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S32R274 EVB User Guide 

9 

 

Figure 5.

 

 

Figure 5.

 

CAN DB9 connector pinout 

For flexibility, the CAN transceiver I/Os are also connected to two standard 0.1” connectors (P4 and P5) 
at the top side of the PCB. The pin-out for these connectors is shown in Figure 6. 

Figure 6.

 

 

Figure 6.

 

CAN 3pin header interface connector 

By default the CAN interfaces are not enabled. To enable the CAN interfaces the jumpers detailed in 
Table 3

 

need to be placed. 

Table 3.

 

CAN control jumpers 

Jumper 

Label 

Description 

J23 

CAN2_EN 

PHY U2 configuration 

1-2: WAKE to GND 

3-4: STB to 5V 

5-6: EN to 5V 

J32 

CAN2 

1-2: PHY TX to MCU 

3-4: PHY RX to MCU 

J33 

CAN-PWR 

1-2: 5.0V_SR to PHY U2 V

CC

 

 3-4: 12V to PHY U2 V

BAT

 

J34 

- 

PHY U2 signal out 

1: ERR 

2: INH 

J21 

CAN_EN 

PHY U1 configuration 

1-2: WAKE to GND 

3-4: STB to 5V 

5-6: EN to 5V 

Содержание S32R274 EVB

Страница 1: ...Concept 3 1 3 Daughter Card Availability 4 2 EVB Features 4 3 Configuration 5 3 1 Power Supply Configuration 6 3 1 1Motherboard Power Supply Connectors 7 3 1 2Regulator Power Jumpers 7 3 1 3Power Swi...

Страница 2: ...icrocontroller OSC Oscillator P12V 12V EVB supply power domain VREG_POR_B Power on reset PWR Power RX Receive SIPI Serial Interprocessor Interface TBD To be defined TX Transmit VSS Ground 1 2 Modular...

Страница 3: ...art numbers Table 2 Daughter card overview Daughter card number Device Package Socket Nexus S32R274RRUEVB S32R274 257BGA Yes Yes All daughter cards will be similar in design and concept For details on...

Страница 4: ...ch with reset status LED Standard 14 pin JTAG debug connector and 34 pin Nexus Aurora connector 10 pin Serial Interprocessor Interface SIPI connector Gb Ethernet Physical interface IC with RJ45 connec...

Страница 5: ...on board using three switching regulators to provide the necessary EVB and MCU operating voltages of 5 0V 3 3V and 1 25V and one 5V linear regulator for the ADC supplies and references For flexibilit...

Страница 6: ...n 1 12v Care must be taken to ensure correct connection Figure 4 Figure 4 Screw Terminal Power Connector 3 1 2 Regulator Power Jumpers There are four power regulator circuits on the MPC57xx motherboar...

Страница 7: ...ng the slide switch to the left towards connector P33 will turn the EVB off When power is applied to the EVB four green power LEDs adjacent to the voltage regulators show the presence of the supply vo...

Страница 8: ...terface connector By default the CAN interfaces are not enabled To enable the CAN interfaces the jumpers detailed in Table 3 need to be placed Table 3 CAN control jumpers Jumper Label Description J23...

Страница 9: ...vide a physical RS232 interface allowing a direct RS232 connection to a PC or terminal The pin out of these connectors is detailed in Figure 7 Note that hardware flow control is not supported on this...

Страница 10: ...or P3 at the top side of the PCB as shown in Figure 9 For ease of use the 12V EVB supply is fed to pin1 of P3 and the LIN transceiver power input to pin2 This allows the LIN transceiver to be powered...

Страница 11: ...exibility the FlexRAY transceiver is also connected to two FlexRAY connectors P1 P2 and two 2pin Molex connectors J1 J3 not populated by default at the top side of the EVB Figure 11 shows the connecti...

Страница 12: ...the S32R274RRUEVB daughter card since it is fitted with its own Gb Ethernet physical interface and RJ45 connector Please see section 4 for details 3 7 Motherboard A number of test points of different...

