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W86L388D Datasheet(PDF) 4 Page - Winbond

Part No. W86L388D
Description  W86L388D Winbond Host Interface SD/MMC Memory Card Bridge
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Maker  WINBOND [Winbond]
Homepage  http://www.winbond.com
Logo WINBOND - Winbond

W86L388D Datasheet(HTML) 4 Page - Winbond

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W86L388D
PRELIMINARY
Publication Release Date: August 2001
- 1 -
Revision 0.50
1. GENERAL DESCRIPTION
The W86L388D is a SD/MMC host interface bridge used between host microprocessor and SD/MMC.
The data width of host microprocessor can be 8-bit or 16-bit. W86L388D can support synchronous or
asynchronous type of host interface. It also supports DMA or Interrupt type of transfer mode to
improve data transfer performance between host microprocessor and SD/MMC. W86L388D is fit for
most of IA devices, such as PDA, Cellular Phone, DSC, and MP3 player.
2. FEATURES
Compliant with SD spec. Version 1.0
Compliant with MMC spec. Version 2.2
Support two types of host microprocessor interface access--synchronous and asynchronous
mode
DMA and Interrupt transfer mode supported
Host microprocessor 8/16 bit data bus
Built-in crystal driver circuit, support external oscillator or crystal clock
Extra 5 programmable GPIO supported
Wide range of clock input from 3.58MHz up to 25MHz
3.3V opereation
48-pin LQFP package
Ordering Information
Part Number
Package Type
Production Flow
W86L388D
48-PIN LQFP
Commercial, 0
oC to +70oC


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