AN985B/BX
Pin Description
Table 3
Pin Definitions and Functions (cont’d)
Pin or Ball Name
No.
Pin
Type
Buffer
Type
Function
116
117
118
119
120
121
122
123
124
125
114
115
BrD0
BrD1
BrD2
BrD3
O
BootROM Data Bus Bit (0~7)
Inputs/Output data for AN985B/BX
EDO: Data Output of serial EEPROM
EDI: Data Input of serial EEPROM
ECK: Clock input of serial EEPROM
BrD4
The AN985B/BX outputs clock signal to EEPROM.
BrD5/EDO
BrD6/EDI
BrD7/ECK
EECS
BrCS#
BrOE#
BrWE#
O/I
O/O
O/O
O
O
O
Chip Select of Serial EEPROM
BootROM Chip Select
BootROM Read Enable for Flash ROM Application
BootROM Write Enable for Flash ROM Application
O
Physical Interface
18
17
6
XTLP
XTLN
RXIN
RXIP
I
I
Crystal Inputs
To be connected to a 25 MHz crystal.
Differentials Receive Inputs
The differentials receive inputs of 100BASE-TX or
10BASE-T, these pins are directly inputted from Magnetic.
7
20
21
TXOP
TXON
O
I
Differential Transmit Outputs
The differential Transmit outputs of 100BASE-TX or
10BASE-T, these pins are directly outputted to Magnetic.
15
RIBB
Reference Bias Resistor
To be tied to an external 10.0K (1%) resistor which should
be connected to the analog ground at the other end.
9
TST0
TST1
TST2
TST3
NC
I
Test Pin
10
11
5
12
13
O
Not Connected
NC
LED Display and Miscellaneous
102
Led-Act
O
4 LED Mode: LED Display for Activity Status
This pin will be driven on with 10 Hz blinking frequency
when either effective receiving or transmitting is detected.
(Led-lnk/act)
Led-10Lnk
O
O
(3 LED Mode): LED Display for Link and Activity Status
Link and Activity
103
4 LED Mode: LED Display for 10 Mbit/s Speed
This pin will be driven on continually when the 10 Mbit/s
network operating speed is detected.
(Led-fd/col)
O
(3 LED Mode): LED Display for Full Duplex or Collision
Status
full duplex/collision
Data Sheet
16
Rev. 1.51, 2005-11-30
INFINEON [ Infineon ]
