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RX65N Group 

 

RX65N Envision Kit User’s Manual 

 

Rev. 1.00 Sep 2017 

 

32 

RENESAS 32-Bit MCU 

RX Family / RX600 Series 

All information contained in these materials, including products and product specifications, represents 

information on the product at the time of publication and is subject to change by Renesas Electronics 

Corporation  without  notice.  Please  review  the  latest  information  published  by  Renesas  Electronics 

Corporation  through  various  means,  including  the  Renesas  Electronics  Corporation  website 

(http://www.renesas.com). 

 

 

 

32 

Us

er

’s Manual

 

Summary of Contents for RX65N Series

Page 1: ...ducts and product specifications represents information on the product at the time of publication and is subject to change by Renesas Electronics Corporation without notice Please review the latest information published by Renesas Electronics Corporation through various means including the Renesas Electronics Corporation website http www renesas com 32 User s Manual ...

Page 2: ...eristics such as the occurrence of failure at a certain rate and malfunctions under certain use conditions Further Renesas Electronics products are not subject to radiation resistance design Please ensure to implement safety measures to guard them against the possibility of bodily injury injury or damage caused by fire and social damage in the event of failure or malfunction of Renesas Electronics...

Page 3: ...ip power on reset function are not guaranteed from the moment when power is supplied until the power reaches the level at which resetting has been specified 3 Prohibition of Access to Reserved Addresses Access to reserved addresses is prohibited The reserved addresses are provided for the possible future expansion of functions Do not access these addresses the correct operation of LSI is not guara...

Page 4: ...d by turning the equipment off or on you are encouraged to try to correct the interference by one or more of the following measures ensure attached cables do not lie across the equipment reorient the receiving antenna increase the distance between the equipment and the receiver connect the equipment into an outlet on a circuit different from that which the receiver is connected power down the equi...

Page 5: ...tails The following documents apply to the RX65N Group Make sure to refer to the latest versions of these documents The newest versions of the documents listed may be obtained from the Renesas Electronics Web site Document Type Description Document Title Document No User s Manual Describes the technical details of the Envision Kit hardware RX65N Envision Kit User s Manual R01UH0761 Schematic Circu...

Page 6: ...al Display LED Light Emitting Diode MCU Micro controller Unit PC Personal Computer PCB Printed Circuit Board Pmod This is a Digilent Pmod Compatible connector PmodTM is registered to Digilent Inc Digilent Pmod_Interface_Specification QSPI Quad Serial Peripheral Interface QVGA Quarter Video Graphics Array RAM Random Access Memory RMII Reduced Media Independent Interface ROM Read Only Memory RPB Ren...

Page 7: ...B Serial UART Connections to MCU 18 4 2 5 USB Serial UART Configuration 18 4 2 6 External E1 E2 Lite Emulator Connection 18 4 3 Clock Circuit 18 4 4 Switch and Joystick 19 4 5 LEDs 19 4 6 Pmod 20 4 6 1 PmodTM Configuration 20 4 7 Ethernet 21 4 7 1 Ethernet Transceiver 21 4 7 2 Ethernet Connector and RMII Transceiver IC 22 4 8 USB Host 23 4 8 1 USB Host Power Management 23 4 9 WQVGA LCD Display 24 ...

Page 8: ... QSPI serial Flash USB 2 0 Host Connection for external PmodTM based peripherals The RX65N Envision Kit board contains all the circuitry required for microcontroller operation A variety of other peripherals are tracked into the RX65N Envision Kit PCB design but not fitted as standard Ethernet Requires Ethernet RMII Phy IC and surface mount connector SD Host Interface Requires SDHI connector and po...

Page 9: ...ight Centre 1 LED 3 3V power indicator Green x 1 E2 on board debugger activity Indicator Green x 1 User Blue x 1 Ethernet Status Green x 1 Yellow x 1 Ethernet 1 Connector RJ45 x 1 1 Transceiver Single Channel RMII transceiver 1 SDHI 1 2 SD Card Slot 4 bit x 1 1 USB USB0 Host USB TypeA USB to Serial Converter Interface Connector USB MiniB selectable between debugger or serial operation by DIP switc...

