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부품번호 | 56853 기능 |
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기능 | 16-bit Digital Signal Controllers | ||
제조업체 | Freescale Semiconductor | ||
로고 | |||
전체 60 페이지수
56853
Data Sheet
Technical Data
56800E
16-bit Digital Signal Controllers
www.DataSheet4U.com
DSP56853
Rev. 6
01/2007
freescale.com
Part 1 Overview
1.1 56853 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 up to three (3) simultaneous accesses to program and data memory
• On-Chip Memory
— 12K × 16-bit Program SRAM
— 4K × 16-bit Data SRAM
— 1K × 16-bit Boot ROM
• Off-Chip Memory Expansion (EMI)
— Access up to 2M words of program memory or 8M data memory
— Chip Select Logic for glue-less interface to ROM and SRAM
1.1.3 Peripheral Circuits for 56853
• General Purpose 16-bit Quad Timer*
• Two (2) Serial Communication Interfaces (SCI)*
• Serial Peripheral Interface (SPI) Port*
• Enhanced Synchronous Serial Interface (ESSI) modules*
• Computer Operating Properly (COP)
56853 Technical Data, Rev. 6
4 Freescale Semiconductor
4페이지 1.5 Data Sheet Conventions
This data sheet uses the following conventions:
Data Sheet Conventions
OVERBAR
This is used to indicate a signal that is active when pulled low. For example, the RESET pin is
active when low.
“asserted”
A high true (active high) signal is high or a low true (active low) signal is low.
“deasserted” A high true (active high) signal is low or a low true (active low) signal is high.
Examples:
Signal/Symbol
Logic State
Signal State
Voltage1
PIN
True
Asserted
VIL/VOL
PIN
False
Deasserted
VIH/VOH
PIN
True
Asserted
VIH/VOH
PIN
False
Deasserted
VIL/VOL
1. Values for VIL, VOL, VIH, and VOH are defined by individual product specifications.
Freescale Semiconductor
56853 Technical Data, Rev. 6
7
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부품번호 | 상세설명 및 기능 | 제조사 |
56853 | 16-bit Digital Signal Controllers | Freescale Semiconductor |
56854 | 16-bit Digital Signal Controllers | Freescale Semiconductor |
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