TK3715 Data Sheet
Turbo-EPON
TM
SoC Bridge for China Standard ONU
Page 4 of 58 Rev 1.00
Confidential - View Under NDA Only
Table of Contents
1 TK3715 Pin Information................................................................................................................................................10
1.1 TK3715 Pin Descriptions ..................................................................................................................................... 12
2 TK3715 Functional Description ...................................................................................................................................19
2.1 10/100 Ethernet MAC and 10/100/1000 Ethernet MAC....................................................................................... 20
2.2 Classification and Filtering...................................................................................................................................21
2.2.1 MAC Address Learning and Filtering ...................................................................................................... 22
2.2.2 Packet Modification................................................................................................................................. 23
2.2.3 Static Entry Filtering................................................................................................................................23
2.2.4 Match Fields ...........................................................................................................................................23
2.2.5 IPv6 Extension Header Parsing..............................................................................................................23
2.2.6 Rule Levels............................................................................................................................................. 24
2.3 Packet Buffer Configuration................................................................................................................................. 24
2.3.1 Connecting Queues ................................................................................................................................24
2.4 Ethernet PON MAC ............................................................................................................................................. 25
2.5 EPON Transceiver Interface................................................................................................................................26
2.6 Reference Oscillator ............................................................................................................................................ 28
2.7 Internal 80C51 Processor....................................................................................................................................31
2.8 GPIO and GPO Interface.....................................................................................................................................31
2.9 UART Interface....................................................................................................................................................33
2.10 Ethernet Serial Management Interface (MDIO) ...................................................................................................33
2.11 JTAG Interface .................................................................................................................................................... 34
2.12 Power Sequencing and Reset ............................................................................................................................. 34
2.13 Noise Decoupling and Power Supply Recommendations.................................................................................... 35
2.13.1 Core Logic Power Supply ....................................................................................................................... 35
2.13.2 I/O Power Supply.................................................................................................................................... 35
3 TK3715 AC and DC Specifications..............................................................................................................................36
3.1 Absolute Maximum Ratings................................................................................................................................. 36
3.2 Recommended Operating Conditions ................................................................................................................. 37
3.3 DC Characteristics ..............................................................................................................................................38
3.4 AC Characteristics............................................................................................................................................... 39
3.4.1 System and SerDes Clocks Timing ........................................................................................................ 39
3.4.2 Local-Side MII Input Timing of the 10/100 Ethernet Port ........................................................................ 40
3.4.3 Local-Side MII Output Timing of the 10/100 Ethernet Port ..................................................................... 41
3.4.4 Local-Side MII/GMII Input Timing of the 10/100/1000 Ethernet Port....................................................... 42
3.4.5 Local-Side MII/GMII Output Timing of the 10/100/1000 Ethernet Port.................................................... 43
3.4.6 Local-Side TBI/GMII Input Timing........................................................................................................... 44
3.4.7 Local-Side TBI/GMII Output Timing ........................................................................................................ 45
3.4.8 Ethernet Serial Management Timing (MDIO).......................................................................................... 46
3.4.9 SerDes Timing ........................................................................................................................................ 47
3.4.10 SPI Timing .............................................................................................................................................. 48
3.4.11 Reset and CLK_25 Timing...................................................................................................................... 49
4 TK3715 Physical Dimensions ......................................................................................................................................50
4.1 LQFP-128 Package ............................................................................................................................................. 50
4.1.1 LQFP-128 Exposed Pad PCB Design Guidelines................................................................................... 52
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