IP1001 LF
Data Sheet
Pin description (continued)
Pin no.
Label
Type
Description
Power pins
3, 38, 46,
54, 63
DVDD
AVDD
1.2v digital power
20, 23,
28,31,
1.8v or 2.1v analog power
AVDD can be fed with external 1.8v or 2.1v power.
If there is no external 1.8v power source, AVDD can be
connected the 2.1v power source generated by CTRL21. If an
external 1.8v power is available, AVDD can be connected to
1.8v to reduce the power consumption.
If there is no external 2.5v power source, the center tap of
transformer can be connected the 2.1v power source
generated by CTRL21. If an external 2.5v power is available,
the center tap of transformer can be connected to it,
consuming the extra power consumption.
9, 43, 47,
52, 56, 64
VDDO
3.3v/ 2.5v digial I/O power
VDDO is connected to 3.3v if IP1001 works in MII or GMII
mode. VDDO is connected to 2.5v if IP1001 works at RGMII
mode.
24
AVDDH
3.3v/ 2.5v analog power
AVDDH can be fed with 3.3v or 2.5v, using the same power
source of VDDO. Although VDDO and AVDDH use the same
power source, user has to place a bead between VDDO and
AVDDH to prevent the noise of AVDDH noise.
--
GND
Exposed PAD (E-PAD) (Thermal PAD) is Analog and Digital
ground.
15/48
Dec. 18, 2007
IP1001-DS-R06
Copyright © 2006, IC Plus Corp.
ETC [ ETC ]
