
Preliminary User's Manual l TQMa93xxLA UM 0003 l © 2023, TQ-Systems GmbH Page i
TABLE OF CONTENTS
1. ABOUT THIS MANUAL......................................................................................................................................................................................1
1.1 Copyright and license expenses..................................................................................................................................................................1
1.2 Registered trademarks ....................................................................................................................................................................................1
1.3 Disclaimer ............................................................................................................................................................................................................1
1.4 Imprint...................................................................................................................................................................................................................1
1.5 Tips on safety......................................................................................................................................................................................................2
1.6 Symbols and typographic conventions....................................................................................................................................................2
1.7 Handling and ESD tips.....................................................................................................................................................................................2
1.8 Naming of signals..............................................................................................................................................................................................3
1.9 Further applicable documents / presumed knowledge.....................................................................................................................3
2. BRIEF DESCRIPTION ..........................................................................................................................................................................................4
2.1 Key functions and characteristics................................................................................................................................................................4
2.2 CPU block diagram ...........................................................................................................................................................................................5
3. ELECTRONICS......................................................................................................................................................................................................6
3.1 Interfaces to other systems and devices...................................................................................................................................................6
3.1.1 Pin multiplexing ................................................................................................................................................................................................6
3.1.1.1 Pinout TQMa93xxLA.........................................................................................................................................................................................7
3.1.1.2 TQMa93xxLA signals........................................................................................................................................................................................8
3.2 System components .....................................................................................................................................................................................12
3.2.1 i.MX 93................................................................................................................................................................................................................ 12
3.2.1.1 i.MX 93 derivatives......................................................................................................................................................................................... 12
3.2.1.2 i.MX 93 errata................................................................................................................................................................................................... 12
3.2.1.3 Boot modes ......................................................................................................................................................................................................12
3.2.1.4 Boot configuration......................................................................................................................................................................................... 13
3.2.2 Memory..............................................................................................................................................................................................................14
3.2.2.1 LPDDR4 SDRAM..............................................................................................................................................................................................14
3.2.2.2 eMMC..................................................................................................................................................................................................................14
3.2.2.3 QSPI NOR Flash / NAND Flash.................................................................................................................................................................... 14
3.2.2.4 EEPROM M24C64-D....................................................................................................................................................................................... 15
3.2.2.5 EEPROM with temperature sensor SE97BTP ........................................................................................................................................ 15
3.2.3 Trust Secure Element SE050....................................................................................................................................................................... 15
3.2.4 Accelerometer/Gyroscope.......................................................................................................................................................................... 16
3.2.5 RTC.......................................................................................................................................................................................................................16
3.2.5.1 i.MX 93 internal RTC ......................................................................................................................................................................................16
3.2.5.2 Discrete RTC PCF85063A............................................................................................................................................................................. 16
3.2.6 Interfaces...........................................................................................................................................................................................................17
3.2.6.1 Overview ...........................................................................................................................................................................................................17
3.2.6.2 ADC......................................................................................................................................................................................................................18
3.2.6.3 CAN FD...............................................................................................................................................................................................................18
3.2.6.4 Ethernet / RGMII..............................................................................................................................................................................................19
3.2.6.5 I2C......................................................................................................................................................................................................................... 20
3.2.6.6 JTAG ....................................................................................................................................................................................................................21
3.2.6.7 GPIO ....................................................................................................................................................................................................................21
3.2.6.8 MIPI CSI ..............................................................................................................................................................................................................22
3.2.6.9 MIPI DSI..............................................................................................................................................................................................................22
3.2.6.10 LVDS.................................................................................................................................................................................................................... 23
3.2.6.11 SAI........................................................................................................................................................................................................................ 23
3.2.6.12 SPI ........................................................................................................................................................................................................................24
3.2.6.13 Tamper...............................................................................................................................................................................................................25
3.2.6.14 UART ...................................................................................................................................................................................................................25
3.2.6.15 USB ......................................................................................................................................................................................................................26
3.2.6.16 SD2 (SD-Card)..................................................................................................................................................................................................27
3.2.6.17 External clock sources .................................................................................................................................................................................. 28
3.2.7 Reset and unspecific signals ...................................................................................................................................................................... 28
3.2.8 Power.................................................................................................................................................................................................................. 29
3.2.8.1 Power supply ...................................................................................................................................................................................................29
3.2.8.2 Configurable voltages..................................................................................................................................................................................29
3.2.8.3 Power consumption...................................................................................................................................................................................... 30
3.2.8.4 Voltage monitoring....................................................................................................................................................................................... 30
3.2.8.5 Supply outputs................................................................................................................................................................................................30
3.2.8.6 Power-Up sequence TQMa93xxLA / carrier board.............................................................................................................................31