参数资料
型号: WJLXT971ALE.A4-857343
厂商: CORTINA SYSTEMS INC
元件分类: 网络接口
英文描述: DATACOM, ETHERNET TRANSCEIVER, PQFP64
封装: 10 X 10 MM, 1.40 MM HEIGHT, ROHS COMPLIANT, LQFP-64
文件页数: 11/80页
文件大小: 931K
代理商: WJLXT971ALE.A4-857343
Page 19
Cortina Systems LXT972A Single-Port 10/100 Mbps PHY Transceiver
LXT972A PHY
Datasheet
249186, Revision 5.2
13 September 2007
4.0 Signal Descriptions
Table 10
LXT972A: Power, Ground, No-Connect Signal Descriptions
LQFP
Pin#
Symbol
Type
Signal Description
51
VCCD
Digital Power.
Requires a 3.3 V power supply.
7, 11, 13,
14, 15,
16, 18,
25, 26,
32, 34,
35, 41,
50, 61
GND
Ground.
8, 40
VCCIO
MII Power.
Requires either a 3.3 V or a 2.5 V supply. Must be supplied from the
same source used to power the MAC on the other side of the MII.
VCCIO is 3.3 V.
21, 22
VCCA
Analog Power.
Requires a 3.3 V power supply.
9, 10, 44
NC
-
No Connection.
These pins are not used and should not be terminated.
Table 11
LXT972A: JTAG Test Signal Descriptions
LQFP
Pin#
Symbol
Type
Signal Description
Note:
These pins do not need to be terminated If a JTAG port is not used.
27
TDI
I
Test Data Input.
Test data sampled with respect to the rising edge of TCK.
28
TDO
O
Test Data Output.
Test data driven with respect to the falling edge of TCK.
29
TMS
I
Test Mode Select.
30
TCK
I
Test Clock.
Clock input for boundary scan.
31
TRST_L
I
Test Reset.
This active-low test reset input is sourced by ATE.
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