AEROFLEX GAISLER
4
GR712RC-DS
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Two LEON3-FT SPARC V8 compliant 32-bit processors, each with:
• SPARC reference memory management unit (SRMMU) with 32 TLB entries
• High-performance double-precision IEEE-754 floating point co-processor (GRFPU)
• 16 KiB multi-way instruction cache and 16 KiB multi-way data cache
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Internal on-chip high speed AMBA (AHB) bus
Instruction trace and AMBA (AHB) trace buffers for debugging
Timer unit with four 32-bit timers including watchdog
Secondary timer unit with four 32-bit timers
Primary and secondary interrupt controller for 31 interrupts
On-chip 192 KiB memory block with EDAC
External memory support:
• Bus width: 8 bits, or 32 bit data plus 8/16 bits for EDAC checkbits, 24 bit address
• 8 bit BCH EDAC for SRAM and PROM, 16 bit Reed-Solomon EDAC for SDRAM
• Memory types: SRAM, SDRAM, PROM / EEPROM / NOR-FLASH and I/O address space
• Programmable wait-states:
• SRAM read/write cycle 2 - 5 clock cycles
• PROM / EEPROM / NOR-FLASH read cycle 2 - 32 clock periods
• One idle clock period between accesses to SRAM and PROM
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Debug Support Unit (DSU) accessed via JTAG and SpaceWire RMAP targets
Two SpaceWire ports with RMAP targets, maximum 200 Mbps full-duplex data rate
Configurable I/O selection matrix, connecting a subset of available I/O units to 67 shared pins:
• Four SpaceWire ports, maximum 200 Mbps full-duplex data rate
• Redundant MIL-STD-1553B BRM (BC/RT/BM) interface
• Two CAN 2.0B bus controllers
• Six UART ports, with 8-byte FIFO
• Ethernet MAC with RMII 10/100 Mbps port
• SPI master serial port
• I2C master serial port
• ASCS16 (STR) serial port
• SLINK 6 MHz serial port
• CCSDS / ECSS Telecommand decoder (five input channels), maximum 10 Mbps input rate
• CCSDS / ECSS Telemetry encoder, maximum 50 Mbps output rate
• 26 input and 38 input/output general purpose ports
Copyright Aeroflex Gaisler AB
February 2013, Issue 2.0
AEROFLEX [ AEROFLEX CIRCUIT TECHNOLOGY ]
