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MCF5272VM66 Datasheet(PDF) 8 Page - Freescale Semiconductor, Inc

Part No. MCF5272VM66
Description  This document provides an overview of the MCF5272 microprocessor features, including the major functional components.
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Manufacturer  FREESCALE [Freescale Semiconductor, Inc]
Direct Link  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

MCF5272VM66 Datasheet(HTML) 8 Page - Freescale Semiconductor, Inc

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MCF5272 Integrated Microprocessor Product Brief
MOTOROLA
MCF5272-Specific Features
its value is not greater than the width register value, and the output is set high. With a suitable low-pass filter,
the PWM can be used as a digital-to-analog converter.
1.4.3
Queued Serial Peripheral Interface (QSPI)
The QSPI module provides a serial peripheral interface with queued transfer capability. It supports up to 16
stacked transfers at a time, making CPU intervention between transfers unnecessary. Transfer RAMs in the
QSPI are indirectly accessible using address and data registers. Functionality is similar to the QSPI portion
of the QSM (queued serial module) implemented in the MC68332.
The QSPI has the following features:
Programmable queue to support up to 16 transfers without user intervention
Supports transfer sizes of 8 to 16 bits in 1-bit increments
Four peripheral chip-select lines for control of up to 15 devices
Baud rates from 129.4 Kbps to 33 Mbps at 66 MHz.
Programmable delays before and after transfers
Programmable clock phase and polarity
Supports wrap-around mode for continuous transfers
1.4.4
Universal Serial Bus (USB) Module
The USB controller on the MCF5272 supports device mode data communications with a USB host
(typically a PC). One host and up to 127 attached peripherals share USB bandwidth through a
host-scheduled, token-based protocol. The USB uses a tiered star topology with a hub at the center of each
star. Each wire segment is a point-to-point connection between the host connector and a peripheral
connector.
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com


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