w86l488y-ay Winbond Electronics Corp America, w86l488y-ay Datasheet - Page 13

• Manufacturer Part Number: w86l488y-ay
• Description: Winbond Host Interface Sd/sdio/mmc Memory Card Bridge
• Manufacturer: Winbond Electronics Corp America

W86L488AY Pin Descriptions, continued
General I/O Port Signal:
59, 53,
51,37
32:36
7, 6,
PIN
46,
43
44
13
42
40
39
52
GIO[11:6]
XWRHN
GIO[5:0]
XWRLN
XDRQN
XRDYN
XTYP2
XRWN
NAME
XINTN
XRDN
XASN
XBE0
XBE1
TYPE
DIO
DIO
DO
DO
DI
DI
DI
DI
DI
Type 1:
Data Access request, controller asserts low to request.
Type 2:
Type 1:
None.
Type 2:
Type 1:
High byte D[15:D8] write strobe, host asserts low to enable.
Type 2:
Type 1:
Low byte D[7:0] write strobe, host asserts low to enable.
Type 2:
Type 1:
Read strobe, host asserts low to enable.
Type 2:
Read or Write strobe, host asserts low to enable.
Host interface type select,
High byte D[15:D8] data valid, host asserts low to enable.
Low byte D[7:0] data valid, host asserts low to enable.
Interrupt request, host asserts low to enable.
Bus access cycle start, host asserts low to enable.
Bus cycle complete, controller asserts low to inform host.
General input/output port signals of first port GIO0 pin can be
used as dedicate card insert detection of first port. Input mode
and active low in default (GIO[4:0] powered by VDD3, GIO5
powered by VDDH).
General input/output port signals of second port GIO6 pin can
be used as dedicate card insert detection of second port.
Input mode and active low in default (GIO6 powered by
VDD3, GIO[11:7] powered by VDDH).
1: Read transaction
0: Type 1 mode.
0: Write transaction
1: Type 2 mode.
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DESCRIPTION
W86L488