Interface Masters TAHOE 8622 User manual
TAHOE 8622 User Guide
REV: 01
07/27/2017
PAGE 1 OF 37
User Guide
for
TAHOE 8622
TAHOE 8622 User Guide
REV: 01
07/27/2017
PAGE 2 OF 37
TABLE OF CONTENTS
1. INTRODUCTION .......................................................................................................................................5
1.1 PRODUCT DESCRIPTION....................................................................................................................5
1.2 STANDARD FEATURES........................................................................................................................5
1.3 FUNCTIONAL DIAGRAM.....................................................................................................................7
1.4 PHYSICAL LAYOUT FOR SYSTEM........................................................................................................8
2. CN68XX PROCESSOR.............................................................................................................................11
2.1 CN68XX PROCESSOR OVERVIEW ....................................................................................................11
2.1.1 QLM Configuration .................................................................... Error! Bookmark not defined.
2.2 DDR3 DRAM CONTROLLER.............................................................................................................12
2.3 EMMC/SD INTERFACE.....................................................................................................................13
2.4 BOOT BUS.........................................................................................................................................14
2.5 ON-BOARD NETWORK INTERFACES.................................................................................................15
2.6 RGMII MANAGEMENT PORT PHY ...................................................................................................16
2.7 UART INTERFACE ............................................................................................................................17
3. USB 3.0.....................................................................................................................................................18
4. USB 2.0.....................................................................................................................................................19
5. ALTERA CPLD.........................................................................................................................................20
5.1 POWER SEQUENCING CONTROL .....................................................................................................20
5.2 ACCESS INTERFACE .........................................................................................................................21
5.3 I2C INTERFACE ................................................................................................................................21
5.4 SPI INTERFACE.................................................................................................................................21
5.5 DRIVE LED DATA STREAM ...............................................................................................................21
6. CONSOLE PORT......................................................................................................................................22
7. LED CONTROL........................................................................................................................................23
7.1 POWER LED 0...................................................................................................................................23
7.2 POWER LED 1...................................................................................................................................23
7.3 STATUS LED .....................................................................................................................................23
8. BOOT DEVICES.......................................................................................................................................24
8.1 SPI NOR FLASH................................................................................................................................24
8.2 SD CARD ...........................................................................................................................................24
8.3 EMMC...............................................................................................................................................24
8.4 SELECTING BOOT DEVICE...............................................................................................................25
9. I/O MODULES .........................................................................................................................................26
9.1 I/O MODULE ONE.............................................................................................................................27
9.2 I/O MODULE TWO ............................................................................................................................28
10. POWER.................................................................................................................................................29
10.1 POWER CONSUMPTION....................................................................................................................29
10.2 COOLING FAN ..................................................................................................................................30
11. ENCLOSURE........................................................................................................................................31
11.1 PHYSICAL DIMENSIONS ...................................................................................................................31
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11.2 MOUNTING EARS..............................................................................................................................31
11.3 SLIDING GUIDES ..............................................................................................................................32
......................................................................................................................................................................32
12. CUSTOMER SUPPORT .......................................................................................................................33
12.1 TECHNICAL ASSISTANCE..................................................................................................................33
12.2 LIFE SUPPORT POLICY ....................................................................................................................33
12.3 WARRANTY........................................................................................................................................34
13. ORDERING PART NUMBERS.............................................................................................................35
13.1 SYSTEM ORDERING PART NUMBERS...............................................................................................35
13.2 STANDARD CONFIGURATIONS.........................................................................................................36
13.3 MODULE PART NUMBERS................................................................................................................37
13.4 ACCESSORIES PART NUMBERS ........................................................................................................37
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TABLE OF FIGURES
Figure 1, TAHOE 8622 Block Diagram 7
Figure 2, 3D Image of TAHOE 8622 with Top View 8
Figure 3, 3D Image of TAHOE 8622 with Front View 9
Figure 4, 3D Image of TAHOE 8622 with Rear View 9
Figure 5, 3D Image for TAHOE 8622 with Cover OFF 10
Figure 6, TAHOE 8622 DDR3 Controller Functional Diagram 12
Figure 7, TAHOE 8622 eMMC Functional Diagram 13
Figure 8, TAHOE 8622 Boot Bus Functional Diagram 14
Figure 9, Network Interface Functional Diagram 15
Figure 10, TAHOE 8622 RGMII Management Functional Diagram 16
Figure 11, TAHOE 8622 UART Functional Diagram 17
Figure 12, TAHOE 8622 USB 3.0 Functional Diagram 18
Figure 13, TAHOE 8622 USB 2.0 Functional Diagram 19
Figure 14, TAHOE 8622 CPLD Functional Diagram 20
Figure 15, Console Port 22
Figure 16, LED Control 23
Figure 17, TAHOE 8622 TM13036 I/O Module Functional Diagram 27
Figure 18, TAHOE 8622 TM13035 I/O Module Functional Diagram 28
Figure 19, Cooling Fan of TAHOE 8622 30
Figure 20, TAHOE 8622 Mounting Ears 31
Figure 21, TAHOE 8622 Sliding Guides 32
TABLE OF Tables
Table 1, Console Port Setting.............................................................................................. 22
Table 2, Boot Device Register ............................................................................................. 25
Table 3, Boot Device Bits .................................................................................................... 25
Table 4,Input Power ............................................................................................................ 29
Table 5, Output Power......................................................................................................... 29
Table 6, Ordering Part Numbers......................................................................................... 35
Table 7, Standard Configurations ....................................................................................... 36
Table 8, Module Part Numbers............................................................................................ 37
Table 9, Accessories Part Numbers..................................................................................... 37
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1. Introduction
1.1 Product Description
The TAHOE 8622, a highly flexible 1U networking appliance designed for enterprise
Market. TAHOE 8622 is based on Cavium 64-bit MIPS technology
1.2 Standard Features
It provides the following external interfaces:
a) Four 1GE SFP ports.
b) One 10/100/1000 RJ45 management port
c) One RJ45 and one USB type B for system console
d) Two USB 3.0 type A Host ports
e) One SD card slot
f) Two hot swappable IO Modules
g) Four field replaceable dual stack fans
h) Two hot-swappable power supplies.
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Internally, the system provides:
a) CPU with up to 32 cores operating at 1.4 GHz
b) Four DDR3 DIMM sockets
c) NOR flash (128Mb/16MB) for boot code storage
d) eMMC flash (8GB)
e) TPM module
f) RTC module
g) Temperature sensors
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1.3 Functional Diagram
The below block diagram of TAHOE 8622 Board.
Figure 1, TAHOE 8622 Block Diagram
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1.4 Physical Layout for System
Figure 2, 3D Image of TAHOE 8622 with Top View
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Figure 3, 3D Image of TAHOE 8622 with Front View
Figure 4, 3D Image of TAHOE 8622 with Rear View
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Figure 5, 3D Image for TAHOE 8622 with Cover OFF
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