参数资料
型号: DSP56321VF275
厂商: Freescale Semiconductor
文件页数: 1/84页
文件大小: 0K
描述: IC DSP 24BIT 275MHZ 196-BGA
标准包装: 126
系列: DSP56K/Symphony
类型: 定点
接口: 主机接口,SSI,SCI
时钟速率: 275MHz
非易失内存: ROM(576 B)
芯片上RAM: 576kB
电压 - 输入/输出: 3.30V
电压 - 核心: 1.60V
工作温度: -40°C ~ 100°C
安装类型: 表面贴装
封装/外壳: 196-FBGA
供应商设备封装: 196-MAPBGA(15x15)
包装: 托盘
Freescale Semiconductor
Technical Data
DSP56321
Rev. 11, 2/2005
Freescale Semiconductor, Inc., 2001, 2005. All rights reserved.
DSP56321
24-Bit Digital Signal Processor
The Freescale DSP56321, a member of the DSP56300 DSP family, supports networking, security encryption, and
home entertainment using 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 DSP56321 offers 275 million multiply- accumulates per second (MMACS) performance, attaining 550
MMACS when the EFCOP is in use. It operates with an internal 275 MHz clock with a 1.6 volt core and
independent 3.3 volt input/output (I/O) power. By operating in parallel with the core, the EFCOP provides overall
enhanced performance and signal quality with no impact on channel throughput or total channel support. This
device is pin-compatible with the Freescale DSP56303, DSP56L307, DSP56309, and DSP56311.
Figure 1. DSP56321 Block Diagram
YAB
XAB
PAB
YDB
XDB
PDB
GDB
MODB/IRQB
MODC/IRQC
10
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
80 K
× 24 bits
Y Data
RAM
80 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
and
OnCE
JTAG
PLL
Clock
Generator
Internal
Data
Bus
Switch
External
Data
Bus
Switch
The DSP56321 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. 11 includes the following
changes:
Adds lead-free packaging and
part numbers.
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