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miriac SBC-S32G-R3_User Manual 

V 3.2 

38/65 

 

© MicroSys Electronics GmbH 2021 

 

 

 

 

6.4.10  100Base-T1 LAN (ST17, ST18, ST19) 

SJA1110 automotive switch includes 6x 100Base-T1 PHYs.  

Signals are directly connected to ST17, ST18, ST19 (2 ports each) 

 

ST17 

Signal (in SCM) 

Port (SJA1110) 

Pin 

ENET1_P 

Port 5 

T3 

ENET1_N 

Port 5 

T4 

ENET2_P 

Port 6 

T5 

ENET2_N 

Port 6 

T6 

Table 6-22 ST17 Pinout 

 

 

ST18 

Signal (in SCM) 

Port (SJA1110) 

Pin 

ENET3_P 

Port 7 

T7 

ENET3_N 

Port 7 

T8 

ENET4_P 

Port 8 

T9 

ENET4_N 

Port 8 

T10 

Table 6-23 ST18 Pinout 

 

 

ST19 

Signal (in SCM) 

Port (SJA1110) 

Pin 

ENET5_P 

Port 9 

T11 

ENET5_N 

Port 9 

T12 

ENET6_P 

Port 10 

T13 

ENET6_N 

Port 10 

T14 

Table 6-24 ST19 Pinout 

 

 

 

 

Summary of Contents for miriac SBC-S32G274A

Page 1: ...miriac SBC S32G274A User Manual HW Revision 3 V 3 2...

Page 2: ...ore 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 I C Bus 24 5 7 1 I2...

Page 3: ...Configuration boot selection 57 6 16 3 SW3 SJA1110 boot configuration 58 6 17 LEDs 59 6 17 1 LEDs on Carrier 59 6 17 2 LEDs on Module 59 6 18 Test and expansion Connector ST4 60 7 Software 61 7 1 U B...

Page 4: ...s in this document MicroSys Electronics GmbH neither gives any guarantee nor accepts any liability whatsoever for consequential damages resulting from the use of this manual or its associated product...

Page 5: ...ment which is dependent on the preferred carrier and the location where you want to have it shipped to by sending a request to MicroSys Electronics GmbH Muehlweg 1 82054 Sauerlach Germany In your requ...

Page 6: ...features Table 1 1 Symbols 1 5 2 Conventions Symbol explanation denotes a low active signal denotes the signal flow in the shown direction denotes the signal flow in the shown direction denotes the si...

Page 7: ...ecome hot during operation Take care not to touch any parts of the circuitry during operation to avoid burns and operate the unit in a well ventilated location Provide an appropriate cooling solution...

Page 8: ...as an industrial computing solution This document gives you an overview on the board s connectors and how to take the first steps on the initial setup 2 3 Shipping List The SBC S32G274A Development K...

Page 9: ...east need the following items an adequate power supply delivering 12V DC stabilized 2A minimum a USB cable type A mini B connected to ST6 a serial terminal such as a PC with a USB port running a termi...

Page 10: ...e set properly in order to select the correct boot source and board configuration The board comes preconfigured to boot correctly on arrival Connect the mini USB cable to ST6 Connect other peripherals...

Page 11: ...from SPI on SoM Off boot from SD card 3 Off Off root complex 4 Off Off JCOMP signal open Table 3 1 Switch2 setting Switch SW3 SJA1110 config Switch Default Function 1 Off BOOT_OPTION0 1 2 Off BOOT_OPT...

Page 12: ...equency 100Mhz configured for PCIe0 Configuring PCIe0 as RootComplex x1 SGMII XPCS0 OFF PCIex1 XPCS1 1G PCIe1 clock 125MHz Using external clock for PCIe1 Frequency 125Mhz configured for PCIe1 Configur...

Page 13: ...3_User Manual V 3 2 13 65 MicroSys Electronics GmbH 2021 4 System Description This section describes all parts of the SBC S32G274A system 4 1 Block Diagram Figure 4 1 Block Diagram MPX S32G274A on car...

Page 14: ...lexed with eMMC on SoM 6 USB o MAC2 connects to USB ULPI Microchip USB3320 o USB Hub Microchip USB2514 o Port 1 to external USB A connector top o Port 2 to mPCIe slot o Port 3 to M 2 slot o Port 4 to...

Page 15: ...detailed description of the SoM please refer to the separate document MPX S32G274A User Manual The SoM User Manual also provides detailed mechanical dimensions 4 2 2 CRX S32G The following drawing sh...

Page 16: ...miriac SBC S32G R3_User Manual V 3 2 16 65 MicroSys Electronics GmbH 2021 4 3 Connector Layout Figure 4 3 Top connectors...

Page 17: ...miriac SBC S32G R3_User Manual V 3 2 17 65 MicroSys Electronics GmbH 2021 Figure 4 4 Bottom connector...

