6 page
DM9601
USB to Ethernet MAC Controller with Integrated 10/100 PHY
6
Final
Version: DM9601-DS-F01
June 22, 2002
5. Pin Description
I= Input, O=Output, I/O= Input/Output, O/D= Open Drain, P= Power,
LI= reset Latch Input, #= asserted low
5.1 MII Interface
Pin No.
Pin Name
Type
Description
37
LINK_I
I/O
External MII Device Link Status
38,39,40,
41
RXD[3:0]
I/O
External MII Receive Data
43
CRS
I/O
External MII Carrier Sense
44
COL
I/O
External MII Collision Detect
45
RX_DV
I/O
External MII Receive Data Valid
46
RX_ER
I/O
External MII Receive Error
47
RX_CLK
I/O
External MII Receive Clock
49
TX_CLK
I/O
External MII Transmit Clock
50,51,52,
53
TXD[3:0]
I/O
External MII Transmit Data
54
TX_EN
I/O
External MII Transmit Enable
56
MDIO
I/O
MII Serial Management Data
57
MDC
I/O
MII Serial Management Data Clock
5.2 EEPROM Interface
EEPROM
Interface
64
EEDI
I/O
Data from EEPROM
65
EEDO
I/O
Data to EEPROM
66
EECK
I/O
Clock to EEPROM
67
EECS
O
Chip Select to EEPROM
This pin is used as a strap pin to define the LED modes
When it is pulled high, the LED mode is the mode 1,
Otherwise it is mode 0
5.3 USB Interface
74
DM
I/O
USB Data Minus
75
DP
I/O
USB Data Plus