Страница 13: ...in 5V_SR reference 5V_SR JP10 User Area Pin 5V_SR reference 5V_SR JP11 User Area Pin 5V_SR reference 5V_SR JP12 User Area Pin 5V_SR reference GND JP13 User Area Pin Ground reference GND JP14 User Area...

Страница 14: ...S32R274 EVB User Guide 15 Signal TP name Shape Description FR_DBG1 TP11 Pad FlexRAY debug1 FR_DBG2 TP12 Pad FlexRAY debug2 FR_DBG3 TP13 Pad FlexRAY debug3 FEC 25MHz TP9 Pad Ethernet clock...

Страница 15: ...ter card s functional blocks The daughter card has been designed with ease of use in mind and has been segmented into functional blocks as shown in Figure 12 Detailed silkscreen legend has been used t...

Страница 16: ...re 13 Daughter card power distribution The connection of any power domain to a regulator has to be enabled by a dedicated jumper as described in Table 8 MCU Power 5V Switcher 3 3V Switcher 1 25V Switc...

Страница 17: ...ard This rail is powering the VDD_HV_DAC DAC supply VDD_HV_RAW AFE supply and VDD_HV_ADCREFxx ADC reference voltage When using the daughter card standalone without the motherboard it is required to co...

Страница 18: ...core supply and 3 3v IO supply domain and will hold the device in reset via VREG_POR_B until these supplies are within the expected voltage range This circuit is active in both internal and external...

Страница 19: ...rce is selectable via the 0 ohm links as shown with crystal Y3 being the default factory option Figure 16 40MHz crystal circuit 4 4 JTAG The EVB is fitted with 14 pin JTAG debug connector The followin...

Страница 20: ...3 22 RESET_B 23 VSS 24 VSS 25 TX4 1 26 CLK 27 TX4 1 28 CLK 29 VSS 30 VSS 31 TX5 1 32 EVTO1 RDY 33 TX5 1 34 N C GND VSS GND VSS 4 6 Serial Interprocessor Interface SIPI A dedicated SIPI interface conne...

Страница 21: ...rcard includes support for Gb ethernet utilising the RGMII interface present on the S32R274 device The daughtercard is designed with a Micrel KSZ9031RNXUA Ethernet physical interface U17 and associate...

Страница 22: ...U16 on the daughtercard for higher speed applications Since the CAN module pads have multiplexable functions these can be configured as follows By default CAN0 signals will go straight to U14 but if f...

Страница 23: ...Figure 21 CAN FD Physical Interfaces 4 10 Test Points Daughter Card Daughter card test points are listed and detailed in Table 11 Table 11 Test points daughter card Signal TP name Shape Description VR...

Страница 24: ...2_ETC0 TP30 Test Loop Etimer 2 Channel 0 NPC_EVTO_B TP31 Test Loop PI9 Pad G14 VDD_LV_SDPLL TP32 Surface Pad 1 4V Analog supply for 320Mhz PLL VDD_LV_SDADC TP33 Surface Pad 1 4V analog supply for SD A...

Страница 25: ...1 1 2 3 4 ACD Ref J21 2 3 VPP TEST always GND J30 on 3 3v RGMII J31 1 2 3 4 Linflex Tx Rx J32 off Jumper to supply to transistor J33 on Jumper supplies 1 25v to the core J34 on 3 3v supply to PMU J35...

Страница 26: ...1 1 2 3 4 ACD Ref J21 2 3 VPP TEST always GND J30 on 3 3v RGMII J31 1 2 3 4 Linflex Tx Rx J32 on Jumper to supply to transistor J33 on Jumper supplies 1 25v to the core J34 on 3 3v supply to PMU J35 o...

Страница 27: ...the device reference manual Green fields indicate power signals power signals are connected to all the appropriate pins on the MCU Red fields indicate MCU signals that are only connected to the mother...

