88F6281
Hardware Specifications
Doc. No. MV-S104859-U0 Rev. E
Copyright © 2008 Marvell
Page 4
Document Classification: Proprietary Information
December 2, 2008, Preliminary
FEATURES
The 88F6281 includes:
•
High-performance CPU core, running at up to
1.5 GHz, with integrated, four-way, set-associative
L1 16-KB I-cache/16-KB D-cache and unified,
256-KB, four-way, set-associative L2 cache
•
High-bandwidth dual-port DDR2 memory interface
(16-bit DDR2 SDRAM @ up to 800 MHz data rate)
•
PCI Express (x1) port with integrated PHY
•
Two Gigabit Ethernet (10/100/1000 Mbps) MACs
•
USB 2.0 port with integrated PHY
•
Two SATA 2.0 ports with integrated 3 Gbps SATA II
PHY
•
Security Cryptographic engine
•
S/PDIF (Sony/Philips Digital Interconnect Format) /
I
2
S (Integrated Interchip Sound) Audio in/out
interface
•
SD/SDIO/MMC interface
•
TDM SLIC/SLAC Codec interface
•
Two XOR engines, each containing two XOR/DMA
channels (a total of four XOR/DMA channels)
•
MPEG Transport Stream (TS) interface
•
SPI port with SPI flash boot support
•
8-bit NAND flash interface with boot support
•
Two 16550 compatible UART interfaces
•
TWSI port
•
50 multi-purpose pins
•
Internal Real Time Clock (RTC)
•
Interrupt controller
•
Timers
•
128-bit eFuse (one-time programmable memory)
Sheeva
™
CPU core
•
Up to 1.5 GHz
•
32-bit and 16-bit RISC architecture
•
Compliant with v5TE architecture, as published in
the ARM Architect Reference Manual, Second
Edition
•
Includes MMU to support virtual memory features
•
256-KB, four-way, set-associative L2 unified cache
•
16-KB, four-way, set-associative I-cache
•
16-KB, four-way, set-associative D-cache
•
64-bit internal data bus
•
Branch Prediction Unit
•
Supports JTAG/ARM ICE
•
Supports both Big and Little Endian modes
DDR2 SDRAM controller
•
16-bit interface
•
Up to 400 MHz clock frequency (800 MHz data
rate)
•
DDR SDRAM with a clock ratio of 1:N and 2:N
between the DDR SDRAM and the CPU core,
respectively
•
SSTL 1.8V I/Os
•
Auto calibration of I/Os output impedance
•
Supports four DRAM chip selects
•
Supports all DDR devices densities up to 2 Gb
•
Supports up to 32 open pages (page per bank)
•
Up to 2 GB total address space
•
Supports on-board DDR designs (no DIMM
support)
•
Supports 2T mode, to enable high-frequency
operation under heavy load configuration
•
Supports DRAM bank interleaving
•
Supports up to a 128-byte burst per single memory
access
PCI Express interface (x1)
•
PCI Express Base 1.1 compatible
•
Integrated low-power SERDES PHY, based on
proven Marvell
®
SERDES technology
•
Serves as a Root Complex or an Endpoint port
•
x1 link width
•
2.5 Gbps data rate
•
Lane polarity reversal support
•
Maximum payload size of 128 bytes
•
Single Virtual Channel (VC-0)
•
Replay buffer support
•
Extended PCI Express configuration space
•
Advanced Error Reporting (AER) support
•
Power management: L0s and software L1 support
•
Interrupt emulation message support
•
Error message support
PCI Express master specific features
•
Single outstanding read transaction
•
Maximum read request of up to 128 bytes
•
Maximum write request of up to 128 bytes
•
Up to four outstanding read transactions in
Endpoint mode
PCI Express target specific features
•
Supports up to eight read request transactions
•
Maximum read request size of 4 KB
•
Maximum write request of 128 bytes
•
Supports PCI Express access to all of the
controller’s internal registers
Two Integrated GbE (10/100/1000) MAC ports
•
Supports 10/100/1000 Mbps
•
Dedicated DMA for data movement between
memory and port
Содержание Integrated Controller 88F6281
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