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USB97C211 Datasheet(PDF) 13 Page - SMSC Corporation

Part # USB97C211
Description  USB 2.0 Flash Media Controller
PDF  24 Pages
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Manufacturer  SMSC [SMSC Corporation]
Direct Link  http://www.smsc.com
Logo SMSC - SMSC Corporation

USB97C211 Datasheet(HTML) 13 Page - SMSC Corporation

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SMSC USB97C211
Page 13
Revision 1.3 (11-05-03)
DATASHEET
NAME
SYMBOL
BUFFER
TYPE
DESCRIPTION
CF
Hardware Reset
CF_nRESET
O8
This pin is an active low hardware reset signal to CF
device.
CF
IO Read
CF_nIOR
O8
This pin is an active low read strobe signal for CF device,
when the CFC is enabled.
CF
IO Write Strobe
CF_nIOW
O8
This pin is an active low write strobe signal for CF device,
when the CFC is enabled.
SmartMedia Interface
SM
Write Protect
SM_nWP
O8
This pin is an active low write protect signal for the SM
device, when the SMC is enabled.
SM
Address Strobe
SM_ALE
O8
This pin is an active high Address Latch Enable signal for
the SM device, when the SMC is enabled
SM
Command Strobe
SM_CLE
O8
This pin is an active high Command Latch Enable signal
for the SM device, when the SMC is enabled.
SM
Data7-0
SM_D[7:0]
IO8
These pins are the bi-directional data signal SM_D7-
SM_D0, when the SMC is enabled.
The bi-directional input signal should have an internal
weak pull-up resister on the input.
SM
Read Enable
SM_nRE
O8
This pin is an active low read strobe signal for SM device,
when SMC is enabled.
SM
Write Enable
SM_nWE
O8
This pin is an active low write strobe signal for SM
device, when SMC is enabled.
SM
Write Protect Switch
SM_nWPS
IPU
A write-protect seal is detected, when this pin is low.
This pin has an internal weak pull-up resistor.
SM
Busy or Data Reday
SM_nB/R
IPU
This pin is connected to the BSY/RDY pin of the SM
device.
This pin has an internal weak pull-up resistor.
SM
Chip Enable
SM_nCE
O8
This pin is the active low chip enable signal to the SM
device.
This pin has an internal weak pull-up resistor.
SM
Card Detection
SM_nCD
IPU
This is the card detection signal from SM device to
indicate if the device is inserted.
This pin has internal weak pull-up resistor.



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