DM9010BIEP datasheet(10/60 Pages) DAVICOM

Il numero della parte	DM9010BIEP

Spiegazioni elettronici	Industrial-temperature 10/100 Mbps Single Chip Ethernet Controller With General Processor Interface

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Produttore elettronici	DAVICOM [Davicom Semiconductor, Inc.]

Homepage	http://www.davicom.com.tw

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DM9010BI

Industrial-temperature Single Chip Ethernet Controller with General Processor Interface

Preliminary

10

Version: DM9010BI--DS-P01

January 12, 2010

14

RST

I

Hardware Reset Command, active high to reset the DM9010BI

6,7,8,9,10,

11,12,13,

89,88,87,

86,85,84,

83,82

SD0~15

I/O,PD Processor Data Bus bit 0~15

93,94,95,

96,97,98

SA4~9

I,PD Address Bus 4~9

These pins are used to select the DM9010BI.

When SA9 and SA8 are in high states, and SA7 and AEN are in low

states, and SA6~4 are matched with strap pins TXD2~0, the DM9010BI is

selected.

92

CMD

I,PD Command Type

When high, the access of this command cycle is DATA port

When low, the access of this command cycle is INDEX port

91

IO16

O

Word Command Indication

When the access of internal memory is word or Dword width, this pin will

be asserted

This pin is low active at default; its polarity can be modified by EEPROM

setting. See the EEPROM content description for detail

100

INT

O,PD Interrupt Request

This pin is high active at default, its polarity can be modified by EEPROM

setting or strap pin MDC. See the EEPROM content description for detail

56,53,52,

51,50,49,

47,46,45,

44,43,41,

40,39,38

37

SD16~31 (in

double word

mode)

I/O,PD Processor Data Bus bit 16~31

These pins are used as data bus bits 16~31 when the DM9010BI is set to

double word mode (the straps pin EEDO is pulled high and WAKE is not

pull-high)

57

IO32 (in double

word mode)

O,PD Double Word Command Indication

This pins is used as the double word command indication when the

DM9010BI is set to double data word mode, and this pin will be asserted

when the access of internal memory is double word width

This pin is low active at default; its polarity can be modified by EEPROM

setting. See the EEPROM content description for detail

When the IO32 pin is pulled high, the INT pin is low active; otherwise the INT pin

is high active

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