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TQMa335xL
User's Manual
TQMa335xL UM 0101
20.09.2019

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Summary of Contents for TQ TQMa335xL

  • Page 1 TQMa335xL User's Manual TQMa335xL UM 0101 20.09.2019...
  • Page 2: Table Of Contents

    User's Manual l TQMa335xL UM 0101 l © 2019, TQ-Systems GmbH Page i TABLE OF CONTENTS ABOUT THIS MANUAL ................................. 1 Copyright and license expenses .............................. 1 Registered trademarks ................................1 Disclaimer ....................................... 1 Imprint ......................................1 Tips on safety ....................................2 Symbols and typographic conventions..........................
  • Page 3 User's Manual l TQMa335xL UM 0101 l © 2019, TQ-Systems GmbH Page ii TABLE OF CONTENTS (continued) 3.2.5 Reset ......................................22 3.2.6 WDOG ......................................23 3.2.7 Power supply ....................................23 3.2.7.1 Main power supply ................................... 23 3.2.7.2 Overview TQMa335xL supply ..............................23 3.2.7.3...
  • Page 4 User's Manual l TQMa335xL UM 0101 l © 2019, TQ-Systems GmbH Page iii TABLE DIRECTORY Table 1: Terms and Conventions ................................2 Table 2: AM335x derivatives ..................................7 Table 3: Boot sequence ....................................8 Table 4: Oscillator frequency ..................................9 Table 5: General boot configuration CLKOUT1 ...........................
  • Page 5 TQMa335xL dimensions (2) ..............................31 Illustration 14: TQMa335xL side view ................................31 Illustration 15: Recommended PCB land pattern for TQMa335xL, top view through TQMa335xL ........... 31 Illustration 16: TQMa335xL top view (3D) ..............................32 Illustration 17: TQMa335xL bottom view (3D) .............................. 32 Illustration 18: TQMa335xL component placement top ..........................
  • Page 6: About This Manual

    User's Manual, or due to usage of erroneous or incomplete information, are exempted, as long as there is no proven intentional or negligent fault of TQ-Systems GmbH. TQ-Systems GmbH explicitly reserves the rights to change or add to the contents of this User's Manual or parts of it without special notification.
  • Page 7: Tips On Safety

    Handling and ESD tips General handling of your TQ-products The TQ-product may only be used and serviced by certified personnel who have taken note of the information, the safety regulations in this document and all related rules and regulations. A general rule is: do not touch the TQ-product during operation. This is especially important when switching on, changing jumper settings or connecting other devices without ensuring beforehand that the power supply of the system has been switched off.
  • Page 8: Naming Of Signals

    User's Manual l TQMa335xL UM 0101 l © 2019, TQ-Systems GmbH Page 3 Naming of signals A hash mark (#) at the end of the signal name indicates a low-active signal. Example: RESET# If a signal can switch between two functions and if this is noted in the name of the signal, the low-active function is marked with a hash mark and shown at the end.
  • Page 9: Brief Description

    User's Manual l TQMa335xL UM 0101 l © 2019, TQ-Systems GmbH Page 4 BRIEF DESCRIPTION This User's Manual describes the hardware of the TQMa335xL revision 02xx, and refers to some software settings. It does not replace the AM335x Reference Manual. ®...
  • Page 10: Available Interfaces

    More UARTs All useful AM335x signals are routed to the TQMa335xL pads. There are no restrictions for customers using the TQMa335xL with respect to an integrated customised design. Please take note of that not all listed interfaces can be used simultaneously.
  • Page 11: Electronics

    User's Manual l TQMa335xL UM 0101 l © 2019, TQ-Systems GmbH Page 6 ELECTRONICS The information provided in this User's Manual is only valid in connection with the tailored boot loader, which is preinstalled on the TQMa335xL, and the BSP provided by TQ-Systems GmbH, see also section 4.
  • Page 12: System Components

