SPRUJB5 February   2024 AM67 , AM67A , TDA4AEN-Q1 , TDA4VEN-Q1

 

  1.   1
  2.   Description
  3.   Get Started
  4.   Features
  5.   Applications
  6.   6
  7. 1Evaluation Module Overview
    1. 1.1 Introduction
    2. 1.2 Kit Contents
    3. 1.3 Device Information
    4. 1.4 Specification
  8. 2Hardware
    1. 2.1 Key Features and Interfaces
    2. 2.2 Power On/Off Procedure
    3. 2.3 Power Input
      1. 2.3.1 Power Input
      2. 2.3.2 Power Budget Considerations
    4. 2.4 User Inputs and Settings
      1. 2.4.1 Boot Configuration Settings
      2. 2.4.2 Board Configuration Settings
      3. 2.4.3 Reset Pushbutton
      4. 2.4.4 User Pushbutton And LEDs
    5. 2.5 Standard Interfaces
      1. 2.5.1 Audio Input/Output
      2. 2.5.2 DisplayPort and HDMI
      3. 2.5.3 Gigabit Ethernet
      4. 2.5.4 JTAG and Emulation
      5. 2.5.5 MicroSD Card Cage
      6. 2.5.6 PCIe Card Module
      7. 2.5.7 UARTs for Terminal and Logging
      8. 2.5.8 USB Interfaces
    6. 2.6 Expansion Interfaces
      1. 2.6.1 Camera Interface, 22-Pin Flex
      2. 2.6.2 Camera Interface, 40-Pin Expansion
      3. 2.6.3 CAN-Bus Interface
      4. 2.6.4 DSI Display Interface
      5. 2.6.5 OLDI/LVDS Display Interface
      6. 2.6.6 User Expansion Header
    7. 2.7 Circuit Details
      1. 2.7.1 Interface Mapping
      2. 2.7.2 I2C Address Mapping
      3. 2.7.3 GPIO Mapping
      4. 2.7.4 I2C GPIO Expander Mapping
      5. 2.7.5 Power Monitoring
      6. 2.7.6 Identification EEPROM
      7. 2.7.7 Memory and Storage
      8. 2.7.8 Power Distribution
  9. 3Hardware Design Files
    1. 3.1 Schematics
    2. 3.2 PCB Layouts
    3. 3.3 Bill of Materials (BOM)
  10. 4Compliance Information
    1. 4.1 Thermal Compliance
    2. 4.2 EMC, EMI, and ESD Compliance
  11. 5Additional Information
    1. 5.1 Known Hardware or Software Issues
    2. 5.2 Trademarks

2.4.1 Boot Configuration Settings

The boot mode for the EVM is defined by two banks of dip switches [SW3, SW4]. These switch settings are mapped directly to the BOOTMODE pins of the processor. See the technical reference manual (TRM) of the processor for a complete definition of all supported boot modes.

Note: An OFF setting provides a logic low level ('0') and an ON setting provides a logic high level ('1'). The Test Automation Interfaces provides capability to over-ride these switch settings, but that advanced feature not discussed in this manual.

As shown in the diagram, the BOOTMODE order is reversed from the Dip Switch assignment. For example, BOOTMODE [2:0] selects the PLL configuration. The EVM uses a 25Mhz clock source, thus BOOTMODE [2:0] must be set to '011'. Dip switch SW3[1:3] must be set to ON-ON-OFF or ‘110’ (order reversed).

GUID-20240213-SS0I-04QC-FPK9-2Q8QVKKHPS4R-low.jpg Figure 2-3 Dip Switch [SW3, SW4] Mapping to BOOTMODE

The default setting of the EVM is configured for Micro SD card boot. The boot settings are:

SW3[1:8] = 1100 0010 and SW4[1:8] = 0100 0000

Another common boot configuration is No-Boot. This is used when downloading code using an emulator/XDS110. That boot settings is:

SW3[1:8] = 1101 1111 and SW4[1:8] = 0000 0000

Other boot modes such as eMMC, Serial Flash, USB, Ethernet, and UART are supported. Please refer to processor's TRM for specific settings and complete list of supported modes.

Table 2-3 Processor Bootmode Settings [SW2 Switch 1-3]
Processor Boot SourceSW2.1SW2.2SW2.3
MicroSD Card [J32]OFFOFFOFF
Non-Volatile Flash (xSPI)OFFOFFON
eMMCONONOFF
ReservedOFFONON
UART (for Flashing)ONOFFON
No Boot (JTAG/Emulator)ONOFFOFF
Ethernet[J10]OFFONOFF