LXT972 Level One, LXT972 Datasheet - Page 5

• Manufacturer Part Number: LXT972
• Description: 3.3V Dual-Speed Fast Ethernet Transceiver Datasheet
• Manufacturer: Level One

Table 1:
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
21.
22.
23.
24.
25.
26.
27.
28.
29.
30.
31.
32.
33.
Pin
REFCLK/XI
XO
MDDIS
RESET
TxSLEW0
TxSLEW1
GND
VCCIO
N/C
N/C
GND
ADDR0
GND
GND
GND
GND
RBIAS
GND
TPOP
TPON
VCCA
VCCA
TPIP
TPIN
GND
GND
TDI
TDO
TMS
TCK
TRST
GND
PAUSE
Symbol
LQFP Numeric Pin List
Analog
Output
Output
Output
Output
Type
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
Table 4 on page 8
Table 4 on page 8
Table 4 on page 8
Table 4 on page 8
Table 5 on page 9
Table 4 on page 8
Table 4 on page 8
Table 3 on page 7
Table 3 on page 7
Table 5 on page 9
Table 5 on page 9
Table 3 on page 7
Table 3 on page 7
Table 6 on page 9
Table 6 on page 9
Table 6 on page 9
Table 4 on page 8
Table 2 on page 6
Table 5 on page 9
Table 4 on page 8
Table 5 on page 9
Table 4 on page 8
Table 5 on page 9
Table 5 on page 9
Table 5 on page 9
Table 5 on page 9
Table 5 on page 9
Table 5 on page 9
Table 5 on page 9
Table 6 on page 9
Table 6 on page 9
Table 5 on page 9
Table 4 on page 8
Reference for
Description
Full
Table 1:
34.
35.
36.
37.
38.
39.
40.
41.
42.
43.
44.
45.
46.
47.
48.
49.
50.
51.
52.
53.
54.
55.
56.
57.
58.
59.
60.
61.
62.
63.
64.
Pin
TEST0
TEST1
LED/CFG3
LED/CFG2
LED/CFG1
PWRDWN
VCCIO
GND
MDIO
MDC
N/C
RXD3
RXD2
RXD1
RXD0
RX_DV
GND
VCCD
RX_CLK
RX_ER
TX_ER
TX_CLK
TX_EN
TXD0
TXD1
TXD2
TXD3
GND
COL
CRS
MDINT
Symbol
LQFP Numeric Pin List
LXT972 Pin Assignments
Open Drain Table 2 on page 6
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Type
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
I/O
I/O
I/O
I/O
–
–
–
–
–
–
Table 4 on page 8
Table 4 on page 8
Table 7 on page 9
Table 7 on page 9
Table 7 on page 9
Table 4 on page 8
Table 5 on page 9
Table 5 on page 9
Table 2 on page 6
Table 2 on page 6
Table 4 on page 8
Table 2 on page 6
Table 2 on page 6
Table 2 on page 6
Table 2 on page 6
Table 2 on page 6
Table 5 on page 9
Table 5 on page 9
Table 2 on page 6
Table 2 on page 6
Table 2 on page 6
Table 2 on page 6
Table 2 on page 6
Table 2 on page 6
Table 2 on page 6
Table 2 on page 6
Table 2 on page 6
Table 5 on page 9
Table 2 on page 6
Table 2 on page 6
Reference for
Description
– continued
Full
5