Page 18: ...Carrier without module Module without carrier calculated 0 4A 4 8W 0 18A 2 16W 4 8 2 16 2 64W ALWAYS use the correct type and polarity of the power supply DO NOT exceed the rated maximum values for th...

Page 19: ...to 36 0V This is the maximum voltage for supplying regulators and the SoM 4 4 4 Power Supply Structure Input power from PWR connector is fed in parallel to a MPX S32G274A module b DC DC 12V to 5V0 5A...

Page 20: ...RTC Backup Battery The RTC on the module is supplied from a 470mF supercap C77 that is charged by a power source on the carrier 4 4 7 Power control by KL15 Powerlines may be connected permanent to KL3...

Page 21: ...ed ST3 DC Power Jack 90 WE 694 106 106 102 Not available ST4 10 pin header Voltages with 1K serial resistors 12 pin header Pin 1 to 10 same signals as R2 Pin 3 3V3 NO serial resistor Pin 6 5V0 NO seri...

Page 22: ...processor based on Arm Cortex M7 and Cortex A53 technology Cluster 0 Dual ARM Cortex A53 Cluster 1 Dual ARM Cortex A53 L1 cache 32KB I cache 32 KB D cache per Cortex A53 L2 cache 512 KB per cluster M...

Page 23: ...d distributed on the SoM Please refer to the MPX S32G274A User Manual 5 4 Boot Configuration Boot configuration is described in SoM User Manual The boot configuration may be forced by hardware using s...

Page 24: ...3 EEPROM 0x43 FXL6408 IO Expander 0x4D PCA9561PW EEPROM Dip switch non FXMA2102 Bus isolation 0x50 AT24C01C XHM EEPROM boot config 0x56 AT24C01C XHM EEPROM boot config alternate Table 5 1 I C0 bus ma...

Page 25: ...er 0x7F MAX961xAUB Current sensor undefined PCA9511 I2C buffer undefined mPCIe slot Depends on card inserted Table 5 3 I C1 bus map The I C Bus 1 has the following layout I O Range LVTTL Device SCL Si...

Page 26: ..._EXT 11 Table 5 5 I C 2 pin assignment 5 7 4 I2C 3 Pins available on carrier but used for FXCAN3 The I C Bus 3 has the following layout I O Range LVTTL Device SCL Signal Name Pin SDA Signal Name Pin S...

Page 27: ...miriac SBC S32G R3_User Manual V 3 2 27 65 MicroSys Electronics GmbH 2021 5 7 6 I2C_SCL_PROG Interface to program RCON EEPROM on SoM...

Page 28: ...RE PU 1K0 6 GPIO4 IN J41 12 LAN_IRQ PU 1K0 5 GPIO5 IN ST5 9 SD_CD PU 1K0 4 GPIO6 OUT J26 2 5 8 11 LIN_SLP PU 1K0 3 GPIO7 OUT Table 5 8 GPIO Expander Pin description J47 has 8 GPIOs which are used as f...

Page 29: ...JTAG i f to SJA1110 SAM FTSH 105 01 L DV K MIPI 10 connector ST11 CAN 09 to 17 Automotive connector MQS TCE 1 963539 1 TCE 1355348 1 ST12 CAN 00 to 08 Automotive connector MQS TCE 1 963539 1 TCE 13553...

Page 30: ...z With the alternate selection the M 2 slot is not available but the SGMII connection between S32G274A and SJA1110 is now 2 5Gbps with a SerDes reference clock of 125MHz SerDes names reference connect...

Page 31: ...RGMII to SJA1110 1x 100Mb LAN connection to SJA1110 6x 100BaseT1 LAN to SJA1110 The RJ45 connectors use the standard pinning for Gbit Ethernet i e the pairs are 1 2 3 6 4 5 and 7 8 Pin Pair 1 D A 2 D...

Page 32: ...2304372 1 P3 1G LAN PHY 88E1512P SGMII MDIO addr 0x05 RJ45 WE 749 915 1120 SerDes_1 Lane1 default P4 1Gbps i f MDIO addr 0x010 SerDes_1 Lane0 alternate P4 2 5Gbps i f MDIO addr 0x010 P 5 10 SJA1110 i...

Page 33: ...Table 6 6 LAN MDIO1 Addressing MDIO SJA1110 is connected to PHYs 1x 88E1512P 1x 88Q2112 Part component Address J42 88E1512P Addr 0x05h ST21B SGMII from SJA1110 J8 88Q2112 Addr 0x04h ST23 RGMII from S...

Page 34: ...D3 T61 U20 RGMII 0_TXD3 56 TX_CTRL T66 T18 RGMII 0_TX_EN 8 MDIO T51 V17 RGMII 0_MDIO 7 MDC T50 Y21 RGMII 0_MDC 9 CLK125 Table 6 10 Port 2 RGMII0 interface to S32G274A LED Signal Port 88E1512P Pin GN R...

