NXP Semiconductors EVB-VF522R3 User manual

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EVB-VF522R3
NXP SEMICONDUCTORS
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Freescale Semiconductor, Inc.
User’s Guide
© 2014 Freescale Semiconductor, Inc. All rights reserved.
1 Introduction
This user’s guide details the setup and configuration of the
Freescale Automotive Evaluation Board (hereafter referred
to as the EVB). The EVB is intended to provide a mechanism
for easy customer evaluation of the heterogeneous dual-core
Vybrid family, and to facilitate hardware and software
development.
The SVF522R3K1CMK4 MCU used on the EVB has
following characteristics:
• 500 MHz 32-bit ARM® Cortex®-A5 core,
• Dual TFT display,
• Dual USB OTG with built-in HS / FS / LS PHY,
• Dual 10 / 100 MAC (Ethernet) with L2 switch,
• Advanced security,
• -40°C to 85°C operating temperature range.
The EVB as a whole, however, is intended for bench /
laboratory use and has been designed using commercial
temperature-range specified components (up to +70°C).
Document Number: EVBVF522R3UG
Rev. 0, 11/2014
Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
2. Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
3. Configuration overview . . . . . . . . . . . . . . . . . . . . . . . 4
4. Power management scheme . . . . . . . . . . . . . . . . . . . . 5
5. Clocking scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
6. MCU reset block . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
7. Peripheral reset-control multiplexer . . . . . . . . . . . . . 13
8. MCU reset boot configuration . . . . . . . . . . . . . . . . . 14
9. Debug interfaces (P15, P16) . . . . . . . . . . . . . . . . . . . 15
10. On-board memory . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
11. Communication interfaces . . . . . . . . . . . . . . . . . . . . 17
12. Video interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
13. Audio blocks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
14. User I/O and control . . . . . . . . . . . . . . . . . . . . . . . . . 24
15. MCU I/O connections and pin usage . . . . . . . . . . . . 30
16. Configuration settings . . . . . . . . . . . . . . . . . . . . . . . . 32
17. Getting started . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
18. Reference documents . . . . . . . . . . . . . . . . . . . . . . . . 35
19. Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
EVB-VF522R3 Platform User’s Guide

EVB-VF522R3 Platform User’s Guide, Rev. 0, 11/2014
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Features
CAUTION
The EVB contains components that may be damaged by electrostatic
discharge. Observe precautions for handling electrostatic-sensitive devices
when using this EVB.
1.1 Peripheral daughtercards
The EVB has connectors / headers for various daughtercards that provide additional peripheral
functionality (see Section 14, “User I/O and control” for details). These are not supplied with the EVB and
may be sourced separately.
CAUTION
Daughtercards are usually not hot-swappable; ensure that the EVB is
powered OFF prior to fitting or removing a daughtercard.
2Features
Shown in Figure 1, the EVB has the following features:
• Single 12V ± 2V / 2A DC external power supply input (via a 2.1 mm barrel-style power jack) with
on-board voltage regulators.
• LED status indication for all the power rails.
• Inherent “Enable” for the major power rails.
• Power-on, manual, and JTAG reset with status LED.
• Configurable reset multiplexer (controlled over SPI/I2C) providing reset control of the major
peripheral blocks.
• RCON (reset configuration) jumpers and full 32-bit switches.
• 20-pin JTAG and 10-pin ARM Cortex debug headers.
• Two incremental encoders and four dedicated station preset buttons.
• High-speed CAN transceiver routed to 4-pin header.
• SCI transceiver (routed to standard DB9 connector) and LIN transceiver (routed to Molex 4-pin
connector) on shared SCI0 channel.
• Board-to-board MAC (Ethernet) connector, e.g. for Ethernet daughtercard.
• Two MCU USB interfaces based on “On-The-Go Micro AB” and “Type A Host” connectors with
full 500 mA support each.
• 1G (64M x 16) DDR3 SDRAM IC.
• Three QuadSPI Flash ICs, 256 MB each.
• SD card slot.
• Four “Video In” (RCA “phono”) inputs with direct connection to MCU video ADC.
• Unified 24-bit DCU connector (QSH-060-01-L-D-A) with analog and I2C support for basic touch
screen operation; matches Freescale LCD and HDMI daughtercards.
• MLB daughtercard connector.

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Features
• Potentiometer (variable resistor) on MCU ADC channel 0.
• Headers for all accessible, GPIO and analog, signals not used elsewhere on the EVB.
• “Aux in” audio connector (3.5 mm), with filter and standalone ADC IC.
• Left and right SPI-based microphones.
• Standalone DSP for audio processing.
• SPI Serial Flash IC, 32 MB (dedicated to DSP, optional usage).
• Twin DAC, filter, and headphone amplifiers for audio outputs (3.5 mm connectors).
• Radio tuner daughtercard connector.
•TwoI
2C daughtercard connectors.
• Bluetooth® daughtercard connector.
• Generic CD connector.
NOTE
To alleviate confusion between jumpers and headers, all EVB jumpers are
implemented as 2 mm pitch, whereas headers are 0.1” (2.54 mm). This
prevents inadvertently fitting a jumper to a header.
CAUTION
Before the EVB is used or power is applied, please, fully read this user
manual.
Failure to correctly configure the board may cause irreparable damage.
Power must be removed from the EVB prior to:
• Removing or installing daughtercards or other connectors.
• Reconfiguring the board jumpers or switches.
Figure 1. Freescale Automotive Evaluation Board (EVB) overview

