DM9101
10/100Mbps Ethernet Physical Layer Single Chip Transceiver
Pin Description (continued)
Power and Ground Pins :
The power (VCC) and ground (GND) pins of the DM9101 are grouped in pairs of two categories - Digital
Circuitry Power/Ground Pairs and Analog Circuitry Power/Ground Pair.
Pin No.
LQFP QFP
Group A - Digital Supply Pairs
Pin Name
I/O
Description
35, 36,
37, 43,
50, 59,
65, 71,
84
37, 38,
39, 45,
52, 61,
67, 73,
86
DGND
P
Digital Logic Ground.
Group A - Digital Supply Pairs (continued)
38, 47,
60, 72,
66, 85
40, 49,
62, 74,
68, 87
DVCC
P
Digital Logic power supply
Group B - Analog Circuit Supply Pairs
4, 9,
10, 15,
16, 21,
22, 29,
32, 97,
98
5, 6,
13, 14,
19, 20,
6, 11, 12,
18, 17,
23, 24,
31, 34,
99, 100
AGND
AVCC
P
P
Analog circuit ground
1, 7, 8,
15, 16,
21, 22,
Analog circuit power supply
25, 26, 27, 28, 33
31, 99
Final
11
Version: DM9101-DS-F03
July 22, 1999