APM82181 Embedded PPC MPU for Storage
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With processor speeds of up to 1 GHz, support for floating-point operations, USB 2.0 OTG, PCI-Express, SATA, Gigabit Ethernet, security, NAND Flash interfaces, and low power dissipation, the AppliedMicro APM82181 / APM82161 embedded processors are ideally suited for next generation NAS applications that require exceptionally low power and a small footprint.
Features
- Power™ 464 Processor Core
- CPU Speed (frequency): 800 MHz and 1 GHz
- 7-stage pipeline, executes up to two instructions per cycle
- 32-KB-I/32-KB-D L1 caches, 64-way set-associative
- High-Performance Floating Point Unit
- 5-stage FPU with 2.0 MFLOPS/MHz (SP/DP)
- Hardware support for IEEE 754
- Single-Precision and Double-Precision operation with thirty-two 64-bit floating-point register
- Single cycle throughput on most instructions
- L2 Cache and On-Chip Memory
- 256-KB L2/SRAM with parity protection
- 32-KB On-Chip Memory
- High-Bandwidth Bus Architecture
- 128-bit processor local bus (PLB) with a two-way crossbar
- Separate 128-bit read and 128-bit write data bus for each way
- Up to 12.8 GB/s of peak on-chip bandwidth at 200 MHz
- DDR2 SDRAM
- On-chip Double Data Rate 2 (DDR2) SDRAM controller with 32/16-bit interface
- Support for one rank of DDR2 SDRAM up to 512 MB