Chapter 2
Architecture
This section explains the architecture of T2080RDB-PC:
• Processor
• Power
• Reset
• Clocks
• DDR
• SerDes port
• Ethernet controllers
• Ethernet Management Interface
• I2C
• SPI interface
• Local bus
• SDHC interface
• USB interface
• RS-232
• JTAG/COP port
• Connectors, Headers, Jumper, Push buttons, and LEDs
• Temperature
• DIP switch definition
2.1 Processor
The T2080RDB-PC supports many features of the T2080 processor, as detailed in the following sections.
2.2 Power
The power supply system of the T2080RDB-PC system uses power from a standard 6-pin EPS, to provide power to the numerous
processors, CPLD, and peripheral devices.
• Monolithic power supply for VCC (powering internal cores and platform logic)
• DUT-specific power rails are instrumented such that current measurement is possible
• Automatic collection of voltage, current, and power is performed for critical supplies
• Mounting holes are provided of sufficient size to allow onboard supplies to be replaced by bench supplies
• All power supplies can be sequenced as per hardware specifications
The power supplies provided are organized into general categories and are described in the individual sections.
The diagram below shows the power supply architecture.
NXP Semiconductors
QorIQ T2080 Reference Design Board (T2080RDB-PC) User Guide, Rev. 1, 08/2021
User Guide 10 / 44
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