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參數(shù)資料
| 型號： | GL422 |
| 廠商： | Genesys Logic, Inc. |
| 英文描述： | USB 2.0 +SD/MMC-controller Combo Solution |
| 中文描述： | 個USB 2.0 SD / MMC卡控制器的組合方案 |
| 文件頁數(shù)： | 13/32頁 |
| 文件大?。?/td> | 285K |
| 代理商： | GL422 |
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GL422/GL423 USB 2.0 +SD/MMC-controller Combo Solution
2000-2006 Genesys Logic Inc. - All rights reserved.
Page 13
3.2.3 EPFIFO
Endpoint FIFO: it includes Control FIFO (FIFO0), interrupt FIFO (FIFO3), Bulk In/Out FIFO (BULKFIFO)
3.2.3.1 Control FIFO
FIFO of control endpoint 0.
It is 64-byte FIFO, and it is used for endpoint 0 data transfer.
3.2.3.2 Interrupt FIFO
64-byte-depth FIFO of endpoint 3 for status interrupt.
3.2.3.3 Bulk In/Out FIFO
It can be in the TX mode or RX mode:
It contains ping-pong FIFO (512 bytes each bank) for transmit/receive data continuously.
It can be directly accessed by micro controller
Support SIE won
’
t transmit data filled before micro controller check data integrity complete.
It can be used to copy data block from source to destination in the same card or from one card to other
card.
3.2.4 MHE
It contains 3 MIF (Media Interface), control and MCFIFO
3.2.4.1 MIFs
SD / MMC MIF
Memory Stick MIF
Memory Stick-PRO MIF
3.2.4.2 MCFIFO
32-byte FIFO shared by Memory Stick, Memory Stick-PRO, SD/MMC MIF.
Memory Stick and Memory Stick-PRO MIF can use MCFIFO as command FIFO.
SD/MMC MIF use MCFIFO for command and response.
相關PDF資料 |
PDF描述 |
|---|---|
| GL423 | USB 2.0 +SD/MMC-controller Combo Solution |
| GL424 | SD/MMC Flash Card Controller |
| GL424-PMGXX | SD/MMC Flash Card Controller |
| GL424-WMGXX | SD/MMC Flash Card Controller |
| GL424-WOGXX | SD/MMC Flash Card Controller |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| GL423 | 制造商:GENESYS 制造商全稱:GENESYS 功能描述:USB 2.0 +SD/MMC-controller Combo Solution |
| GL424 | 制造商:GENESYS 制造商全稱:GENESYS 功能描述:SD/MMC Flash Card Controller |
| GL424-PMGXX | 制造商:GENESYS 制造商全稱:GENESYS 功能描述:SD/MMC Flash Card Controller |
| GL424-WMGXX | 制造商:GENESYS 制造商全稱:GENESYS 功能描述:SD/MMC Flash Card Controller |
| GL424-WOGXX | 制造商:GENESYS 制造商全稱:GENESYS 功能描述:SD/MMC Flash Card Controller |
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