ics1889 Holt Integrated Circuits, Inc., ics1889 Datasheet - Page 22

• Manufacturer Part Number: ics1889
• Description: 100base-fx Integrated Phyceivertm
• Manufacturer: Holt Integrated Circuits, Inc.

PIN
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
1
2
3
4
5
6
7
8
9
VDD
NOD/REP
TX–
TX+
IPRG
VSS
VSS
RX+
RX–
SD+
SD–
N/C
N/C
VDD
LSTA
SYSR
PRIO
DPEN
N/C
N/C
N/C
VSS
MDIO
MDC
RXD3
RXD2
Signal
VDD (LEDs)
Node or Repeater Mode Selection
Transmitted Data negative
Transmitted Data positive
Current program
VSS (Transmit Data)
VSS
Receive Data positive
Receive Data negative
Signal Detect
Signal Detect
No Connect
No Connect
VDD (Receive)
Link Status
System reset
Priority
Duplex Enable
No Connect
No Connect
No Connect
VSS (Receive)
Management Data Input/Output
Management Data Clock
Receive Data 3
Receive Data 2
Meaning
PIN
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
RXD1
RXER
VDD
VSS
RXD0
RXDV
RXCLK
VSS
TXER
TXCLK
TXEN
TXD0
TXD1
TXD2
TXD3
COL
CRS
REF_OUT
REF_IN
VDD
VSS
P0FD
P1CL
P2LI
P3TD
P4RD
Signal
Receive Data 1
Receive Data 0
Receive Data Valid
Receive Clock
Receive Error
VSS (MII I/O)
VDD (MII I/O)
Transmit Error
Transmit Clock
Transmit Enable
Transmit Data 0
Transmit Data 1
Transmit Data 2
Transmit Data 3
Collision Detect
Carrier Sense
VSS (Transmit)
Frequency reference out
Frequency reference in
VDD (Transmit)
VSS (LEDs)
Full duplex LED
Collision detect LED
Link Integrity LED
Transmit data LED
Receive data LED
Meaning