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參數(shù)資料
| 型號： | GL816 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | USB 2.0 Flash Card Reader Controller |
| 中文描述： | USB 2.0閃存讀卡器控制器 |
| 文件頁數(shù)： | 7/23頁 |
| 文件大小： | 134K |
| 代理商： | GL816 |
GL816 – USB 2.0 Flash Card Reader Controller
2000-2001 Genesys Logic Inc.—All rights reserved.
Page 7
3.2 Functional Overview
3.2.1 UTM
The USB 2.0 Transceiver Macrocell, it’s the analog circuitry that handles the low
level USB protocol and signaling, and shifts the clock domain of the data from the
USB 2.0 rate to one that is compatible with the general logic.
3.2.2 SIE
The Serial Interface Engine, which contains the USB PID and address recognition
logic, and other sequencing and state machine logic to handle USB packets and
transactions.
3.2.3 EP0 FIFO
It is composed of TX0FIFO and RX0FIFO, with 64-byte FIFO each, and it is used for
endpoint 0 data transfer.
3.2.4 EP3 FIFO
It’s an 8-byte FIFO for endpoint 3.
3.2.5 Bulk FIFO
It is composed of TXFIFO and RXFIFO for data transmission and receiving
respectively, also with different modes support:
3.2.5.1 TXFIFO:
1. To ensure the continuous data transmission, TXFIFO includes 512 bytes
DATA-A FIFO, 512 bytes DATA-B FIFO, and two 16 bytes corresponding
redundant areas. All can be directly accessed by 8051 μC.
2. Normally SIE popes data, MHE pushes data for DATA A/B FIFOs, and
redundant area is pushed by MHE when SmartMedia MIF is enabled and
popped by uC.
3. Supports uC single byte access for SmartMedia ECC error correction.
4. At transmit mode SIE won’t transmit data filled in TXFIFO before uC complete
the data integrity checking.
3.2.5.2 RXFIFO:
1. To ensure the continuous data transmission, RXFIFO includes 512 bytes
DATA-A FIFO, 512 bytes DATA-B FIFO, and 16 bytes single redundant area. All
can be directly accessed by 8051 μC.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| GL827 | USB 2.0 Single Slot SD/MMC/MS/SM/xD-Picture Card Reader Controller |
| GL827-HHG | USB 2.0 Single Slot SD/MMC/MS/SM/xD-Picture Card Reader Controller |
| GL827-MNG | USB 2.0 Single Slot SD/MMC/MS/SM/xD-Picture Card Reader Controller |
| GL827-MWG | USB 2.0 Single Slot SD/MMC/MS/SM/xD-Picture Card Reader Controller |
| GL827-OGG | USB 2.0 Single Slot SD/MMC/MS/SM/xD-Picture Card Reader Controller |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| GL816E | 制造商:GENESYS 制造商全稱:GENESYS 功能描述:USB 2.0 9-in-1 Card Reader Controller |
| GL817E | 制造商:GENESYS 制造商全稱:GENESYS 功能描述:USB 2.0 MS/ MS PRO/ SD/ MMC Controller |
| GL819 | 制造商:GENESYS 制造商全稱:GENESYS 功能描述:USB 2.0 Generation 3 Multi-I/F Card Reader Controller |
| GL819MXG | 制造商:GENESYS 制造商全稱:GENESYS 功能描述:USB 2.0 Generation 3 Multi-I/F Card Reader Controller |
| GL822 | 制造商:GENESYS 制造商全稱:GENESYS 功能描述:USB 2.0 SD 3.0/MMC/MS Card Reader Controller |
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