Marvel Group Integrated Controller 88F6281 User Manual
Page 5

Features
Copyright © 2008 Marvell
Doc. No. MV-S104859-U0 Rev. E
December 2, 2008, Preliminary
Document Classification: Proprietary Information
Page 5
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Priority queuing on receive based on Destination 
Address (DA), VLAN Tag, and IP TOS
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Layer 2/3/4 frame encapsulation detection
•
TCP/IP checksum on receive and transmit
•
Supports proprietary 200 Mbps Marvell MII (MMII) 
interface
•
Supports four modes:
-
Port 0 RGMII, Port 1 RGMII
-
Port 0 RGMII, Port 1 MII/MMII
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Port 0 MII/MMII, port 1 RGMII
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Port 0 GMII, Port 1 N/A
•
DA filtering
Precise Timing Protocol (PTP)
•
Supports precise time stamping for packets, as 
defined in IEEE 1588 PTP v1 and v2 and IEEE 
802.1AS draft standards
•
Supports Flexible Time Application interface to 
distribute PTP clock and time to other devices in 
the system
•
Optionally accepts an external clock input for time 
stamping
Audio Video Bridging networks
•
Supports IEEE 802.1Qav draft Audio Video 
Bridging networks
•
Supports time- and priority-aware egress pacing 
algorithm to prevent bunching and bursting 
effects—suitable for audio/video applications
•
Supports Egress Jitter Pacer for AVB-Class A and 
AVB-Class B traffic and strict priority for legacy 
traffic queues
USB 2.0 port
•
Serves as a peripheral or host
•
USB 2.0 compliant
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Integrated USB 2.0 PHY
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Enhanced Host Controller Interface (EHCI) 
compatible as a host
•
As a host, supports direct connection to all 
peripheral types (LS, FS, HS)
•
As a peripheral, connects to all host types (HS, FS) 
and hubs
•
Up to four independent endpoints, supporting 
control, interrupt, bulk, and isochronous data 
transfers
•
Dedicated DMA for data movement between 
memory and port
Two Integrated Marvell 3 Gbps (Gen2i) SATA PHYs
•
Compliant with SATA II Phase 1 specifications
-
Supports SATA II Native Command Queuing 
(NCQ), up to 128 outstanding commands per 
port
-
Fully supports first party DMA (FPDMA)
-
Backwards compatible with SATA I devices
•
Supports SATA II Phase 2 advanced features
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3 Gbps (Gen2i) SATA II speed
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Port Multiplier (PM)—Performs FIS-based 
switching, as defined in SATA working group PM 
definition
-
Port Selector (PS)—Issues the protocol-based 
Out-Of-Band (OOB) sequence for selecting the 
active host port
•
Supports device 48-bit addressing
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Supports ATA Tag Command Queuing
SATA II Host Controller
•
Enhanced-DMA (EDMA) for the SATA ports
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Automatic command execution, without host 
intervention
•
Command queuing support, for up to 32 
outstanding commands
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Separate SATA request/response queues
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64-bit addressing support for descriptors and data 
buffers in system memory
•
Read ahead
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Advanced interrupt coalescing
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Target mode operation—supports attaching two 
88F6281 controllers through their Serial-ATA ports, 
enabling data communication between the 
88F6281 controllers
•
Advanced drive diagnostics via the ATA SMART 
command
Cryptographic engine
•
Hardware implementation on encryption and 
authentication engines, to boost packet processing 
speed
•
Dedicated DMA to feed the hardware engines with 
data from the internal SRAM memory or from the 
DDR memory
•
Implements AES, DES, and 3DES encryption 
algorithms
•
Implements SHA1 and MD5 authentication 
algorithms
S/PDIF / I
2
S Audio In/Out interface
•
Either S/PDIF or I
2
S inputs can be active at one
time
•
Both S/PDIF and I
2
S outputs can be
simultaneously active, transferring the same PCM 
data
S/PDIF-specific features
•
Compliant with 60958-1, 60958-3, and IEC61937 
specifications
•
Sample rates of 44.1/48/96 kHz
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16/20/24-bit depths
