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W86L488

Features: • Compliant with SD spec. Version 1.01. (Support SDIO)• Compliant with MMC spec. Version 3.2.• Simultaneously access two ports of SD/SDIO/MMC supported. (W86L488AY only)• Support physical layer commands of SD/SDIO/MMC interface.• Support SD/MMC and SPI mode ...

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SeekIC No. : 004545234 Detail

W86L488: Features: • Compliant with SD spec. Version 1.01. (Support SDIO)• Compliant with MMC spec. Version 3.2.• Simultaneously access two ports of SD/SDIO/MMC supported. (W86L488AY only)&...

W86L488 Data Sheet

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Part Number:
W86L488
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/20

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Product Details

Description



Features:

• Compliant with SD spec. Version 1.01. (Support SDIO)
• Compliant with MMC spec. Version 3.2.
• Simultaneously access two ports of SD/SDIO/MMC supported. (W86L488AY only)
• Support physical layer commands of SD/SDIO/MMC interface.
• Support SD/MMC and SPI mode for SD/SDIO/MMC interface.
• Support Keitaide-Music MMC card commands in SPI mode.
• Support SDIO interrupt and bus suspend/resume operation.
• Built-in 128 bytes data buffer for data transmit (send/receive).
• Support two types of Host microprocessor Interface access synchronous and asynchronous.
• DMA and Interrupt transfer mode supported.
• Host microprocessor Interface support (Such as: Motorola's Dragon Ball series;Intel's Strong ARM, ARM series; Hitachi's SH2 series; Fujisui's FR30)
• Support 8/16 bits data bus of Microprocessor I/F.
• Built-in 3.58 to 25MHz crystal driver circuit, support external oscillator or crystal clock.
• Operation voltage: 2.7~3.6V for SD/SDIO/MMC, 2.5/3.3V for Host CPU interface.
• 48/64-pin QFN package


Pinout

Connection Diagram


Specifications

  PARAMETER
SYMBOL
RATING
UNITS
1 Supply Voltage with respect to VVSS
VVDD
-0.3 to 6
V
2 Current at any pin other than supplies
0 to 10
mA
3 Storage Temperature
Tst
-65 to 150
°C
* Exceeding these values may cause permanent damage.


Description

The W86L488 is a SD/SDIO/MMC interface bridge between microprocessor and SD/SDIO/MMC device. The data width of microprocessor is 8 or 16-bits. W86L488 supports synchronous or asynchronous type of host interface. It also  upports DMA and Interrupt type of transfer mode to improve data transfer performance. The signals on the SD bus  re captured or driven by W86L488. W86L488 is monitored and controlled by microprocessor via internal registers.  86L488 fits for most of IA devices, such as PDA, Cellular Phone, DSC, and MP3 player.




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