Description
Conformity
1 Preface
2 Introduction
3 Pin Descriptions and Assignments
4 Global Functional Descriptions
5 Serial Peripheral Interface (SPI)
6 Ethernet MAC
7 Integrated PHY
8 Application Information
9 Operational Characteristics
10 Packaging Information
11 Register Descriptions
- 11.1 Open Alliance 10BASE-T1x MAC-PHY Standard Registers
- 11.2 MAC Registers
- 11.3 PHY PCS Registers
- 11.4 PHY PMA/PMD Registers
- 11.5 PHY Vendor Specific Registers
- 11.6 Miscellaneous Register Descriptions
  - 11.6.1 Queue Transmit Configuration
    Queue Transmit Configuration
  - 11.6.2 Queue Receive Configuration
    Queue Receive Configuration
  - 11.6.3 Pad Control Register
    Pad Control Register
  - 11.6.4 Clock Output Control
    Clock Output Control
  - 11.6.5 Miscellaneous
    Miscellaneous
  - 11.6.6 Device Identification
    Device Identification
  - 11.6.7 Bus Parity Control and Status
    Bus Parity Control and Status
  - 11.6.8 Configuration Protection Control
    Configuration Protection Control
  - 11.6.9 SRAM Error Correction Code Control
    SRAM Error Correction Code Control
  - 11.6.10 SRAM Error Correction Code Status
    SRAM Error Correction Code Status
  - 11.6.11 SRAM Error Correction Code Fault Injection Control
    SRAM Error Correction Code Fault Injection Control
  - 11.6.12 Event Capture 0 Control Register
    Event Capture 0 Control Register
  - 11.6.13 Event Capture 1 Control Register
    Event Capture 1 Control Register
  - 11.6.14 Event Capture 2 Control Register
    Event Capture 2 Control Register
  - 11.6.15 Event Capture 3 Control Register
    Event Capture 3 Control Register
  - 11.6.16 Event Capture Read Status Register
    Event Capture Read Status Register
  - 11.6.17 Event Capture Total Counts Register
    Event Capture Total Counts Register
  - 11.6.18 Event Capture Clock Seconds High Register
    Event Capture Clock Seconds High Register
  - 11.6.19 Event Capture Clock Seconds Low Register
    Event Capture Clock Seconds Low Register
  - 11.6.20 Event Capture Clock Nanoseconds Register
    Event Capture Clock Nanoseconds Register
  - 11.6.21 Event Capture Read Timestamp Register n
    Event Capture Read Timestamp Register n
  - 11.6.22 Phase Adjuster Cycles Register
    Phase Adjuster Cycles Register
  - 11.6.23 Phase Adjuster Control Register
    Phase Adjuster Control Register
  - 11.6.24 Event 0 Start Time Nanoseconds Register
    Event 0 Start Time Nanoseconds Register
  - 11.6.25 Event 0 Start Time Seconds Low Register
    Event 0 Start Time Seconds Low Register
  - 11.6.26 Event 0 Start Time Seconds High Register
    Event 0 Start Time Seconds High Register
  - 11.6.27 Event 0 Pulse Width Register
    Event 0 Pulse Width Register
  - 11.6.28 Event 0 Idle Time Register
    Event 0 Idle Time Register
  - 11.6.29 Event Generator 0 Control Register
    Event Generator 0 Control Register
  - 11.6.30 Event 1 Start Time Nanoseconds Register
    Event 1 Start Time Nanoseconds Register
  - 11.6.31 Event 1 Start Time Seconds Low Register
    Event 1 Start Time Seconds Low Register
  - 11.6.32 Event 1 Start Time Seconds High Register
    Event 1 Start Time Seconds High Register
  - 11.6.33 Event 1 Pulse Width Register
    Event 1 Pulse Width Register
  - 11.6.34 Event 1 Idle Time Register
    Event 1 Idle Time Register
  - 11.6.35 Event Generator 1 Control Register
    Event Generator 1 Control Register
  - 11.6.36 Event 2 Start Time Nanoseconds Register
    Event 2 Start Time Nanoseconds Register
  - 11.6.37 Event 2 Start Time Seconds Low Register
    Event 2 Start Time Seconds Low Register
  - 11.6.38 Event 2 Start Time Seconds High Register
    Event 2 Start Time Seconds High Register
  - 11.6.39 Event 2 Pulse Width Register
    Event 2 Pulse Width Register
  - 11.6.40 Event 2 Idle Time Register
    Event 2 Idle Time Register
  - 11.6.41 Event Generator 2 Control Register
    Event Generator 2 Control Register
  - 11.6.42 Event 3 Start Time Nanoseconds Register
    Event 3 Start Time Nanoseconds Register
  - 11.6.43 Event 3 Start Time Seconds Low Register
    Event 3 Start Time Seconds Low Register
  - 11.6.44 Event 3 Start Time Seconds High Register
    Event 3 Start Time Seconds High Register
  - 11.6.45 Event 3 Pulse Width Register
    Event 3 Pulse Width Register
  - 11.6.46 Event 3 Idle Time Register
    Event 3 Idle Time Register
  - 11.6.47 Event Generator 3 Control Register
    Event Generator 3 Control Register
  - 11.6.48 One Pulse-per-Second Control Register
    One Pulse-per-Second Control Register
  - 11.6.49 Synchronization Event Interrupt Enable Register
    Synchronization Event Interrupt Enable Register
  - 11.6.50 Synchronization Event Interrupt Disable Register
    Synchronization Event Interrupt Disable Register
  - 11.6.51 Synchronization Event Interrupt Mask Status Register
    Synchronization Event Interrupt Mask Status Register
  - 11.6.52 Synchronization Event Status Register
    Synchronization Event Status Register
Data Sheet Revision History
Microchip Information

11.6.6 Device Identification

Name:	DEVID
Address:	0x0094


Bit	31	30	29	28	27	26	25	24

Access	RO	RO	RO	RO	RO	RO	RO	RO
Reset	-	-	-	-	0	0	0	0


Bit	23	22	21	20	19	18	17	16
					MODEL[15:12]
Access	RO	RO	RO	RO	RO	RO	RO	RO
Reset	0	0	0	0	x	x	x	x


Bit	15	14	13	12	11	10	9	8
	MODEL[11:4]
Access	RO	RO	RO	RO	RO	RO	RO	RO
Reset	0	0	0	0	0	0	0	0


Bit	7	6	5	4	3	2	1	0
	MODEL[3:0]				REV[3:0]
Access	RO	RO	RO	RO	RO	RO	RO	RO
Reset	0	0	0	0	0	0	1	0

Bits 19:4 – MODEL[15:0] Model Number

Device’s model / product identification number

Value	Description
`8650h`	LAN8650
`8651h`	LAN8651

Bits 3:0 – REV[3:0] Revision Number

Device’s silicon revision identification number

Note: The default value of the this field varies dependent on the silicon revision number.

Value	Description
`0001`	Silicon Revision 1
`0010`	Silicon Revision 2

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