Cascade Single Board Computer

The Cascade Single Board Computer (SBC) is designed to bring high configurability to听meet the demands of space. The 刘玥首次大战黑人Cascade SBC is a 3U extended SpaceVPX board听aligned to Space SOSA. The Cascade SBC board integrates the Microchip PIC64-HPSC漏听High-Performance Spaceflight Computing (HPSC) microprocessor which is a radiationhardened听10-Core RISC-V庐 processor with Layer 2 switch. The Cascade SBC cores provide听secure boot, dedicated system controller, and eight application cores. The application听cores include WorldGuard漏 isolation for independent applications, dual-core lockstep听for increased upset tolerance, and various shared or cache-isolated configurations.听The Cascade SBC enables a single board to support multiple payloads and spacecraft听bus processing needs within a single unit.

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Overview

The Cascade SBC enables a single听board to support multiple payloads and spacecraft bus processing needs within a single听unit. The general features available on the SBC are listed below:

Processor Function

听8 RISC-V Application Cores听

Per Core:听

听听听RISC-V Vector extension

听听听听听32KB I-Cache, 64KB D-Cache听

听听听听听256KB L2 Cache

8MB L3 Cache
Real Time Dual-Core Lockstep with听Fault Detection and Mitigation

- PCIe CXL Links

- WorldGuard/Fault Isolation

- RISC-V System Controller Processor

System and Power Management

- RISC-V Secure Controller Processor

Secure Boot

- Multiple Levels of Encryption

- Layer 2 Switch with TSN support

- VxWorks/Linux庐 Software Support听

- Debug Capabilities:

JTAG and HSSTP test ports

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Backplane I/O Functions

听Data Plane: 1G or 10G Ethernet
Expansion Plane: PCIe庐听 Gen 1,2,3 supported
Control Plane: SpW or 1G Ethernet
Utility Plane: I2C Utility Plane

Board Functions

16GBytes DDR4听
4Gbits MRAM Boot Code听
64GBytes SLC NAND FLASH
Chassis Manager

听听听听听听 - Power Control

听听听听听听 - Watchdog, Voltage and Temp Monitors

听听听听听听 - Multi-Boot Modes/Configurations

Radiation

听听听听听听听听听听听听- 50KRAD TID without shielding

听听听听听听听听听听听听- SEL: 78 MeV/cm2 after bootup

Flexible Power Management

听听听听听听听听听听听听- Power: 2W Standby, 25W Typical听

听听听听听听听听听听听听听(usage dependent)

Front Panel Functions听Configurable XMC

Optical 10G Ethernet

听听听听听听听听听听听听-听1G Ethernet

听听听听听听听听听听听听- 300Mbps SpaceWire with RMAP & Time

听听听听听听听听听听听听- 1PPS Time Sync In/Out

CASCADE SBC BOARD

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Features	Specifications
Form Factor	Extended 3U
Dimension	Form Factor: 220 x 100 x 40.64 mm (Width x Depthx Height)
Power Input	3.3V Auxiliary Power: Chassis Manager Only
Power Input	5V Main Power

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CASCADE SBC WITH ENCLOSURE (Optional)

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Features	Specifications
Form Factor	Extended 3U Box
Dimension	146.8 mm X 251.0 mm X 76.2 mm (Width x Depth x Height)
Power Input	28 卤 6 V Input EMI Filtered Isolated Power

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