ICS1893AF Data Sheet - Release
Chapter 9 Pin Diagram, Listings, and Descriptions
9.2 ICS1893AF Pin Descriptions
Table 9-1. MAC Interface Pins
Signal Name
MDIO
Pin No.
26
Signal Description
Management Data Input/Output
Management Data Clock
Receive Data 3
MDC
27
RXD3
28
RXD2
29
Receive Data 2
RXD1
30
Receive Data 1
RXD0
31
Receive Data 0
RXDV
RXCLK
RXER
32
Receive Data Valid
Receive Clock
34
35
Receive Error
TXCLK
TXEN
TXD0
TXD1
TXD2
TXD3
COL
37
38
39
40
41
42
43
44
Transmit Clock
Transmit Enable
Transmit Data 0
Transmit Data 1
Transmit Data 2
Transmit Data 3
Collision Detect
Carrier Sense
CRS
Table 9-2. Transformer Interface Pins
Signal Name
TP_TXP
TP_TXN
TP_CT
Pin No.
12
Signal Description
Twisted Pair Transmit Positive
Twisted Pair Transmit Negative
Twisted Pair Center Tap
13
10
TP_RXP
TP_RXN
18
Twisted Pair Receive Positive
Twisted Pair Receive Negative
19
Table 9-3. Multifunction Pins: PHY Address and LED Pins
Signal Name
P4RD
Pin No.
Signal Description
8
6
4
3
1
Bit 4 of PHY Address, PHYAD[4], OR Receive LED
Bit 3 of PHY Address, PHYAD[3], OR Transmit LED
Bit 2 of PHY Address, PHYAD[2], OR Link Integrity LED
Bit 1 of PHY Address, PHYAD[1], OR Collision LED
Bit 0 of PHY Address, PHYAD[0], OR Activity LED
P3TD
P2LI
P1CL
P0AC
ICS1893AF, Rev. D 10/26/04
October, 2004
Copyright © 2004, Integrated Circuit Systems, Inc.
All rights reserved.
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