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參數資料
型號: W86L488
廠商: WINBOND ELECTRONICS CORP
英文描述: SD/ SDIO/ MMC MEMORY CARD BRIDGE
中文描述: SD / SDIO記憶/ MMC記憶卡橋
文件頁數: 26/45頁
文件大小: 1842K
代理商: W86L488
Preliminary W86L488
Fig. 7-8 Host Write Transmit Data Buffer in Burst Access Mode (DABST = high).
A[3:1]
D[15:0]
XWRHN
XWRLN
XCSN
XDRQN
System_
Clock
010
010
010
Publication Release Date: February 5, 2004
- 23 -
Revision 0.82
Interrupt:
The XINTN pin is used to notify Host that something happens or error occurs. The INT bit of status
register can be read and check repeatedly if the Host cannot accept XINTN pin. XINTN will active
(low) at the falling edge of system clock if any bit in the interrupt register is high, XINTN pin will return
to high when write high to the related bit of the interrupt status register except DRQ interrupt in, the
XINTN pin will go low again at four system clock cycles later if any other interrupt event is still
pending.
Fig. 7-9 Timing of Interrupt in.
XINTN
A[3:1]
D[15:0]
XCSN
XRDN
System_
Clock
011
XWRHN
0x80XX
011
1xxxxxxxb
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