w86l488y-ay Winbond Electronics Corp America, w86l488y-ay Datasheet - Page 9

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

W86L488Y Pin Descriptions, continued
General I/O Port Signal (VDD3 powered):
Other Signal (VDDH powered):
23:27
PIN
33
34
11
32
30
29
39
12
XWRHN
XWRLN
XDRQN
GIO[4:0]
XRDYN
XTYP2
XRWN
XINTN
XRDN
XASN
NAME
XBE0
XBE1
RSTN
TYPE
DIO
DO
DO
DI
DI
DI
DI
DI
DI
Type 1:
Type 1:
High byte D[15:D8] write strobe, Host asserts to enable.
Type 2:
High byte D[15:D8] data valid, host asserts to enable.
Type 1:
Low byte D[7:0] write strobe, host asserts to enable.
Type 2:
Low byte D[7:0] data valid, host asserts to enable.
Interrupt request, host asserts low to enable.
Type 1:
Read strobe, host asserts to enable.
Type 2:
Read or Write strobe, host asserts to enable.
1: Read transaction
0: Write transaction
Type 1:
None.
Type 2:
Bus access cycle start, host asserts to enable.
Data Access request, controller asserts to request.
Type 2:
Bus cycle complete, controller asserts to inform host.
Host interface type select,
0: Type 1 mode.
1: Type 2 mode.
General input/output port signals. GIO0 pin can be used as
dedicate card insert detect. Input mode and active low in
default.(Powered by VCC3)
Hardware Reset, Level low sensitive.
- 6 -
DESCRIPTION
W86L488