DM9016EP View Datasheet(PDF) - Davicom Semiconductor, Inc.

Part Name

Description

Manufacturer

DM9016EP

10/100 Mbps 3-port Ethernet Switch Controller with General Processor Interface

Davicom Semiconductor, Inc. 

DM9016

3-port switch with Processor Interface

5.10.2 Strap pin in 2-port mode

Pin No. Pin Name Description

50

EECK

Processor Data Bus Width

51

EEDO

EECK EEDO data width

0

0

16-bit (default)

0

1

32-bit

1

0

8-bit

1

1

(reserved)

52

EECS

Source of System Clock

0: system clock is internal 50MHz clock (default)

1: use SCLK pin as system clock

55

MDC

Polarity of IRQ

0: IRQ pin high active (default)

1: IRQ pin low active

58

TXD2_3 ISA pin control

0: GP6/5 as normal usage (default)

1: GP6 as IO16, GP5 as IOWAIT

59

TXD2_2 Port 2 force mode

0: Port 2 status from external PHY (N-way)

1: Port 2 in force mode

60

TXD2_1 Port 2 mode

61

TXD2_0 TXD2_1, TXD2_0

0

0 Port 2 is MII mode (default)

0

1 Port 2 is Reverse-MII mode

1

0 Port 2 is RMII mode

1

1 (reserved)

63

TXEN2

Disabled Port Selection

0: Port 2 is disabled (default)

1: Port 1 is disabled

115

GP2

Port 2 Force mode Speed is: (when TXD2_2 pulled high)

0: 100Mbps

1: 10Mbps

114

GP3

Port 2 Force mode Duplex is : (when TXD2_2 pulled high)

0: full-duplex

1: half-duplex

113

GP4

Port 2 Force mode Link is: (when TXD2_2 pulled high)

0: link

1: non-link

Preliminary datasheet

19

DM9016-13-DS-P01

March 26, 2009

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