GL422 Genesys Logic, GL422 Datasheet - Page 12
GL422
Manufacturer Part Number
GL422
Description
USB 2.0 +sd/mmc-controller Combo Solution
Manufacturer
Genesys Logic
Datasheet
1.GL422.pdf
(32 pages)
- Current page: 12 of 32
- Download datasheet (246Kb)
3.1.7 High efficient hardware engine
3.1.8 Inter-Media transfer capability
3.2 Block diagram
3.2.1 UTM
3.2.2 SIE
©2000-2006 Genesys Logic Inc. - All rights reserved.
• Automatic data read / write with card by hardware engine
• Easier firmware development
• Media interface signals output low automatically when suspend
• Support copy data between flash cards or within same flash card
USB2.0 Transceiver Macro
Serial Interface Engine
MCFIFO
(32B)
MHE
control
MIF
MSP
MHE
MIF
MIF
MS
SD
Figure 3.1 - USB Controller diagram
GL422/GL423 USB 2.0 +SD/MMC-controller Combo Solution
Register
SIE/
FIFO/
MHE
control
Mask
ROM
(48KB)
BULK FIFO
(512B*2)
EP0 FIFO
(64B)
EP3 FIFO
(64B)
EPFIFO
8051 core
SRAM
256B
LUT
LUT
4KB
UTM
SIE
Page 12
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