DM9000BI
Industrial-grade Ethernet Controller with General Processor Interface
TP RX
3,4
RX+,RX-
I/O These two pins are the receive input in MDI mode or the transmit output
in MDIX mode.
RX Ground
TX Ground
TP TX
5,47
6
RXGND
TXGND
P
P
7,8
TX+,TX-
I/O These two pins are the transmit output in MDI mode or the receive input
in MDIX mode.
5.6 Miscellaneous
Pin No.
Pin Name
Type
I
Description
Operation Mode
41
TEST
Force to ground in normal application
Power on Reset
40
PWRST#
I
Active low signal to initiate the DM9000BI
The DM9000BI is ready after 5us when this pin deasserted
5.7 Power Pins
Pin No.
23,30,42
15,33,45
Pin Name
Type
P
Description
Digital VDD
3.3V power input
Digital GND
VDD
GND
P
5.8 strap pins table
1: pull-high 1K~10K, 0: floating (default)
Pin No.
Pin Name
Description
Polarity of INT
20
EECK
1: INT pin low active;
0: INT pin high active
DATA Bus Width
1: 8-bit
EECS
21
22
25
0: 16-bit
Polarity of CS# in 8-bit mode
1: CS# pin active high
0: CS# pin active low
INT output type in 8-bit mode
1: Open-Drain
WAKE
GP6
0: force mode
Preliminary
12
Version: DM9000BI-13-DS-P02
January 17, 2008
DAVICOM [ DAVICOM SEMICONDUCTOR, INC. ]
