参数资料
型号: DSP56852VFE
厂商: Freescale Semiconductor
文件页数: 34/48页
文件大小: 0K
描述: IC DSP 16BIT 120MHZ 81-MAPBGA
标准包装: 348
系列: 568xx
核心处理器: 56800E
芯体尺寸: 16-位
速度: 120MHz
连通性: EBI/EMI,SCI,SPI,SSI
外围设备: POR,WDT
输入/输出数: 11
程序存储器容量: 12KB(6K x 16)
程序存储器类型: SRAM
RAM 容量: 4K x 16
电压 - 电源 (Vcc/Vdd): 1.8 V ~ 3.3 V
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 81-LFBGA
包装: 托盘
56852 Technical Data, Rev. 8
4
Freescale Semiconductor
Part 1 Overview
1.1 56852 Features
1.1.1
Core
Efficient 16-bit engine with dual Harvard architecture
120 Million Instructions Per Second (MIPS) at 120MHz core frequency
Single-cycle 16
× 16-bit parallel Multiplier-Accumulator (MAC)
Four (4) 36-bit accumulators including extension bits
16-bit bidirectional shifter
Parallel instruction set with unique DSP addressing modes
Hardware DO and REP loops
Three (3) internal address buses and one (1) external address bus
Four (4) internal data buses and one (1) external data bus
Instruction set supports both DSP and controller functions
Four (4) hardware interrupt levels
Five (5) software interrupt levels
Controller-style addressing modes and instructions for compact code
Efficient C Compiler and local variable support
Software subroutine and interrupt stack with depth limited only by memory
JTAG/Enhanced OnCE debug programming interface
1.1.2
Memory
Harvard architecture permits as many as three simultaneous accesses to program and data memory
On-chip memory includes:
—6K
× 16-bit Program SRAM
—4K
× 16-bit Data SRAM
—1K
× 16-bit Boot ROM
21 External Memory Address lines, 16 data lines and four (4) programmable chip select signals
1.1.3
Peripheral Circuits for DSP56852
General Purpose 16-bit Quad Timer with two external pins*
One (1) Serial Communication Interface (SCI)*
One (1) Serial Port Interface (SPI) or one (1) Improved Synchronous Serial Interface (ISSI) module*
Interrupt Controller
Computer Operating Properly (COP)/Watchdog Timer
JTAG/Enhanced On-Chip Emulation (EOnCE) for unobtrusive, real-time debugging
81-pin MAPBGA package
Up to 11 GPIO
* Each peripheral I/O can be used alternately as a General Purpose I/O if not needed
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