MicroSys miriac SBC-S32G274A, Руководство пользователя

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Table of Contents
miriac SBC-S32G-R3_User Manual V 3.2 2/65
© MicroSys Electronics GmbH 2021
Table of Contents
1 General Notes .............................................. 4
1.1 Warranty ........................................................ 4
1.2 Links .............................................................. 4
1.3 Liability .......................................................... 4
1.4 Offer to Provide Source Code of Certain
Software ........................................................ 5
1.5 Symbols, Conventions and Abbreviations ..... 6
1.5.1 Symbols ........................................................ 6
1.5.2 Conventions .................................................. 6
2 Introduction ................................................. 7
2.1 Safety and Handling Precautions .................. 7
2.2 Short Description ........................................... 8
2.3 Shipping List .................................................. 8
3 Quick Start Guide ........................................ 9
3.1 Prerequisites ................................................. 9
3.1.1 Minimum Requirements ................................ 9
3.1.2 Recommended Items .................................... 9
3.2 Board Preparation and Power-Up ............... 10
3.3 Operation .................................................... 11
3.3.1 Default switch settings ................................. 11
3.3.2 U-Boot Startup............................................. 11
3.4 Ordering Information ................................... 12
4 System Description ................................... 13
4.1 Block Diagram ............................................. 13
4.2 Feature Overview ........................................ 14
4.2.1 MPX-S32G274A .......................................... 15
4.2.2 CRX-S32G .................................................. 15
4.3 Connector Layout ........................................ 16
4.4 Power Supply .............................................. 18
4.4.1 Input Supply Rating ..................................... 18
Input Power Connector ................................ 18
Input Protection ........................................... 19
4.4.4 Power Supply Structure ............................... 19
4.4.5 Watchdog .................................................... 20
4.4.6 RTC Backup Battery .................................... 20
4.4.7 Power control by KL15 ................................ 20
4.5 Changes from R2 to R3 ............................... 21
5 System Core, Boot Configuration and
On-Board Memory ..................................... 22
5.1 S32G274A Processor .................................. 22
5.2 Reset Structure ........................................... 22
5.3 Clock Distribution ........................................ 23
5.4 Boot Configuration ....................................... 23
5.5 eMMC .......................................................... 23
5.6 QSPI Flash .................................................. 23
5.7 I²C Bus......................................................... 24
5.7.1 I2C-0 ............................................................ 24
5.7.2 I2C-1 ............................................................ 25
5.7.3 I2C-2 ............................................................ 26
5.7.4 I2C-3 ............................................................ 26
5.7.5 I2C-4 ............................................................ 26
5.7.6 I2C_SCL_PROG ......................................... 27
5.8 IO-Expander ................................................ 28
6 Peripherals ................................................. 29
6.1 Connector References ................................. 29
6.2 Module Connector ....................................... 30
6.3 PCIe / SerDes Usage .................................. 30
6.4 LAN Connections ......................................... 30
6.4.1 LAN Structure .............................................. 31
6.4.2 MDIO addressing ......................................... 33
6.4.3 1G LAN SerDes_0 Lane1 (ST21A) .............. 33
6.4.4 1G LAN RGMII-0 (ST22B) ........................... 34
6.4.5 1G LAN RGMII-1 (ST22A) ........................... 34
6.4.6 SJA1110 Automotive Switch ........................ 35
6.4.7 1G LAN SGMII (ST21B) .............................. 36
6.4.8 100Mbps LAN (ST20) .................................. 37
6.4.9 1000Base-T1 (ST23) ................................... 37
6.4.10 100Base-T1 LAN (ST17, ST18, ST19) ........ 38
6.4.11 SJA1110 Standalone (ST16) ....................... 39
6.5 PCIe Connections ........................................ 40
6.5.1 Mini PCIe Slot (ST15) .................................. 40
6.5.2 M.2 Socket (ST9) ......................................... 42
6.5.3 PCIe Root Complex / Endpoint .................... 43
6.6 USB ............................................................. 44
6.6.1 USB1, USB4 (ST14) .................................... 45
6.6.2 USB2 (mPCIe) ............................................. 45
6.6.3 USB3 (M.2) .................................................. 45
6.7 CAN, LIN, FlexRay connectors .................... 45
6.8 CAN (ST11, ST12) ...................................... 46
6.9 LIN (ST13) ................................................... 48
6.10 FlexRay (ST13) ........................................... 49
6.11 Console (ST6) ............................................. 50
6.12 microSD (ST5) ............................................. 51
6.13 JTAG ........................................................... 52
6.13.1 JTAG for MPX-S32G274A (ST7) ................. 52
6.13.2 JTAG for SJA1110 (ST10) ........................... 53
6.14 Aurora (ST8) ................................................ 54
6.15 Analog In (ST1) ........................................... 55
6.16 Switches ...................................................... 56