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參數資料
型號: W86L488Y
廠商: WINBOND ELECTRONICS CORP
元件分類: 微控制器/微處理器
英文描述: SD/ SDIO/ MMC MEMORY CARD BRIDGE
中文描述: SPECIALTY MICROPROCESSOR CIRCUIT, QCC48
封裝: 7 X 7 MM, 1 MM HEIGHT, QFN-48
文件頁數: 7/45頁
文件大小: 1842K
代理商: W86L488Y
Preliminary W86L488
Publication Release Date: February 5, 2004
- 4 -
Revision 0.82
4. PIN DESCRIPTIONS
4.1 W86L488Y Pin Descriptions
PIN
NAME
TYPE
DESCRIPTION
SD/SDIO/MMC Interface (VDD3 powered):
21
DAT0/CDO
DO/DI
SD/MMC mode:
Data line bit 0 signal for SD/SDIO card, data signal for MMC
card.
SPI mode:
Card data output in SPI mode.
22
DAT1/IRQ
DO/DI
SD/MMC mode:
Data line bit 1 signal for SD/SDIO card or interrupt request for
SDIO.
SPI mode:
No use.
15
DAT2
DO/DI
SD/MMC mode:
Data line bit 2 signal for SD/SDIO card or read wait for SDIO.
SPI mode:
No use.
16
DAT3/CS
DO/DI
SD/MMC mode:
Data line bit 3 or Card detect for SD/SDIO card.
SPI mode:
Card select.
17
CMD/CDI
DO/DI
SD/MMC mode:
Command response for SD/SDIO card or MMC card.
SPI mode:
Card data input.
This pin will tri-state when the command is not driven.
20
CLK
DO
Clock output signal for SD/SDIO card or MMC card. This pin
will stay at high or low when card clock is not needed depends
on the state of CKDH bit setting.
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相關代理商/技術參數
參數描述
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