Microchip AT697F Bedienungsanleitung
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AT697F
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Rev. 7703E–AERO–08/11
Rad-Hard 32 bit
SPARC V8
Processor
AT697F
Features
• SPARC V8 High Performance Low-power 32-bit Architecture
– 8 Register Windows
• Advanced Architecture:
– On-chip Amba Bus
– 5 Stage Pipeline
– 32 KB 4-way associative Instruction Cache
– 16 KB 2-way associative Data Cache
• On-chip Peripherals:
– Memory Interface
PROM Controller
SRAM Controller
SDRAM Controller
–Timers
Two 32-bit Timers
Watchdog 32-bit Timer
– Two 8-bit UARTs
– Interrupt Controller with 8 External Programmable Inputs
– 32 Parallel I/O Interface
– 33MHz PCI Interface Compliant with 2.2 PCI Specification
• Integrated 32/64-bit IEEE 754 Floating-point Unit
• Fault Tolerance by Design
– Full Triple Modular Redundancy (TMR)
– EDAC Protection
– Parity Protection
• Debug and Test Facilities
– Debug Support Unit (DSU) for Trace and Debug
– IEEE 1149.1 JTAG Interface
– Four Hardware Watchpoints
• 8 and 32-bit boot-PROM Interface Possibilities with EDAC
• Operating range
–Voltages
3.3V ± 0.30V for I/O
1.8V ± 0.15V for Core
– Temperature
-55°C to 125°C
• Clock: 0 MHz up to 100 MHz
• Power consumption: 1 W at 100 MHz
• Performance:
– 86 MIPS (Dhrystone 2.1)
– 23 MFLOPS (Whetstone)
• Radiation Performance
– Tested up to a total dose of 300 krad (Si) according to the MIL-STD883 method
1019
– SEU error rate better than 1 E-5 error/device/day
– No Single Event Latchup below a LET threshold of 70 MeV.cm
2
/mg
• MCGA-349 (9g) and MQFP-256 packages
• Development Kit Including
– AT697 Evaluation Board
–AT697F Sample
2
AT697F
7703E–AERO–08/11
Description
The AT697F is a highly integrated, high-performance 32-bit RISC embedded processor
based on the SPARC V8 architecture. The implementation is based on the European
Space Agency (ESA) LEON2 fault tolerant model. By executing powerful instructions in
a single clock cycle, the AT697F achieves throughputs approaching 1MIPS per MHz,
allowing the system designer to optimize power consumption versus processing speed.
The AT697F is designed to be used as a building block in computers for on-board
embedded real-time applications. It brings up-to-date functionality and performance for
space application.
The AT697F only requires memory and application specific peripherals to be added to
form a complete on-board computer.
The AT697F contains an Integer Unit (IU), a Floating Point Unit (FPU), separate instruc-
tion and data caches, a hardware multiplier and divider, an interrupt controller, two 32-
bit timers and a watchdog, two UARTs, a general-purpose I/O interfaces, a PCI Inter
-
face and a flexible memory controller. The design is highly testable with support from an
embedded Debug Support Unit (DSU) with trace buffers and a JTAG interface for
boundary scan.
An idle mode holds the processor pipeline and allows Timer/Counter, Serial ports and
Interrupt system to continue functioning.
The processor is manufactured using the Atmel ATC18RHA CMOS process. It has been
especially designed for space by implementing on-chip concurrent transient and perma
-
nent error detection and correction.
The AT697F is pinout compatible with the AT697E.
Produktspezifikationen
| Marke: | Microchip |
| Kategorie: | Nicht kategorisiert |
| Modell: | AT697F |
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