MCF5272VF66 Freescale Semiconductor, MCF5272VF66 Datasheet - Page 259
![IC MPU 32BIT 66MHZ 196-MAPBGA](/photos/13/94/139412/mcf5272vf66_sml.jpg)
MCF5272VF66
Manufacturer Part Number
MCF5272VF66
Description
IC MPU 32BIT 66MHZ 196-MAPBGA
Manufacturer
Freescale Semiconductor
Series
MCF527xr
Specifications of MCF5272VF66
Core Processor
Coldfire V2
Core Size
32-Bit
Speed
66MHz
Connectivity
EBI/EMI, Ethernet, I²C, SPI, UART/USART, USB
Peripherals
DMA, WDT
Number Of I /o
32
Program Memory Size
16KB (4K x 32)
Program Memory Type
ROM
Ram Size
1K x 32
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Oscillator Type
External
Operating Temperature
0°C ~ 70°C
Package / Case
196-MAPBGA
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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Chapter 12
Universal Serial Bus (USB)
This chapter provides an overview of the USB module of the MCF5272, including detailed operation
information and the USB programming model. Connection examples and circuit board layout
considerations are also provided.
The USB Specification, Revision 1.1 is a recommended supplement to this chapter. It can be downloaded
from http://www.usb.org. Chapter 2 of this specification, Terms and Abbreviations, provides definitions of
many of the terms found here.
12.1
The universal serial bus (USB) is an industry-standard extension to the PC architecture. The USB
controller on the MCF5272 supports device mode data communication between itself and a USB host
device, 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, as shown in
connector and a peripheral B connector.
The USB cables contain four wires, two for data and two for power. The USB full-speed bit rate is
12 Mbps. A limited-capability, low-speed mode is also defined at 1.5 Mbps.
The MCF5272 includes the following features:
Freescale Semiconductor
•
•
•
•
•
•
•
•
Supports full-speed 12-Mbps USB devices and low-speed 1.5-Mbps devices
Full compliance with the Universal Serial Bus Specification, Revision 1.1
Automatic processing of USB standard device requests:
GET
SET
Supports either internal or external USB transceiver
Programmable 512-byte receive and 512-byte transmit FIFO buffers
USB device controller with protocol control and administration for up to eight endpoints, 16
interfaces, and 16 configurations
Programmable endpoint types with support for up to eight control, interrupt, bulk, or isochronous
endpoints
Independent interrupts for each endpoint
Introduction
_
_
FEATURE
DESCRIPTOR
Unless otherwise stated, all mention of the USB specification refers to
revision 1.1.
Figure
, and
MCF5272 ColdFire
12-1. Each wire segment is a point-to-point connection between the host A
,
GET
SET
_
_
INTERFACE
INTERFACE
®
Integrated Microprocessor User’s Manual, Rev. 3
,
GET
_
STATUS
NOTE
,
SET
_
ADDRESS
CLEAR
_
,
FEATURE
SET
_
CONFIGURATION
,
GET
_
CONFIGURATION
,
12-1
,
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