Page 35: ...pabilities are extended by the use of an SJA1110A automotive Ethernet switch with 10 ports The SJA1110A integrates Six IEEE 100BaseT1 Phys One IEEE 100BaseTX PHY Two MII RMII RGMII interfaces Four SGM...

Page 36: ...Pin Signal Pin Name K2 S_INP T85 W19 PCIE1_TX0_P K1 S_INN T84 Y18 PCIE1_TX0_N L2 S_OUTP T70 AA22 PCIE1_RX0_P L1 S_OUTN T69 AB22 PCIE1_RX0_N Table 6 16 SerDes1_L0 pin assignment Default Alternate is de...

Page 37: ...3 Marvell PHY 88Q2112 is connected to SJA1110 port 2 88Q2112 J8 SJA1110 Pin Name Pin Name 23 RX_CLK B5 AETH_MII2_RX_CLK 22 RX_CTRL A3 AETH_MII2_RXDV 21 RXD0 A5 AETH_MII2_RXD0 20 RXD1 B4 AETH_MII2_RXD1...

Page 38: ...h ST17 Signal in SCM Port SJA1110 Pin 1 ENET1_P Port 5 T3 2 ENET1_N Port 5 T4 3 ENET2_P Port 6 T5 4 ENET2_N Port 6 T6 Table 6 22 ST17 Pinout ST18 Signal in SCM Port SJA1110 Pin 1 ENET3_P Port 7 T7 2 E...

Page 39: ...Reference ST16 Manufacturer any Type HEADER 2 54 180 M 2X5 WE 6130 10 211 21 ST16 MXM1 S32G274A Pin Signal Pin Signal Pin Signal 1 3V3 2 GND 3 PA13_DSPI0_SCK B68 U12 PA13_DSPI0_SCK 4 PB09_DSPI0_CS1 B7...

Page 40: ...t do not have parts on the bottom side accidentally shorting signals MicroSys recommends to use only half size cards with this slot Pin Pin 1 WAKE PU 3V3 3 3V 2 3 COEX1 nc GND 4 5 COEX2 nc 1 5V 6 7 CL...

Page 41: ...PCIE0_TX0_N T90 Y16 PCIE0_TX0_N 33 PCIE0_TX0_P T91 W16 PCIE0_TX0_P Table 6 27 mPCIe Slot SerDes_0_Ln0 Assignment AC coupling capacitors for PER0_N and PER0_P have to be placed on the plug in card near...

Page 42: ...SB3_D_P PLN PU 3V3 8 9 USB_D USB3_D_N DAS DSS 10 11 PETN3 3 3V 12 13 PETP3 3 3V 14 15 GND 3 3V 16 17 PERN2 3 3V 18 19 PERP2 NC20 20 21 GND NC22 22 23 PETN2 NC24 24 25 PETP2 NC26 26 27 GND NC28 28 29 P...

Page 43: ...S32G274A from Root Complex to Endpoint Table 6 30 PCIe Root Complex Endpoint It is also necessary to adapt the software configuration of the two systems involved in the setup By setting the Endpoint...

Page 44: ...21 RGMII2_RX_CLK USB_D2 6 DATA 3 T20 M23 RGMII2_RXDV USB_D3 7 DATA 4 T18 N20 RGMII2_RXD0 USB_D4 9 DATA 5 T17 N21 RGMII2_RXD1 USB_D5 10 DATA 6 T16 M21 RGMII2_RXD2 USB_D6 13 DATA 7 T15 N23 RGMII2_RXD3 U...

Page 45: ...r bottom Part Reference ST14 Manufacturer W rth Elektronik Type 614 008 26 021 Used with Dual USB type A cables 6 6 2 USB2 mPCIe USB2 from hub USB2514 is connected to mPCIe slot 6 6 3 USB3 M 2 USB3 fr...

Page 46: ...B41 TJA1448CTK ST12 8 CAN07_N C16 CAN07_RX B40 TJA1448CTK ST12 17 CAN07_P A10 CAN08_TX B44 TJA1448CTK ST12 9 CAN08_N A15 CAN08_RX B43 TJA1448CTK ST12 18 CAN08_P F11 CAN09_TX B47 TJA1448CTK ST11 1 CAN0...

Page 47: ...nation on the CRX S32G carrier Figure 6 6 CAN Termination CAN termination and CAN protection are referenced to Shield CRX S32G R3V1Ax has CAN termination on carrier as described in above schematic CRX...

Page 48: ...RX B111 LIN3_TX B115 TJA1024 ST13 8 LIN3 LIN3_RX B114 GND ST13 9 GND Table 6 33 LIN Connector Pinout Part 0 LIN from SJA1124 connected to S32G274A via DSPI5 or SPI5 SJA1124 Connector Pin Signal Module...

