W86L488AY WINBOND [Winbond], W86L488AY Datasheet - Page 10
W86L488AY
Manufacturer Part Number
W86L488AY
Description
SD/ SDIO/ MMC MEMORY CARD BRIDGE
Manufacturer
WINBOND [Winbond]
Datasheet
1.W86L488AY.pdf
(45 pages)
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4.1 W86L488Y Pin Descriptions, continued
Type: DP is Power, DI is Digital Input, DO is Digital Output.
Note*1: When Host I/F voltage is 2.5V, VDDH connects to 2.5V.
4.2 W86L488AY Pin Descriptions
SD/SDIO/MMC Interface (VDD3 powered):
Power:
31, 42
6, 18,
PIN
Pin
27
30
28
31
21
18
19
43
When Host I/F voltage is 3.3V, VDDH connects to
ADAT0/ACDO
BDAT0/BCDO
ADAT1/AIRQ
BDAT1/BIRQ
ADAT2
BDAT2
VSS x4
NAME
VDDH
Name
VDD3
DO/DI
DO/DI
DO/DI
TYPE
Type
DP
DP
DP
Power supply 3.3V.
Power supply 2.5V or 3.3V for Host I/F. *
Ground (4 pins).
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.
SD/MMC mode:
Data line bit 1 signal for SD/SDIO card or interrupt request for
SDIO.
SPI mode:
No use.
SD/MMC mode:
Data line bit 2 signal for SD/SDIO card or read wait for SDIO.
SPI mode:
No use.
- 7 -
3.3V.
Publication Release Date: February 5, 2004
DESCRIPTION
Preliminary W86L488
Description
1
Revision 0.82
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