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Configuration overview
3 Configuration overview
The EVB has been designed with ease of use in mind; its functional blocks are shown in Figure 2 and
Figure 3 below. Explained are the power, reset, clocks, and debug configuration settings, which are the
minimum required to power on the EVB.
Figure 2. EVB functional blocks (top view)

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Freescale Semiconductor, Inc. 5
Power management scheme
Figure 3. EVB functional blocks (top view)
4 Power management scheme
4.1 External power connector (P12)
The EVB requires a DC supply of 12V ± 2V capable of 2A, which allows easy use in a vehicle as well as
copying the design for automotive applications. A standard 2.1 mm barrel connector type is used. Care
must be taken to ensure the correct polarization as shown in Figure 4 below.
Figure 4. 2.1 mm power connector

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Power management scheme
4.2 Switch-mode voltage regulator (U7)
An automotive-grade triple-output switch-mode voltage regulator generates:
• 1.5V to power the main MCU core voltage regulator (default), MCU DDR interface, and DDR
memory,
• 3.3V to power the main MCU core voltage regulator (to test low-power applications, e.g. without
DDR), main MCU supply, and EVB peripherals,
• 5V to power the MCU USB interface and EVB peripherals.
Each output has a “Power-Good” LED indicator as well as an inherent “Enable” feature.
4.3 Linear voltage regulators (U511, U1, U513)
Three voltages are generated using linear voltage regulators:
• Optional 1.2V to power the MCU analog 1.2V blocks (instead of using filtered MCU core supply),
• 1.8V to power the audio/DSP circuitry,
• Optional 3.3V to power the MCU analog 3.3V blocks and other EVB circuitry (instead of using
filtered MCU supply).
The 1.2V and 1.8V outputs have LED status indicators.
4.4 Power status LEDs (DS1 to DS6)
Five voltage outputs have green LED status indicators as shown in Table 1.
If no LEDs are illuminated when power is applied to the EVB, it is possible that the external power source
polarity is incorrect. The EVB will not be damaged, though, thanks to the series diode D500 on the power
input.
Although all the voltage regulators have output overload protection, it is strongly recommended to prevent
their outputs from being shorted. If this happens, damage is likely to occur to the EVB and/or components.
4.5 Backup battery (BT500)
When the external power supply fails, the Secure Real-Time Clock (SecureRTC) module of the MCU
operates from the on-board coin cell battery. Its holder accommodates a 20 mm diameter 3V lithium-ion
Table 1. Power status LEDs
LED Legend Description
DS1 1.8VL Linear 1.8V
DS3 1.2VL Linear 1.2V
DS4 1.5VS Switch-mode 1.5V “Power-Good”
DS5 3.3VS Switch -mode 3.3V “Power-Good”
DS6 5VS Switch -mode 5.0V “Power-Good”

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Power management scheme
battery, for example 2032 or 2025, and the J8 header (see Table 15) selects if the MCU VBAT pin is
powered from it or the main MCU 3.3V rail (see Figure 5).
Figure 5. Backup battery
4.6 MCU supply routing
4.6.1 MCU core power
An external ballast transistor (Q2) is used to generate 1.2V for the MCU core (see Figure 6); depending
on the R28 configuration (see Table 15), its collector can be powered from one of the below rails:
• 1.5V (default),
• 3.3V (to test low-power applications without 1.5V rail, e.g. without DDR); in this case, the optional
diodes D2 and D3 shall be populated.
Refer to the AN4807 Application Note for details.
Figure 6. MCU core power

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Power management scheme
4.6.2 Analog MCU power scheme
The four analog MCU power rails, VDD12_AFE, VCC_3V3_AFE, VCC_3V3_ADC, and VREF_3V3,
have two powering options (see Figure 7):
1. The default, cost-efficient option through a series ferrite bead filtering the relevant main power rail,
2. The optional, more expensive option when high-quality ADC and DAC performance required -
from the dedicated linear voltage regulators (unpopulated by default).
Details of using the option-selection components, FB504, R632, and R625, as well as J6, the ON/OFF
jumper for the optional linear 1.2V regulator (U511), are described in Table 15.
The optional linear 3.3V regulator (U513) does not have an ON/OFF feature
Figure 7. Analog MCU supplies
4.7 Measuring MCU power consumption
The EVB design provides means for measuring currents in the major MCU power rails.

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Power management scheme
4.7.1 Measuring main 3.3V current
Header J9 (see Figure 8 and Table 15) is intended for measuring current in the MCU 3.3V power rail.
Diode DD2 in parallel to it guarantees the 3.3V power is uninterrupted even when J9 open.
Figure 8. Measuring MCU 3.3V rail current
4.7.2 Measuring USB PHY current
Headers J4 and J7 controlling power for the MCU USB PHYs (see Section 11.4, “Dual USB interface (P1,
P9)”) may also be used to measure current if their jumpers are replaced with an ammeter (see Figure 21
and Table 15).
4.7.3 Measuring 1.2V current
Due to layout constraints, there is no dedicated header to measure the MCU 1.2V current, but it can be
done if a 0-Ohm resistor in the R28 location (see Figure 6 and Table 15) is replaced with a current-sense
one. For user’s convenience, eight 0.02-Ohm 1% current-sense resistors are provided on the board (see
Figure 9).