    The following illustration shows the AM335x processor family block diagram: Illustration 3: Block diagram AM335x (Source: Texas Instruments) 3.2.1.1 AM335x derivatives Depending on the TQMa335xL version, one of the following AM335x derivatives is assembled: Table 2: AM335x derivatives Description Part number Clock AM335x mask junction...
  • Page 13: Boot Modes

    After power-up the boot code initialises the hardware and then loads the program image from the selected boot device. The integrated eMMC can be selected as standard boot device for the TQMa335xL. More external boot devices are available as an alternative to eMMC.
  • Page 14: Boot Configuration

    With bits SYSBOOT[15:14] and SYSBOOT[5] some general settings are carried out, independent from the boot device. The value in the following table printed in bold is used on account of the 24 MHz oscillator assembled on the TQMa335xL. The bits SYSBOOT[15:14] set the frequency of the oscillator.
  • Page 15: Boot Interfaces

    User's Manual l TQMa335xL UM 0101 l © 2019, TQ-Systems GmbH Page 10 3.2.1.4 Boot interfaces The configuration of the following boot devices is described in the next sections: • MMC0 (external SD card) • MMC1 (eMMC on TQMa335xL) •...
  • Page 16: Memory

    Memory 3.2.2.1 DDR3L SDRAM The TQMa335xL is equipped with one DDR3L SDRAM chip with a data bus width of 16 bits. The AM335x supports 303 to 400 MHz bus clock. In the BSP provided by TQ-Systems GmbH the memory is clocked with 400 MHz.
  • Page 17: Am335X-Rtc, Pmic-Rtc

    The accuracy of the RTC is mainly determined by the characteristics of the quartz used. The 32.768 kHz crystal type FC-135 used on the TQMa335xL has a standard frequency tolerance of ±20 ppm @ +25 °C. (Parabolic coefficient: max. –0.04 × 10 –6...
  • Page 18: Interfaces

    3.2.4.1 Overview The TQMa335xL provides interfaces with primary function. These can be used simultaneously independent from its configuration. If a secondary function (e.g. MII0) is required, some primary functions may be omitted. More information regarding availability and pinout can be found in the AM335x Data Sheet (1) and the AM335x Reference Manual (3).
  • Page 19: Gigabit Ethernet Mac

    Gigabit Ethernet MAC The AM335x provides a 10/100/1000 Mbit MAC Core. Two Ethernet interfaces are routed to the TQMa335xL pads using the 3-port switch. The switch supports two MII, RMII and RGMII. The following table shows the signals used. Table 13:...
  • Page 20: Mmc / Sd Card

    3.2.4.4 MMC / SD card An SD card can be connected to the TQMa335xL. The MMC0 controller is routed to the TQMa335xL pads for this purpose. The MMC0 interface supports SD and SDIO as well. The following table shows the signals used by the SD card interface.
  • Page 21: Jtag / Debug

    3.2.4.8 Touch and analog inputs The AM335x provides analog inputs including a touch interface. These inputs are routed to the TQMa335xL pads. For the analog inputs a reference voltage of 1.8 V ±3 % is provided on the TQMa335xL. The following table shows the signals used by the analog interface.
  • Page 22: Lcd Controller

    User's Manual l TQMa335xL UM 0101 l © 2019, TQ-Systems GmbH Page 17 3.2.4.9 LCD controller The LCD controller of the AM335x supports up to 24-bit (RGB) with a resolution of up to WXGA (1366 × 768). All necessary pins are routed to the TQMa335xL pads.
  • Page 23: Serial Interfaces

    The supported standards, transfer modes and rates of the following interfaces are to be taken from the AM335x Data Sheet (1). 3.2.4.11 The AM335x provides two integrated CAN controller. The signals of both CAN controllers are routed to the TQMa335xL pads. The drivers have to be integrated on the carrier board.
  • Page 24: I2S / Audmux

