MByte/128 MByte/256 MByte/512 MByte |
| HB28K032RM3 | MultiMediaCard 32 MByte/64 MByte/128 MByte/256 MByte/512 MByte |
| HB28L064MM3 | MultiMediaCard 32 MByte/64 MByte/128 MByte/256 MByte/512 MByte |
| HB28J512MM3 | MultiMediaCard 32 MByte/64 MByte/128 MByte/256 MByte/512 MByte |
| HB3104AD | 128Kx8 EEPROM |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HB2A102K-S265B | 制造商:Hitano Enterprise Corp 功能描述:Bulk |
| HB2A102K-S565B | 制造商:Hitano Enterprise Corp 功能描述:Bulk |
| HB2A103K-S565B | 制造商:Hitano Enterprise Corp 功能描述: |
| HB2A122K-S265B | 制造商:Hitano Enterprise Corp 功能描述: |
| HB2A122K-S565B | 制造商:Hitano Enterprise Corp 功能描述:Bulk |
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