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Davicom DM9000 Manuals
Manuals and User Guides for Davicom DM9000. We have
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Davicom DM9000 manual available for free PDF download: Manual
Davicom DM9000 Manual (55 pages)
ISA to Ethernet MAC Controller with Integrated 10/100 PHY
Brand:
Davicom
| Category:
Controller
| Size: 0 MB
Table of Contents
1 General Description
1
2 Block Diagram
1
Table of Contents
2
3 Features
4
4 Pin Configuration
5
Pin Configuration I: with MII Interface
5
Pin Configuration II: with 32-Bit Data Bus
6
5 Pin Description
7
MII Interface
7
Processor Interface
8
EEPROM Interface
9
Clock Interface
9
LED Interface
9
10/100 Phy/Fiber
10
Miscellaneous Pins
10
Power Pins
10
6 Vendor Control and Status Register Set
11
Network Control Register (00H)
13
Network Status Register (01H)
13
TX Control Register (02H)
13
TX Status Register I (03H)
14
TX Status Register II (04H)
14
RX Control Register (05H)
14
RX Status Register (06H)
15
Receive Overflow Counter Register (07H)
15
Back Pressure Threshold Register (08H)
15
Flow Control Threshold Register (09H)
16
RX/TX Flow Control Register (0AH)
16
EEPROM & PHY Control Register (0BH)
16
ROM & PHY Address Register (0CH)
17
EEPROM & PHY Data Register (0DH, 0EH)
17
Wake up Control Register (0FH)
17
Physical Address Register (10H~15H)
17
Multicast Address Register (16H~1DH)
18
General Purpose Control Register (1EH)
18
General Purpose Register (1FH)
18
TX SRAM Read Pointer Address Register
18
(22H~23H)
18
RX SRAM Write Pointer Address Register
19
(24H~25H)
19
Vendor ID Register (28H~29H)
19
Product ID Register (2AH~2BH)
19
Chip Revision Register (2CH)
19
Special Mode Control Register (2FH)
19
Memory Data Read Command Without Address Increment Register (F0H)
19
Memory Data Read Command with Address Increment Register (F2H)
19
Memory Data Read_Address Register (F4H~F5H)
19
Memory Data Write Command Without Address Increment Register (F6H)
19
Memory Data Write_Address Register (FAH~FBH)
20
TX Packet Length Register (FCH~FDH)
20
Interrupt Status Register (FEH)
20
Interrupt Mask Register (FFH)
20
7 EEPROM Format
21
1002 MII Register Description
22
Basic Mode Control Register (BMCR) - 00
23
Basic Mode Status Register (BMSR) - 01
24
PHY ID Identifier Register #1 (PHYID1) - 02
25
PHY Identifier Register #2 (PHYID2) - 03
25
Auto-Negotiation Advertisement Register
26
(Anar) - 04
26
Auto-Negotiation Link Partner Ability Register
27
(Anlpar) - 05
27
Auto-Negotiation Expansion Register (ANER)
27
DAVICOM Specified Configuration Register DSCR) – 16
28
(Dscr) - 16
28
DAVICOM Specified Configuration and Status
29
Register (DSCSR) - 17
29
10BASE-T Configuration/Status (10BTCSR)
30
9 Functional Description
31
Host Interface
31
Direct Memory Access Control
31
Packet Transmission
31
Packet Reception
31
100Base-TX Operation
32
4B5B Encoder
32
Scrambler
32
Parallel to Serial Converter
32
NRZ to NRZI Encoder
32
Converter
32
Driver
32
4B5B Code Group
33
100Base-TX Receiver
34
Signal Detect
34
Adaptive Equalization
34
To NRZI Decoder
34
Clock Recovery Module
34
NRZI to NRZ
34
Serial to Parallel
34
Descrambler
34
Code Group Alignment
35
4B5B Decoder
35
10Base-T Operation
35
Collision Detection
35
Carrier Sense
35
Auto-Negotiation
35
Power Reduced Mode
36
Power down Mode
36
Reduced Transmit Power Mode
36
600 DC and AC Electrical Characteristics
37
Absolute Maximum Rating (25∘C)
37
Operating Conditions
37
DC Electrical Characteristics
38
AC Electrical Characteristics & Timing Waveforms
39
TP Interface
39
Oscillator/Crystal Timing
39
Processor Register Read Timing
39
Processor Register Write Timing
40
External MII Interface Transmit Timing
41
External MII Interface Receive Timing
41
MII Management Interface Timing
42
EEPROM Interface Timing
42
11 Application Notes
43
Network Interface Signal Routing
43
10Base-T/100Base-TX Application Figure 11-1
43
10Base-T/100Base-TX
44
Power Decoupling Capacitors Figure 11-3
45
Ground Plane Layout Figure 11-4
46
Power Plane Partitioning Figure 11-5
47
Magnetics Selection Guide
48
Crystal Selection Guide Figure 11-6
48
Application of Reverse MII Figure 11-7
49
12 Package Information
50
LQFP 100L Outline Dimensions
50
13 Appendix
51
14 Order Information
53
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