參數(shù)資料
型號(hào)： MSC8256TVT800B
廠(chǎng)商： FREESCALE SEMICONDUCTOR INC
元件分類(lèi)： 數(shù)字信號(hào)處理
英文描述： 0-BIT, OTHER DSP, PBGA783
封裝： 29 X 29 MM, LEAD FREE, PLASTIC, FCBGA-783
文件頁(yè)數(shù)： 1/68頁(yè)
文件大小： 910K
代理商： MSC8256TVT800B
Freescale Semiconductor
Data Sheet
Document Number: MSC8256
Rev. 3, 5/2011
2008–2011 Freescale Semiconductor, Inc.
MSC8256
FC-PBGA–783
29 mm
× 29 mm
Six StarCore SC3850 DSP subsystems, each with an SC3850 DSP
core, 32 Kbyte L1 instruction cache, 32 Kbyte L1 data cache,
unified 512 Kbyte L2 cache configurable as M2 memory in
64 Kbyte increments, memory management unit (MMU),
extended programmable interrupt controller (EPIC), two
general-purpose 32-bit timers, debug and profiling support,
low-power Wait, Stop, and power-down processing modes, and
ECC/EDC support.
Chip-level arbitration and switching system (CLASS) that
provides full fabric non-blocking arbitration between the cores
and other initiators and the M2 memory, shared M3 memory,
DDR SRAM controllers, device configuration control and status
registers, and other targets.
1056 Kbyte 128-bit wide M3 memory, 1024 Kbytes of which can
be turned off to save power.
96 Kbyte boot ROM.
Three input clocks (one global and two differential).
Five PLLs (three global and two Serial RapidIO PLLs).
Two DDR controllers with up to a 400 MHz clock (800 MHz data
rate), 64/32 bit data bus, supporting up to a total 2 Gbyte in up to
four banks (two per controller) and support for DDR2 and DDR3.
DMA controller with 32 unidirectional channels supporting 16
memory-to-memory channels with up to 1024 buffer descriptors
per channel, and programmable priority, buffer, and multiplexing
configuration. It is optimized for DDR SDRAM.
Up to four independent TDM modules with programmable word
size (2, 4, 8, or 16-bit), hardware-base A-law/
μ-law conversion,
up to 62.5 Mbps data rate for each TDM link, and with glueless
interface to E1 or T1 framers that can interface with
H-MVIP/H.110 devices, TSI, and codecs such as AC-97.
High-speed serial interface that supports two Serial RapidIO
interfaces, one PCI Express interface, and two SGMII interfaces
(multiplexed). The Serial RapidIO interfaces support 1x/4x
operation up to 3.125 Gbaud with a single messaging unit and two
DMA units. The PCI Express controller supports 32- and 64-bit
addressing, x4, x2, and x1 link.
QUICC Engine technology subsystem with dual RISC
processors, 48 Kbyte multi-master RAM, 48 Kbyte instruction
RAM, supporting two communication controllers for two Gigabit
Ethernet interfaces (RGMII or SGMII), to offload scheduling
tasks from the DSP cores, and an SPI.
I/O Interrupt Concentrator consolidates all chip maskable
interrupt and non-maskable interrupt sources and routes then to
INT_OUT, NMI_OUT, and the cores.
UART that permits full-duplex operation with a bit rate of up to
6.25 Mbps.
Two general-purpose 32-bit timers for RTOS support per SC3850
core, four timer modules with four 16-bit fully programmable
timers, and eight software watchdog timers (SWT).
Eight programmable hardware semaphores.
Up to 32 virtual interrupts and a virtual NMI asserted by simple
write access.
I2C interface.
Up to 32 GPIO ports, sixteen of which can be configured as
external interrupts.
Boot interface options include Ethernet, Serial RapidIO interface,
I2C, and SPI.
Supports standard JTAG interface
Low power CMOS design, with low-power standby and
power-down modes, and optimized power-management circuitry.
45 nm SOI CMOS technology.
Six-Core Digital Signal
Processor
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