Страница 28: ...3 5 0V_SR 5 0V_SR B 218 5 0V_SR 5 0V_SR A 24 5 0V_SR 5 0V_SR B 217 5 0V_SR 5 0V_SR A 25 PC0 ADC1_AN_3 B 216 PD0 GPIO 48 FLEX_TXD_A_PD0 R72 A 26 PC1 ADC0_AN_2 B 215 PD1 NC A 27 PC2 ADC0_AN_3 B 214 PD2...

Страница 29: ...GPIO_PE15 B 181 PF15 GPIO 95 LIN1_RXD A 61 1 25V_SR 1 25V_SR B 180 1 25V_SR 1 25V_SR A 62 1 25V_SR 1 25V_SR B 179 1 25V_SR 1 25V_SR A 63 1 25V_SR 1 25V_SR B 178 1 25V_SR 1 25V_SR A 64 1 25V_SR 1 25V_S...

Страница 30: ...2 B 154 PJ2 GPIO 120 I2C1_DATA A 88 PI3 NC B 153 PJ3 GPIO 121 GPIO_PH9 A 89 PI4 NC B 152 PJ4 NC A 90 PI5 NC B 151 PJ5 NC A 91 PI6 NC B 150 PJ6 NC A 92 PI7 NC B 149 PJ7 NC A 93 PI8 NC B 148 PJ8 NC A 94...

Страница 31: ...NC B 116 PN0 NC A 126 PM1 NC B 115 PN1 NC A 127 PM2 NC B 114 PN2 NC A 128 PM3 NC B 113 PN3 NC A 129 PM4 NC B 112 PN4 NC A 130 PM5 NC B 111 PN5 NC A 131 PM6 NC B 110 PN6 NC A 132 PM7 NC B 109 PN7 NC A...

Страница 32: ...R A 163 1 25V_SR 1 25V_SR B 78 1 25V_SR 1 25V_SR A 164 1 25V_SR 1 25V_SR B 77 1 25V_SR 1 25V_SR A 165 PQ0 NC B 76 PR0 NC A 166 PQ1 NC B 75 PR1 NC A 167 PQ2 NC B 74 PR2 NC A 168 PQ3 NC B 73 PR3 NC A 16...

Страница 33: ...4 NC A 200 PS15 NC B 41 PT15 NC A 201 3 3V_SR 3 3V_SR B 40 3 3V_SR 3 3V_SR A 202 3 3V_SR 3 3V_SR B 39 3 3V_SR 3 3V_SR A 203 3 3V_SR 3 3V_SR B 38 3 3V_SR 3 3V_SR A 204 3 3V_SR 3 3V_SR B 37 3 3V_SR 3 3V...

Страница 34: ...B 12 PX4 NC A 230 PW5 NC B 11 PX5 NC A 231 PW6 NC B 10 PX6 NC A 232 PW7 NC B 9 PX7 NC A 233 PW8 NC B 8 PX8 NC A 234 PW9 NC B 7 PX9 NC A 235 PW10 NC B 6 PX10 NC A 236 PW11 NC B 5 PX11 NC A 237 PW12 NC...

Страница 35: ...exRAY_A signals J10 Off CAP A DIS Disable capacitor circuitry for FlexRAY_A signals J11 Off CAP B DIS Disable capacitor circuitry for FlexRAY_B signals J12 Off CAP B DIS Disable capacitor circuitry fo...

Страница 36: ...ND J33 Off CAN PWR 1 2 5V_SR to PHY U2 VCC 3 4 12V to PHY U2 VBAT J34 Off MCAN2 signal out 1 ERR 2 INH J35 Off CAN 1 2 5V_SR to PHY U1 VCC 3 4 12V to PHY U1 VBAT J36 Off CAN PHY U1 signal out J37 Off...

Страница 37: ...he addition of any custom circuitry There are four active low user LEDs D2 D3 D4 and D5 these are driven by connecting a logic 0 signal to the corresponding pin on 0 1 header P7 USER LEDS The LED inpu...

Страница 38: ...cale Semiconductor assume any liability arising out of the application or use of any product or circuit and specifically disclaims any and all liability including without limitation consequential or i...

Страница 39: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information NXP S32R274RRUEVB...

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