DM9620 DAVICOM [Davicom Semiconductor, Inc.], DM9620 Datasheet - Page 13

• Manufacturer Part Number: DM9620
• Description: USB2.0 to 10/100M Fast Ethernet Controller
• Manufacturer: DAVICOM [Davicom Semiconductor, Inc.]

3.2.7 10/100 PHY
3.2.8 Miscellaneous
3.2.9 Power
Preliminary
Version: DM9620 -15-DS-P02
February 20, 2012
3.2.10 GPIO (TEST1 set to 1)
12,13,15,16
14,32,43,
17,23,37,
Pin No.
46,62
63
64
65
10
35
36
45
47
48
44
42
59
11
18
2
3
4
5
6
7
8
9
SMI_D
SMI_CK
SD
RXGND
BGGND
BGRES
AVCC18
RX+
RX-
RXGND
TXGND
TX+
TX-
AVCC18
VBUS_IN
WOL
RSTB
TEST2
TEST1
VCC3
GND
GPIO2_0
GPIO2_1~4
GPIO2_5
Pin Name
Type
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
O
O
O
P
P
P
P
P
P
I
I
I
I
I
I
I
Flash if traffic on Ethernet
Fiber Signal Detection
RX ground.
Bandgap ground.
1.8V power out for RX power
TP RX input
TP RX input
RX ground
TX ground
TP TX output
TP TX output
1.8V power out for TX power
Serial Management Interface Data
Tie to ground in application.
Serial Management Interface Clock
Tie to ground in application..
This pin can also as a GPIO wakeup event defined in register 0FH.
VBUS input (Connect to USB5V, USB connector)
Tie to high in bus power mode
Issue a wake-up signal when wake-up event happens.
Hardware Reset
Active low signal to initiate the DM9620.
Test Mode 2, tie to ground in application.
Test Mode 1
0: pins 11-13,15-16,18-22,24-27,33-34 as MII, RMII, Reverse MII
interface
1: pins 11-13,15-16,18-22,24-27,33-34 as GPIO controlled by
registers 34H~37H
Digital VCC 3.3V
Digital GND
GPIO2_1~4 in GPIO mode
Bandgap pin. Connect 6.98K 1% resister to BGGND
GPIO2_0 in GPIO mode
GPIO2_5 in GPIO mode
USB2.0 to Fast Ethernet Controller
Description
DM9620
13