Page 49: ...10 FXRAYA_P C8 FLXR0B_TX B96 TJA1081 ST13 2 FXRAYB_N D13 FLXR0B_RX B95 TJA1081 ST13 11 FXRAYB _P Table 6 35 FlexRay Connector Pinout All FlexRay ports are terminated on the CRX S32G carrier Figure 6 7...

Page 50: ...USB mini connector type B The port is used as the console of the S32G274A Part Reference ST6 Manufacturer W rth Elektronik Type 651 005 161 21 Used with Mini USB type B cables The following table show...

Page 51: ...PJS 008 2130 0 Used with microSD cards The following table shows the connections of the microSD card slot I O Range ST5 MXM1 S32G274A Pin Name Pin Signal Pin Name LVTTL 1 DAT2 T8 SD D2 H19 SDHC_D2 LVT...

Page 52: ...274A processor on the SoM Note that when debugging the processor the JCOMP signal needs to be pulled high meaning that SW2 4 must be ON Part Reference ST7 Manufacturer Samtec Type SAM FTSH 105 01 L DV...

Page 53: ...e switch and can be used to program the QSPI Flash connected to the SJA1110 and to debug the Cortex M7 in the switch Interface uses a 1 8V logic level Part Reference ST10 Manufacturer Samtec Type SAM...

Page 54: ..._TX1_P 26 27 AUR_TX1_N RTCK_AURORA 10K PU 3V3 10k PD 28 29 GND GND 30 31 AUR_TX3_P 32 33 AUR_TX3_N 34 35 GND 36 37 38 39 40 Table 6 40 Aurora Connector Pinout The following table shows the internal co...

Page 55: ...urer any Type HEADER 2 54 180 M 2X10 WE 6130 20 211 21 ST1 MXM1 S32G274A Pin Signal Pin Signal Pin Signal 1 GND 2 GND 3 ADC_CH_00 B17 F23 ADC_CH_00 4 ADC_CH_01 B16 E22 ADC_CH_01 5 ADC_CH_02 B14 E23 AD...

Page 56: ...2 56 65 MicroSys Electronics GmbH 2021 6 16 Switches 6 16 1 SW1 Reset button Pressing the reset button SW1 triggers a Hard Reset The reset button is connected to J9 and triggers the RSTIN signal on MX...

Page 57: ...X_SEL H OFF boot from device on SoM L ON force to boot from SD card on carrier inde pendent of SW setting X H L X X SEL_CLK_RC EP H OFF RC root complex L ON EP endpoint H L X X X JCOMP L OFF JCOMP 0 H...

Page 58: ...boot device can be selected by the switch SW3 Figure 6 12 SJA1110 boot settings Setting SW 3 1 SW 3 2 Boot device Features OFF OFF Serial Download An image is downloaded at Linux boot time OFF ON EEP...

Page 59: ...LED LED1 ON I2C addr 44 reg 5 Data 0bxxx1 xxxx LED1 OFF I2C addr 44 reg 5 Data 0bxxx0 xxxx LD4 Red User LED LED2 ON I2C addr 44 reg 5 Data 0bxx1x xxxx LED2 OFF I2C addr 44 reg 5 Data 0bxx0x xxxx Tabl...

Page 60: ...IC perma nently into debug mode 2 3 3V3 For measurement and external power V_IN With 1K serial resistor For measurement only 4 5 1V8 With 1K serial resistor For measurement only 5V0 For measurement an...

Page 61: ...d on the microSD card provided with the Development Kit Either boot option can be selected by the Boot Configuration switch SW2 7 2 Operating System Support MicroSys Electronics GmbH currently only of...

Page 62: ...nyms are being used within the document note that this list does not claim to be complete or exhaustive DC Direct Current ESD Electrostatic Discharge GND Ground GPL General Public License LAN Local Ar...

Page 63: ...e 6 8 Reset Button 56 Figure 6 9 Config Switch 57 Figure 6 10 Config Settings 57 Figure 6 11 Boot Device Switch 58 Figure 6 12 SJA1110 boot settings 58 8 3 Table of Tables Table 1 1 Symbols 6 Table 1...

Page 64: ...Table 6 23 ST18 Pinout 38 Table 6 24 ST19 Pinout 38 Table 6 25 SJA1110 Programming Connector Pinout 39 Table 6 26 mPCIe Slot Pinout 41 Table 6 27 mPCIe Slot SerDes_0_Ln0 Assignment 41 Table 6 28 M 2...

Page 65: ...on 1 2021 04 19 2 0 Initial version for carrier CRX S32G Revision 2 2021 05 21 2 1 6 8 Termination for CAN added 6 10 Termination for FlexRay added 6 18 ST4 pin description added 2021 07 19 3 1 Initia...

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