ADMtek Inc.
V1.0
3.2
MAC Interface ............................................................................................... 3-13
3.2.1
Reduced Media Independent Interface (RMII) ...................................... 3-14
3.2.2
Receive Path for 100M........................................................................... 3-14
3.2.3
Receive Path for 10M............................................................................. 3-16
3.2.4
Transmit Path for 100M ........................................................................ 3-16
3.2.5
Transmit Path for 10M .......................................................................... 3-16
3.2.6
Serial and Source Synchronous Media Independent Interface.............. 3-17
3.2.7
100M Receive Path ................................................................................ 3-18
3.2.8
10M Receive Path .................................................................................. 3-19
3.2.9
100M Transmit Path .............................................................................. 3-20
3.2.10
10M Transmit Path ................................................................................ 3-20
3.3
LED Display .................................................................................................. 3-21
3.3.1
Single Color LED................................................................................... 3-21
3.3.2
Dual Color LED..................................................................................... 3-23
3.3.3
Serial Output LED Status ...................................................................... 3-23
3.3.4
RMII Mode (RSMODE1 = 1)................................................................. 3-24
3.3.5
SMII/SS_SMII Mode (RSMODE1 = 0).................................................. 3-24
3.4
Management Register Access........................................................................ 3-24
3.4.1
Preamble Suppression ........................................................................... 3-25
3.4.2
Reset Operation ..................................................................................... 3-25
3.5
Power Management ....................................................................................... 3-26
3.5.1
Medium Detect Power Saving................................................................ 3-26
3.5.2
Transmit Power Saving.......................................................................... 3-27
3.6
Voltage Regulator .......................................................................................... 3-28
Chapter 4 Register Description .................................................................................... 4-1
4.1
Register Mapping............................................................................................. 4-1
4.2
Register Bit Mapping....................................................................................... 4-2
4.2.1
Register #0h -- Control Register.............................................................. 4-2
4.2.2
Register #1h – Status Register ................................................................. 4-2
4.2.3
Register #2h – PHY ID Register (002E).................................................. 4-2
4.2.4
Register #3h – PHY ID Register (CC11) ................................................. 4-2
4.2.5
Register #4h – Advertisement Register .................................................... 4-2
4.2.6
Register #5h – Link Partner Ability Register........................................... 4-2
4.2.7
Register #6h – Auto Negotiation Expansion Register.............................. 4-2
4.2.8
Register #7h – # Fh Reserved .................................................................. 4-2
4.2.9
Register #10h – PHY Configuration Register.......................................... 4-2
4.2.10
Register #11h – 10M Configuration Register.......................................... 4-3
4.2.11
Register #12h – 100M Configuration Register........................................ 4-3
4.2.12
Register #13h – LED Configuration Register.......................................... 4-3
4.2.13
Register #14h – Interrupt Enable Register .............................................. 4-3
4.2.14
Register #16h – PHY Generic Status Register......................................... 4-3
4.2.15
Register #17h – PHY Specific Status Register......................................... 4-3
4.2.16
Register #18h – Recommend Value Storage Register ............................. 4-3
4.2.17
Register #19h – Interrupt Status Register................................................ 4-3
4.2.18
Register #1dh – Receive Error Counter .................................................. 4-4
ADM7008
ii
4.2.19
Register #1eh – Chip ID (8888) ............................................................... 4-4