DM9013 View Datasheet(PDF) - Davicom Semiconductor, Inc.

Part Name

Description

MFG CO.

DM9013

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

Davicom Semiconductor, Inc. 

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DM9013

3-port switch with Processor Interface

5.10.2 Strap pin in 2-port mode

Pin No. Pin Name Description

50,

51

52

55

58

59

60,61

63

EECK

EEDO

EECS

MDC

TXD2_3

TXD2_2

TXD2_1,0

TXEN2

DATA Bus Width

EECK EEDO data width

0

0

16-bit

0

1

32-bit

1

0

8-bit

1

1

reserved

0: use internal system clock

1: use SCLK as system clock

Polarity of IRQ

0: IRQ pin high active

1: IRQ pin low active;

ISA pin control

0: GP6/5 as normal general purpose pins

1: GP6 as IO16, GP5 as IOWAIT used in ISA bus only

Port 2 in force mode

GP4 : 0 strap as link status,

: 1 strap as not link status,

GP3 : 0 strap as full-duplex status,

: 1 strap as half-duplex status,

GP2 : 0 strap as speed100 status,

: 1 strap as speed10 status.

TXD2_1 TXD2_0 Port 2 mode

0

0

P2 is MII mode (Default)

0

1

P2 is in reverse MII mode

1

0

P2 is in RMII mode

1

1

reserved

0: port 2 disabled

1: port 1 disabled

18

Preliminary datasheet

DM9013-15-DS-P03

April 9, 2009

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