    Page 19 3.2.4.13 I2S / AUDMUX The Multichannel Audio Serial Port 0 (MCASP0) is routed to the TQMa335xL pads to connect an audio-codec via I The following table shows the signals used by the AUD3 interface. Table 25: MCASP0 signals...
  • Page 25: Uart

    User's Manual l TQMa335xL UM 0101 l © 2019, TQ-Systems GmbH Page 20 3.2.4.15 UART The AM335x provides five UART interfaces. UART0, UART3 and UART4 are routed to the TQMa335xL pads as primary functions. In the BSP provided by TQ-Systems GmbH UART4 is the serial console on the MBa335x.
  • Page 26: Uart4

    USB1_DP USB1_DP USB1_DRVBUS USB1_DRVBUS USB1_ID USB1_ID USB1_VBUS USB1_VBUS 3.2.4.20 EXTINT# The signal EXTINT# of the AM335x is routed to TQMa335xL pad A12. Table 31: EXTINT# signal TQMa335xL pad Signal Dir. AM335x ball Remark EXTINT# (NMI#) EXTINT# Routed to NMI# of AM335x...
  • Page 27: Clockout

    Warm-Reset# of the AM335x • WARMRST# 10 kΩ PU to 3.3 V on the TQMa335xL • Low-active signal • The reset output of the supervisor used on the TQMa335xL can be connected to the POR_B input of the AM335x as a placement option.
  • Page 28: Wdog

    More information can be found in the AM335x Reference Manual (3). 3.2.7 Power supply 3.2.7.1 Main power supply The input voltage for the TQMa335xL is 3.3 V ±3 %. All I/O voltages have a fixed supply voltage of 3.3 V. VCC1 VCC2 VCCn LGA pads PMIC 3.3 V...
  • Page 29: Adaptive Voltage Scaling (Avs)

    The TQMa335xL is available with several voltage supervision options. On the primarily manufactured version of the TQMa335xL a MAX803 with a trigger level of 3.08 V monitors the supply voltage. Below 3.08 V a PORESET# is triggered at the AM335x.
  • Page 30: Power-Modes

    User's Manual l TQMa335xL UM 0101 l © 2019, TQ-Systems GmbH Page 25 3.2.8 Power-Modes The following modes are supported by the hardware in combination of AM335x with PMIC, RTC and supply. 3.2.8.1 RTC backup In this mode the controller is switched off. Only the RTC is buffered by the battery. Wakeup features are not available.
  • Page 31: Tqma335Xl Interface

    The electrical and pin characteristics are to be taken from the AM335x (1), (3) and PMIC Data Sheet (6). 3.3.2 Pinout TQMa335xL The TQMa335xL has a total of 209 pads. The following table shows the pad-out as top view through the TQMa335xL. (NC: the pad does not exist.) Table 38:...
  • Page 32: Table 39: Tqma335Xl Pad Description

    User's Manual l TQMa335xL UM 0101 l © 2019, TQ-Systems GmbH Page 27 3.3.2 Pinout TQMa335xL (continued) Table 39: TQMa335xL pad description TQMa335xL ball Signal Pad name AM335x ball DGND – – VDD-PLL_TEST Test voltage – EXTINT# (NMI#) EXTINT# PMIC_PWRON TPS65910A31 Pin PWRON –...
  • Page 33 User's Manual l TQMa335xL UM 0101 l © 2019, TQ-Systems GmbH Page 28 3.3.2 Pinout TQMa335xL (continued) Table 39: TQMa335xL pad description (continued) TQMa335xL ball Signal Pad name AM335x ball I2C0_SDA I2C0_SDA VDDS_TEST Test voltage – DGND – – PMIC_SLEEP TPS65910A31 Pin SLEEP –...
  • Page 34 User's Manual l TQMa335xL UM 0101 l © 2019, TQ-Systems GmbH Page 29 3.3.2 Pinout TQMa335xL (continued) Table 39: TQMa335xL pad description (continued) TQMa335xL ball Signal Pad name AM335x ball DCAN1_TX UART0_CTS# SPI0_D1 SPI0_D1 MDIO MDIO USB0_DRVBUS USB0_DRVBUS USB0_VBUS USB0_VBUS...
  • Page 35 User's Manual l TQMa335xL UM 0101 l © 2019, TQ-Systems GmbH Page 30 3.3.2 Pinout TQMa335xL (continued) Table 39: TQMa335xL pad description (continued) TQMa335xL ball Signal Pad name AM335x ball LCD_VSYNC LCD_VSYNC LCD_HSYNC LCD_HSYNC LCD_DATA3 LCD_DATA3 LCD_DATA7 LCD_DATA7 LCD_DATA11 LCD_DATA11...
  • Page 36: Software

