ST com SPC56L Discovery Evaluation Board User Manual

SPC56L Discovery Evaluation Board
User Manual

Introduction

This document describes how to configure the board and how to setup the I/O communication.

SPC56L-Discovery

1.1SPC56L-Discovery evaluation board
The SPC56L-Discovery kit is an evaluation tool supporting STMicroelectronics SPC56xL microcontrollers. The evaluation board allows full access to all of the CPUs I/O  ignals, and the peripherals such as CAN, FlexRay, UART, JTAG, K-Line, LIN.
Figure 1. SPC56L-Discovery board with SPC56EL70L5

The content of hardware of SPC56L-Discovery consists of:

• SPC56L-Discovery kit board (Figure 1).
• Power Supply (Mains: 90-240 VAC – Output: 12 VDC).

The SPC56xL family is ST state of the art MCU based on 32-bit microcontrollers Power Architecture® Cores specifically addressing all Automotive Applications but as well  uitable for industrial safety oriented applications. The SPC56xL devices are optimized for chassis & safety applications and suitable for ASIL D/SIL level 3 requirements.  SPC56L-Discovery is supported by a specific Application Project inside SPC5Studio (a visual integrated software development environment to easily develop software for  PC56  MCU’s), where micro start-up routine, I/O mapping and a simple test code has been already designed by STMicroelectronics experts. SPC5Studio is available for  download www.st.com/spc5studio

SPC5Studio comes with HighTec GNU “C” compiler free fully featured trial 30 days trial version. An E2E Community is available on ST WEB: https://my.st.com/public/STe2ecommunities/mcu
The PCB, the components and all HW meet requirements of the applicable RoHS directives.

1.2 Debug interface
14 pin JTAG interface
38 pin High speed Nexus interface (Optional)
1.3 I/O interface and connectors

• PSU plug (+12 V)
• UART (DB9-female)
• CAN interface (DB9-male)
• FlexRay (DB9-male)
• LIN
• K-Line
• 4 x 37 headers

Hardware overview

2.1 12 VDC power supply adapter
The 12 VDC voltage is used to supply the whole board including the microcontroller and the communication interface transceiver chips. The power supply is included in the  it. The 12 V adapter can be supplied with mains 90÷240 VAC; the AC plug is the standard CEE 7/16 Europlug. The PSU output barrel connector (+12 VDC) is center positive power supply with 2.1/5.5 mm diameters.
2.2 +5 V and +3.3 V power supply sections
A dedicated DC-DC converter is used to generate +5 VDC. A linear low dropout regulator is used to generate +3.3 V. The switch S1 is used to turn on and turn off the  oard. 3 LEDs (D2, D3 and D4) are connected to 12 V, +5 V and 3.3 V respectively.

Three test points are available to measure the voltage levels: TP2=12V, TP1=5V, TP4=3V3 while TP3 is connected to GND F1 (1A) is a not resettable fuse.
Figure 5. SPC56L-Discovery board – +12 VDC supply

2.3 User LEDs
Three LEDs are available and can be configured by the user. The LEDs are D5, D6 and D7. Jumper JP4, JP5 and JP6 connect the LEDs to the microcontroller.

Y1 is a 40 MHz through-hole crystal. The crystal is plugged in a dedicated socket and it can be replaced without using a soldering station.
Figure 7. SPC56L-Discovery board – Crystal (PCB)

2.4 Reset
A reset section is present in the board. The resent signal is generated using the device STM6315RB when the button S4 is pushed; the LED D8 will be turned on when the  eset  pulse is generated.
Figure 8. SPC56L-Discovery board – Reset (PCB)

Figure 9. SPC56L-Discovery board – Reset (schematic)

2.5 JTAG connector
Figure 10. SPC56L-Discovery board – JTAG and Nexus connectors (PCB)

Figure 11. SPC56L-Discovery board – JTAG connector (Schematic)

Table 1. SPC56L-Discovery board – JTAG connector (pin out)

Figure 12. SPC56L-Discovery board – Nexus connector (Schematic)

2.6High speed Nexus interface (Optional)
Figure 12 shows connector for Nexus interface for high-end development tools; (the PCB is shown in Figure 10).
Table 2. SPC56L-Discovery board – Nexus connector

2.7 SPI Connector
Figure 13. SPC56L-Discovery board – SPI connector (PCB)

Figure 14. SPC56L-Discovery board – SPI connector (Schematic)

Table 3. SPC56L-Discovery board – SPI connector (pin out)

2.8 High Speed CAN interface
The CAN module is integrated in SPC56L-Discovery board; CAN transceiver is AMIS-30663 which support high-speed CAN.
Regarding the CAN connector, the two basic CAN channels are located in a DB9 male connector and they can be selected with a jumper option (JP19 and JP20).
Figure 15.  PC56L-Discovery board – High Speed CAN interface (PCB)

Figure 16. SPC56L-Discovery board – High Speed CAN interface (schematic)

Jumper JP21 is used to set proper 120 Ω termination resistor for CAN bus; disconnect this jumper if unnecessary.
TP11 and TP12 are connected to the CANL and CANH respectively (pin 2 and pin 7 of the DB9 connector J3).

