48
ICS1890
Pin Descriptions
* Redefined for other MAC-PHY interfaces.
PIN
NUMBER
PIN NAME
I/O
TYPE
DESCRIPTION
33
RXD2*
O
TTL-compatible
Receive Data 2
34
RXD1*
O
TTL-compatible
Receive Data 1
35
RXD0*
O
TTL-compatible
Receive Data 0
36
RXDV*
O
TTL-compatible
Receive Data Valid
37
RXCLK*
O
TTL-compatible
Receive Clock
38
RXER
O
TTL-compatible
Receive Error
39
RXTRI
I
TTL-compatible
Receive MAC-PHY Interface Tristate
40
VSS
41
VDD
Digital Domain Power
42
TXER*
I
TTL-compatible
Transmit Error
43
TXCLK*
O
TTL-compatible
Transmit Error
44
TXEN*
I
TTL-compatible
Transmit Enable
45
TXD0*
I
TTL-compatible
Transmit Data 0
46
TXD1*
I
TTL-compatible
Transmit Data 1
47
TXD2*
I
TTL-compatible
Transmit Data 2
48
TXD3*
I
TTL-compatible
Transmit Data 3
49
COL*
O
TTL-compatible
Collision Detect
50
CRS*
O
TTL-compatible
Carrier Sense
51
VSS
52
REF_OUT
O
Frequency Reference Output
53
REF_IN
I
CMOS-compatible
Frequency Reference Input
54
VDD
Digital Domain Power
55
VSS
56
VDD
Transmit Domain Power (TPLL)
57
VDD
Digital Domain Power
58
P0AC
I/O
LED
Special PHY ID 0/Activity LED
59
P1CL
I/O
LED
Special PHY ID 1/Collision det LED
60
P2LI
I/O
LED
Special PHY ID 2/Link Integrity LED
61
P3TD
I/O
LED
Special PHY ID 3/Transmit data LED
62
P4RD
I/O
LED
Special PHY ID 4/Receive data LED
63
VSS
64
ANSEL
I/O
TTL-compatible
Auto-Negotiation Select
Summary of Contents for PHYceiver ICS1890
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