DM9010BI DAVICOM [Davicom Semiconductor, Inc.], DM9010BI Datasheet - Page 10
![no-image](/images/no-image-200.jpg)
DM9010BI
Manufacturer Part Number
DM9010BI
Description
Industrial-temperature 10/100 Mbps Single Chip Ethernet Controller With General Processor Interface
Manufacturer
DAVICOM [Davicom Semiconductor, Inc.]
Datasheet
1.DM9010BI.pdf
(60 pages)
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6,7,8,9,10,
Preliminary
Version: DM9010BI--DS-P01
January 12, 2010
93,94,95,
56,53,52,
51,50,49,
47,46,45,
44,43,41,
96,97,98
40,39,38
11,12,13,
89,88,87,
86,85,84,
83,82
100
92
91
37
57
14
IO32 (in double
SD16~31 (in
double word
word mode)
SD0~15
SA4~9
mode)
CMD
IO16
RST
INT
I/O,PD Processor Data Bus bit 16~31
I/O,PD Processor Data Bus bit 0~15
O,PD Interrupt Request
O,PD Double Word Command Indication
I,PD
I,PD
O
I
Industrial-temperature Single Chip Ethernet Controller with General Processor Interface
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.
Command Type
When high, the access of this command cycle is DATA port
When low, the access of this command cycle is INDEX port
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
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
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)
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
Hardware Reset Command, active high to reset the DM9010BI
DM9010BI
10
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