Table Of Contents - Renesas R-IN32M4-CL2 User Manual

1. Product Overview .......................................................................................................................................... 1
1.1 Key Features ....................................................................................................................................................... 1
1.1.1 Superior PHY and Interface Technology ................................................................................................... 1
1.1.2 Best in Class Power Consumption ............................................................................................................. 1
1.1.3 Key Specifications ..................................................................................................................................... 1
1.2 Caution in This Manual<R> ............................................................................................................................... 1
2. Functional Descriptions ................................................................................................................................. 2
2.1 Twisted Pair Media Interface .............................................................................................................................. 2
2.1.1 Voltage Mode Line Driver ......................................................................................................................... 2
2.1.2 Autonegotiation and Parallel Detection ..................................................................................................... 3
2.1.3 Automatic Crossover and Polarity Detection ............................................................................................. 3
2.1.4 Manual MDI/MDIX Setting ...................................................................................................................... 4
2.1.5 Link Speed Downshift ............................................................................................................................... 4
2.2 ActiPHY Power Management............................................................................................................................. 5
2.2.1 Low Power State ........................................................................................................................................ 6
2.2.2 Link Partner Wake-Up State ...................................................................................................................... 6
2.2.3 Normal Operating State ............................................................................................................................. 6
2.3 LED Interface ..................................................................................................................................................... 7
2.3.1 LED Modes ................................................................................................................................................ 7
2.3.2 LED Port Swapping ................................................................................................................................... 8
2.3.3 LED Behavior ............................................................................................................................................ 8
2.4 Fast Link Failure Indication ................................................................................................................................ 9
2.5 Testing Features ................................................................................................................................................ 10
2.5.1 Ethernet Packet Generator ....................................................................................................................... 10
2.5.2 Far-End Loopback ................................................................................................................................... 11
2.5.3 Near-End Loopback ................................................................................................................................. 11
2.5.4 Connector Loopback ................................................................................................................................ 12
3. Registers...................................................................................................................................................... 13
3.1 Register and Bit Conventions ............................................................................................................................ 14
3.2 IEEE 802.3 and Main Registers ........................................................................................................................ 15
3.2.1 Mode Control ........................................................................................................................................... 16
3.2.2 Mode Status ............................................................................................................................................. 17
3.2.3 Device Identification................................................................................................................................ 17
Contents
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