DM9161A
10/100 Mbps Fast Ethernet Physical Layer Single Chip Transceiver
5.5 Bias and Clock, 4 pins
Pin No.
47
48
42
43
Pin Name
BGRESG
BGRES
XT2
XT1
I/O
P
O
I/O
I
Description
Bandgap Ground
Bandgap Voltage Reference Resistor 6.8K ohm +/- 1%
Crystal Output; REF_CLK input for RMII mode
Crystal Input
5.6 Power, 12 pins
Pin No.
1,2
9
5
6
46
23,30,41
15,33,44
Pin Name
AVDDR
AVDDT
AGND
AGND
AGND
DVDD
DGND
I/O
P
P
P
P
P
P
P
Description
Analog Receive Power output
Analog Transmit Power output
Analog Receive Ground
Analog Transmit Ground
Analog Substrate Ground
Digital Power
Digital Ground
5.7 Table A (Media Type Selection)
OP2
OP1
OP0
Function
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
Dual Speed 100/10 HDX
Reserved
Reserved
Manually Select 10TX HDX
Manually Select 10TX FDX
Manually Select 100TX HDX
Manually Select 100TX FDX
Auto-negotiation Enables All Capabilities
9
Final
Version: DM9161A-DS-F01
October 16, 2009
DAVICOM [ DAVICOM SEMICONDUCTOR, INC. ]
