参数资料
型号: SPAKDSP311VF150
厂商: Freescale Semiconductor
文件页数: 1/96页
文件大小: 0K
描述: IC DSP 24BIT 196-MAPBGA
标准包装: 2
系列: DSP56K/Symphony
类型: 定点
接口: 主机接口,SSI,SCI
时钟速率: 150MHz
非易失内存: ROM(576 B)
芯片上RAM: 384kB
电压 - 输入/输出: 3.30V
电压 - 核心: 1.80V
工作温度: -40°C ~ 100°C
安装类型: 表面贴装
封装/外壳: 196-LBGA
供应商设备封装: 196-MAPBGA(15x15)
包装: 托盘
Freescale Semiconductor
Technical Data
DSP56311
Rev. 8, 2/2005
Freescale Semiconductor, Inc., 1999, 2005. All rights reserved.
DSP56311
24-Bit Digital Signal Processor
The Freescale DSP56311, a member of the DSP56300 DSP family, supports network applications with general filtering
operations. The Enhanced Filter Coprocessor (EFCOP) executes filter algorithms in parallel with core operations enhancing
signal quality with no impact on channel throughput or total channels supported. The result is increased overall performance.
Like the other DSP56300 family members, the DSP56311 uses a high-performance, single-clock-cycle-per- instruction engine
(DSP56000 code-compatible), a barrel shifter, 24-bit addressing, an instruction cache, and a direct memory access (DMA)
controller (see Figure 1). The DSP56311 performs at up to 150 million multiply-accumulates per second (MMACS), attaining
up to 300 MMACS when the EFCOP is in use. It operates with an internal 150 MHz clock with a 1.8 volt core and
independent 3.3 volt input/output (I/O) power.
Figure 1. DSP56311 Block Diagram
YAB
XAB
PAB
YDB
XDB
PDB
GDB
MODB/IRQB
MODC/IRQC
13
MODD/IRQD
DSP56300
6
16
24-Bit
24
18
DDB
DAB
Peripheral
Core
YM
_
E
B
XM
_
E
B
PM
_
E
B
PI
O
_
E
B
Expansion Area
6
5
3
RESET
MODA/IRQA
PINIT/NMI
EXTAL
XTAL
Address
Control
Data
Address
Generation
Unit
Six Channel
DMA Unit
Program
Interrupt
Controller
Program
Decode
Controller
Program
Address
Generator
Data ALU
24
× 24 + 56 →56-bit MAC
Two 56-bit Accumulators
56-bit Barrel Shifter
Power
Management
External
Bus
Interface
and
I - Cache
Control
Memory Expansion Area
DE
Program
RAM
32 K
× 24 bits
X Data
RAM
48 K
× 24 bits
Y Data
RAM
48 K
× 24 bits
External
Address
Bus
Switch
SCI
EFCOP
ESSI
HI08
Triple
Timer
or
31 K
× 24 bits
Instruction
Cache
1024
× 24 bits
Bootstrap
ROM
PCAP
and
OnCE
JTAG
PLL
Clock
Generator
Internal
Data
Bus
Switch
External
Data
Bus
Switch
The DSP56311 is intended
for applications requiring a
large amount of internal
memory, such as networking
and wireless infrastructure
applications. The onboard
EFCOP can accelerate
general filtering applications,
such as echo-cancellation
applications, correlation, and
general-purpose convolution-
based algorithms.
What’s New?
Rev. 8 includes the following
changes:
Adds lead-free packaging and
part numbers.
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