M52277EVB Freescale Semiconductor, M52277EVB Datasheet - Page 6

• Manufacturer Part Number: M52277EVB
• Description: BOARD DEMO FOR MCF5227
• Manufacturer: Freescale Semiconductor
• Series: ColdFire®r
• Type: MCUr

Specifications of M52277EVB

• Contents: Board
• Silicon Manufacturer: Freescale
• Core Architecture: Coldfire
• Core Sub-architecture: Coldfire V2
• Silicon Core Number: MCF52
• Silicon Family Name: MCF5227x
• Peak Reflow Compatible (260 C): Yes
• Rohs Compliant: Yes
• For Use With/related Products: MCF52277
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

5.6
The M52277EVB provides a BDM (Background Debug Mode) and JTAG Connector (26-pin header), J17,
to give the end-user the ability to utilize the BDM/JTAG features of the MCF52277 processor. In addition,
the M52277EVB provides an on board USB to BDM interface, J25.
5.7
The MCF52277 Processor contains a USB OTG module. This module is USB 2.0 compliant. It supports
host and device modes, and provides an on-chip full-speed/low-speed transceiver. One mini-AB receptacle
(USB 2.0 OTG) is provided on the M52277EVB.
5.8
Three are three external interrupt pins provided on the MCF52277. IRQ7_B is connected to push button
switch SW2 to provide a user driven ABORT signal. This signal is also connected to the LED D6 to denote
when this signal is asserted.
IRQ1_B and IRQ4_B are available on the University Breakout Connector, J1. IRQ1_B is also used as the
DAT1 line for the SD/MMC interface. IRQ4_B is also used as the DSPI chip select, DSPI_CS4 for the
Audio CODEC.
5.9
The MCF52277 provides four 32-bit timers with DMA support. DT0 - DT3 are connected to LEDs D4 -
D1. They can be disconnected from the LEDs by removing jumpers H6 - H3.
5.10
The DSPI Module on the MCF52277 interfaces with a 16Mbit Serial Flash memory and a TI stereo audio
CODEC. Both use the DSPI in SPI bus interface mode.
5.11
The MCF52277 includes 3 UART modules. The M52277EVB provides one standard RS232 line driver
necessary to interface with RS232 connectors. The board also supplies a USB-to-UART bridge to interface
with the MCF52277’s UART0. If using this option, a USB type B connector can be used to interface with
an external device, instead of the standard RS232 connector.
5.12
The M52277EVB provides two Freescale QuiccSupply MC34702 power regulators. These power
regulators provide 3.3V, 1.8V, and 1.5V to devices on the board. The regulators generate these voltages
from a 5V external supply. The 5V supply is provided through a barrel jack connector. A power switch is
provided to turn power to the board off.
6
BDM and JTAG Interfaces — Processor
USB 2.0 Host and Device
Interrupts
Timers
DSPI
RS232
Power Regulation
M52277 Evaluation Board, Rev. 0.8
Freescale Semiconductor