dsp56800eerm Freescale Semiconductor, Inc, dsp56800eerm Datasheet - Page 6

• Manufacturer Part Number: dsp56800eerm
• Description: 16-bit Digital Signal Controllers
• Manufacturer: Freescale Semiconductor, Inc

Part 1 Overview
1.1 56F8357/56F8157 Features
1.1.1
1.1.2
Table 1-1
6
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Efficient 16-bit 56800E family controller engine with dual Harvard architecture
Up to 60 Million Instructions Per Second (MIPS) at 60 MHz core frequency
Single-cycle 16 × 16-bit parallel Multiplier-Accumulator (MAC)
Four 36-bit accumulators, including extension bits
Arithmetic and logic multi-bit shifter
Parallel instruction set with unique DSP addressing modes
Hardware DO and REP loops
Three internal address buses
Four internal data buses
Instruction set supports both DSP and controller functions
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/EOnCE debug programming interface
outlines the key differences between the 56F8357 and 56F8157 devices.
Core
Differences Between Devices
Quadrature Decoder
Temperature Sensor
Guaranteed Speed
Dedicated GPIO
Program RAM
Quad Timer
Data Flash
Feature
PWM
CAN
Table 1-1 Device Differences
56F8357 Technical Data, Rev. 15
60MHz/60 MIPS
56F8357
2 x 6
2 x 4
4KB
8KB
—
1
4
1
40MHz/40 MIPS
Not Available
Not Available
Not Available
Not Available
56F8157
1 x 6
1 x 4
2
7
Freescale Semiconductor
Preliminary