IP101A データシートの表示（PDF） - Unspecified
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IP101A Datasheet PDF : 36 Pages
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IP101A LF
Data Sheet
Pin Descriptions (continued)
Pin no.
Label
Type
Description
MII and PCS Interface – Media Independent Interface (MII) Pins
24 RX_ER
O
(PD)
Receive error: This pin outputs a high status when errors
occurred in the decoded data in the reception.
(Notice: This pin is pulled down internally. An external 5.1KΩ
pull down resistor is needed to avoid the noise interference.)
1
COL/RMII
O/LI
(PD)
Collision Detected: When this pin outputs a high status signal it
means collision is detected.
RMII Mode: During power on reset, this pin status is latched and
arranged with MII/SNIB (pin44) to determine MAC interface
RMII MII/SNIB
1
X
RMII Interface
0
1
MII Interface
0
0
SNI Interface
(Notice: This pin is pulled down internally)
23 CRS/LEDMOD O Carrier Sense: When signal output from this pin is high
(PD) indicates the transmission or reception is in process and at low
status means the line is in idle state.
LEDMOD: During power on reset, this pin status is latched to
determine at which LED mode to operate, please refer to the
LED pins description.
(Notice: This pin is pulled down internally)
7/36
Copyright © 2004, IC Plus Corp.
Oct 22, 2007
IP101A LF-DS-R12
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