2.9 UART / LIN
Figure 17 and Figure 18 shows the hardware connection on evaluation board and the schematic diagram for the UART/LIN. ST232 is the bridge between RS232 DB9 female  nterface and TX/RX signal of microcontroller; the L9637 is the ISO9141 interface chip.
In the microcontroller side, the user can set the JP18 and JP19 to configure UART or LIN.
Figure 17. SPC56L-Discovery board – UART / LIN (PCB)

Figure 18. SPC56L-Discovery board – UART / LIN (schematic)

2.10 FlexRay
In the microcontroller side the user can configure the jumpers JP15, JP16 and JP7 allow to set channel A or B .
Figure 19. SPC56L-Discovery board – FlexRay (PCB)

Figure 20. SPC56L-Discovery board – FlexRay (schematic)

2.11 Potentiometers
There are two potentiometers on the board which allow user to feed a range of voltage values into the ADC input to evaluate the performance of ADC.
The analog voltage level (0~VDD_HV_ADRV) can be monitored if the jumper JP7 and/oJP11 are inserted; the digital value can be read from microcontroller.
Figure 21. SPC56L-Discovery board – Potentiometers (PCB)

Figure 22. SPC56L-Discovery board – Potentiometers (schematic)

2.12 I/O header
The I/O microcontroller ins are connected to a 4×37 pin array (connector X6).
Figure 23. SPC56L-Discovery board – I/O header (schematic)

Table 4. SPC56L-Discovery board – I/O header (Table, part 1)

X6 Pin| Port| Description| X6 Pin| Port| Description
---|---|---|---|---|---
A1| | GND| B1| | GND
A2| D14| FlexPWM0_B1| B2| G4| FlexPWM0_B2
A3| G7| FlexPWM0_B3| B3| D11| FlexPWM0_B0
A4| B14| ADC1_AN1| B4| E10| ADC1_AN8
A5| | NC| B5| | NC
A6| G8| FlexPWM0_FAULT0| B6| G9| FlexPWM0_FAULT1
A7| G10| FlexPWM0_FAULT2| B7| G11| FlexPWM0_FAULT3
A8| F0| FlexPWM0_A1| B8| | NC
A9| C10| DSPI2_CS2| B9| A9| DSPI2_CS1
A10| A10| DSPI2_CS0| B10| A11| DSPI2_SCK
A11| A12| DSPI2_SOUT| B11| A13| DSPI2_SIN
A12| RESET_B| RESET| B12| | NC
A13| | NC| B13| | NC
A14| G0| FCU0_F0| B14| | NC
A15| A5| DSPI1_CS0| B15| A6| DSPI1_SCK
A16| A7| DSPI1_SOUT| B16| A8| DSPI1_SIN
A17| B0| CAN0_TXD| B17| A14| CAN1_TXD
A18| D12| FlexPWM0_X1| B18| G2| FlexPWM0_X2
A19| G5| FlexPWM0_X3| B19| D9| FlexPWM0_X0
A20| | NC| B20| | NC
A21| F15| LIN1_RXD| B21| F14| LIN1_TXD
A22| | NC| B22| G3| FlexPWM0_A2
A23| G6| FlexPWM0_A3| B23| D10| FlexPWM0_A0
A24| | NC| B24| F3| DSPI0_CS6
A25| D7| DSPI1_CS3| B25| | NC
A26| B7| DC0_AN0| B26| B12| ADC0/1_AN14
A27| B13| ADC1_AN0| B27| B11| ADC0/1_AN13
A28| B10| ADC0/1_AN12| B28| B9| ADC0/1_AN11
A29| E2| ADC0_AN5| B29| E7| ADC0_AN6
A30| B8| ADC0_AN1| B30| E6| ADC0_AN4
A31| C2| ADC0_AN3| B31| E5| ADC0_AN8
A32| E4| ADC0_AN7| B32| C1| ADC0_AN2
A33| | NC| B33| | NC

Table 4. SPC56L-Discovery board – I/O header (Table, part 1) (continued)

X6 Pin| Port| Description| X6 Pin| Port| Description
---|---|---|---|---|---
A34| | GND| B34| | GND
A35| | NC| B35| | NC
A36| | NC| B36| | NC
A37| | V_EXT_P| B37| | V_EXT_P

Table 5. SPC56L-Discovery board – I/O header (Table, part 2)

Table 5. SPC56L-Discovery board – I/O header (Table, part 2) (continued)

Appendix A General handling precautions

The following precautions are recommended when using the SPC56EL70L5DISP, the PSU or the SPC56L-Discovery board:

• Do not modify or manipulate the board when the DC supply is connected to the board.
• Do not open and tamper the PSU. Use AC plug adaptor if the main socket is not compatible with the PSU.
• Do not supply the board with a DC source higher than 12 V.
• Any equipment or tool used for any manipulation of the semiconductor devices or board modification should be shielded and connected to ground.
• The connectors and cables should be plugged and removed when the board is off.
• It is suggested recommended to use antistatic tools.

Revision history

Revision history

Update Figure _1_and Figure 2.
Replaced RPN SPC56EL70L5DISP with
SPC56L-Discovery
17-Sep-2013| 3| Updated Disclaimer.

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References

• SPC5-STUDIO - Code Generator, Quick resources configurator and Eclipse development environment for SPC5 MCUs - STMicroelectronics

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