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88F6281
Hardware Specifications
Doc. No. MV-S104859-U0 Rev. E Copyright © 2008 Marvell
Page 6 Document Classification: Proprietary Information December 2, 2008, Preliminary
I
2
S-specific features
• Sample rates of 44.1/48/96 kHz
• I
2
S input and I
2
S output operate at the same
sample rate
• 16/24-bit depths
• I
2
S in and I
2
S out support independent bit depths
(16 bit/24 bit)
• Supports plain I
2
S, right-justified and left-justified
formats
SD/SDIO/MMC host interface
• 1-bit/4-bit SDmem, SDIO, and MMC cards
• Up to 50 MHz
• Hardware generate/check CRC, on all command
and data transactions on the card bus
TDM SLIC/SLAC Codec interface
• Generic interface to standard SLIC/SLAC codec
devices
• Compatible with standard PCM highway formats
• TDM protocol support for two channels, up to
128 time slots
• Dedicated SPI interface for codec management
• Integrated DMA to transfer voice data to/from
memory buffer
Two XOR engines and DMA
• Two XOR/DMA channels per XOR engine (for a
total of four XOR/DMA channels)
• Chaining via linked-lists of descriptors
• Moves data from source interface to destination
interface
• Supports increment or hold on both Source and
Destination Addresses
• Supports XOR operation, on up to eight source
blocks—useful for RAID applications
• Supports iSCSI CRC-32 calculation
NAND flash controller
• 8-bit NAND flash interface
• Glueless interface to CE Care and CE Don’t Care
NAND flash devices
• Boot support
Serial Peripheral Interface (SPI) controller
• Up to 50 MHz clock
• Supports direct boot from external SPI serial flash
memory
MPEG Transport Stream (TS) interface
• ISO/IEC 13818-1 standard compliant
• Supports any one of the following modes:
- Parallel (8 bit) input
- Parallel output
- Two independent serial interfaces
• Data rate up to 80 Mbps
Two UART Interfaces
• 16550 UART compatible
• Two pins for transmit and receive operations
• Two pins for modem control functions
Two-Wire Serial Interface (TWSI)
• General purpose TWSI master/slave port
• Can also be used for serial ROM initialization
50 dedicated Multi-Purpose Pins (MPPs) for
peripheral functions and general purpose I/O
• Each pin can be configured independently.
• GPIO inputs can be used to register interrupts from
external devices, and to generate maskable
interrupts.
• Only two of the following multiplexed interfaces
may be configured simultaneously:
- Audio
- TS
- TDM
- GbE Port 0 in GMII mode or GbE Port 1
Interrupt Controller
Maskable interrupts to CPU core
(and PCI Express for a PCI Express endpoint)
Two general purpose 32-bit timers/counters
Internal architecture
• Mbus-L bus for high-performance, low-latency CPU
core to DDR SDRAM connectivity
• Advanced Mbus architecture
• Dual port DDR SDRAM controller connectivity to
both CPU and Mbus
Bootable from
• SPI flash
• SATA device
• NAND flash
• PCI Express
• UART (for debug purpose)
288-pin HSBGA package, 19 x 19 mm, 1 mm ball
pitch