Marvel 88F6281 User Manual

Page of 140
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