    Support Wiki for the TQMa335x. MECHANICS TQMa335xL dimensions and footprint The overall dimensions (length × width) of the TQMa335xL are 38 × 38 mm The maximum height of the TQMa335xL above the carrier board is approximately 3.3 mm. Illustration 12: TQMa335xL dimensions (1)
  • Page 37: Tqma335Xl 3D Views

    User's Manual l TQMa335xL UM 0101 l © 2019, TQ-Systems GmbH Page 32 TQMa335xL 3D views Illustration 16: TQMa335xL top view (3D) Illustration 17: TQMa335xL bottom view (3D) TQMa335xL component placement Illustration 18: TQMa335xL component placement top Illustration 19: TQMa335xL component placement bottom...
  • Page 38: Protection Against External Effects

    User's Manual l TQMa335xL UM 0101 l © 2019, TQ-Systems GmbH Page 33 Protection against external effects As an embedded module the TQMa335xL is not protected against dust, external impact and contact (IP00). Adequate protection has to be guaranteed by the surrounding system. Thermal management To cool the TQMa335xL, a maximum of 2 W have to be dissipated.
  • Page 39: Climatic And Operational Conditions

    Page 34 Climatic and operational conditions The temperature range, in which the TQMa335xL works reliably, strongly depends on the installation situation (heat dissipation by heat conduction and convection); hence, no fixed value can be given for the whole assembly. In general, a reliable operation is given when following conditions are met: Table 41: Climate and operational conditions extended temperature range –25 °C to +85 °C...
  • Page 40: Environment Protection

    By environmentally friendly processes, production equipment and products, we contribute to the protection of our environment. To be able to reuse the TQMa335xL, it is produced in such a way (a modular construction) that it can be easily repaired and disassembled. The energy consumption of this subassembly is minimised by suitable measures. The TQMa335xL is delivered in reusable packaging.
  • Page 41: Appendix

    User's Manual l TQMa335xL UM 0101 l © 2019, TQ-Systems GmbH Page 36 APPENDIX Acronyms and definitions The following acronyms and abbreviations are used in this document: Table 43: Acronyms Acronym Meaning Analog/Digital Converter Analog In ® Advanced RISC Machine...
  • Page 42 User's Manual l TQMa335xL UM 0101 l © 2019, TQ-Systems GmbH Page 37 Acronyms and definitions (continued) Table 43: Acronyms (continued) Acronym Meaning n.a. Not Available Not Connected Printed Circuit Board PCMCIA People Can’t Memorize Computer Industry Acronyms Pull-Down Physical (layer of the OSI model)
  • Page 43: References

    User's Manual l TQMa335xL UM 0101 l © 2019, TQ-Systems GmbH Page 38 References Table 44: Further applicable documents Name Rev. / Date Company ® ® Sitara™ AM335x ARM Cortex -A8 Microprocessors (MPUs) Data Sheet G / June 2014 Texas Instruments Pinmux Utility for ARM ®...
  • Page 44 TQ-Systems GmbH Mühlstraße 2 l Gut Delling l 82229 Seefeld Info@TQ-Group TQ-Group...

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