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W86L388D Datasheet(PDF) 6 Page - Winbond

Part No. W86L388D
Description  W86L388D Winbond Host Interface SD/MMC Memory Card Bridge
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Maker  WINBOND [Winbond]
Homepage  http://www.winbond.com
Logo WINBOND - Winbond

W86L388D Datasheet(HTML) 6 Page - Winbond

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W86L388D
Preliminary
Publication Release Date: August 2001
- 3 -
Revision 0.50
4. PIN DESCRIPTIONS
Pin
Name
Type
Description
SD Interface:
21
SD5
DO/DI
SD connection #5
22
SD6
DO/DI
SD connection #6
15
SD1
DO/DI
SD connection #1
16
SD2
DO/DI
SD connection #2
17
SD3
DO
SD connection #3
20
SD4
DO
SD connection #4
Crystal Driver:
13
XTI
DI
Clock driver input signal, may be used as external clock input.
14
XTO
DO
Clock driver output signal.
Host Interface Signal:
28
HCKI
DI
Host clock input.
35
XCSN
DI
Chip select input pin, active low.
36:38
A[3:1]
DI
Address input pins.
40
D15/A0
DI/DO
Data bus D15 pin, D[15:8] is the high byte of the data bus, D15
also used as A0 when 8-bit CPU data size. In 8-bit mode,
internal register high byte (D15:8) will accessed at data bus [7:0]
when A0 = 1, low byte (D7:0) will accessed at data bus [7:0]
when A0 = 0.
41
D14
DI/DO
Data bus D14 pin.
44:48
D[13:9]
DI/DO
Data bus [13:9] pins.
1:5
D[8:4]
DI/DO
Data bus [8:4] pins, D[7:0] is the low byte of the data bus.
7:10
D[3:0]
DI/DO
Data bus [3:0] pins.
33
XWRHN/
XBE0
DI
Type 1:
High byte (D15 to D8) write control pin, active low.
Type 2:
High byte (D15 to D8) data valid pin, active low.
34
XWRLN/
XBE1
DI
Type 1:
Low byte (D7 to D0) write control pin, active low.
Type 2:
Low byte (D7 to D0) data valid pin, active low.


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