Page 10: ...plying at least 500mA Note that the current drawn from USB Host PmodTM or SDHI interfaces when used must also be considered when determining the current requirements of the supply to the Envision Kit 2 2 Characteristics The power supply for the RX65N Envision Kit does not have any user configurable options The 5V input from the mini B USB CN9 is used to source the 5V output from the USB A Host out...

Page 11: ...layout of the board User Switch QSPI Serial Flash PmodTM Connector User LED Blue USB Type A Socket LCD Direct Drive Interface LCD Touchscreen Interface Power LED Green USB Mini B Socket for Power and debugger serial operation E2 Emulator Lite Debugger LED Green Switches for Debugger Mode Configuration RX65N MCU Figure 3 1 Board Layout Underside with display removed ...

Page 12: ...ard ArduinoTM Headers Spare MCU Port Header Analogue Header ArduinoTM Headers E1 Debugger Header Figure 3 3 below shows the User Fit options on the bottom component layout of the board Ethernet Socket LAN8720A Ethernet Transceiver Joystick Power Control for SD SD Card Slot Figure 3 2 Board Layout Showing User Fit Header Locations Figure 3 3 Board Layout Showing User Fit Options ...

Page 13: ...2017 3 2 Component Placement Figure 3 4 below shows the placement of individual components on the bottom side of the PCB There are no components located on the top side Component types and values can be looked up using the board schematics Figure 3 4 Bottom Side Component Placement ...

Page 14: ...MCU Reset E2OB Programmer Debugger OR USB Serial UART CN9 USB Mini B input 5V VBUS Power 3 3V Regulator Power Control SDHI Ethernet User LED User Switch 1 x IRQ Joystick 5 x IRQ 32MBit QSPI Flash PmodTM USB Host Capacitive Touch Cotroller WQVGA 480 x 272 TFT Display with Capacitive Touchscreen 23 5V TFT Backlight Power Supply I2C SCI ADC Enable Fault 3 3V LAN8720 RMII Phy IC Power Control Enable F...

Page 15: ... USB input from CN9 A zero Ohm link R53 is connected in series to allow the debugger circuit to be operated from the USB supply when the rest of the board is supplied from another source for example the ArduinoTM interface 4 1 3 LCD Backlight Power Circuit The LCD backlight power supply is required to drive the backlight of the TFT LCD display fitted to the Envision Kit The backlight consists of a...

Page 16: ...n Board abbreviated name E2OB to work with the RX65N MCU device Further functionality is provided by the incorporation of USB Serial communications within the E2OB and the ability to switch between the two operating modes by user switch 4 2 1 E2 On Board Programmer Debugger The E2OB implements the functionality of the Renesas E2 Lite Programmer Debugger on the Envision PCB requiring just a USB con...

Page 17: ... in order for any change to take effect the Envision Kit should be reset by re cycling the power to the board Table 4 3 SW4 Configurations for E2OB Mode Setting SW4 Setting Description Position 1 ON USB Serial Mode OFF Programmer Debugger Mode Position 2 ON Not Used OFF When the Envision Kit is first connected to a PC running WindowsTM Windows 10 with the USB Serial connection the PC will look for...

Page 18: ...PC3_USBTXD USB Serial UART TXD5 MOSI5 R82 R72 PC3_MOSI5_ARD_D11 Arduino D11 MOSI5 4 2 6 External E1 E2 Lite Emulator Connection The connector CN3 not fitted as standard allows the use of an external E1 or E2 Lite not supplied to be used instead of the existing E2OB When in use the on board E2OB should be switched off by setting SW1 position 1 to OFF See section 4 2 2 For details of obtaining and u...

Page 19: ... RIGHT P03 4 IRQ11 CENTRE P12 45 IRQ2 The joystick SW3 is not fitted as standard to the Envision board The part number details are shown in Table 4 9 below For its location on the Envision Kit PCB refer to Figure 3 3 Table 4 9 Not Fitted Joystick SW3 Component Details RefDes Description Manufacturer Manufacturer s Part Number SW3 5 switch joystick surface mount ALPS SKQUDBE010 4 5 LEDs There are 5...

Page 20: ...MISO2_PMOD_3 P52 54 2 9 PB7_TXD9_PMOD_9 PB7 78 2 4 P51_SCK2_PMOD_4 P51 55 10 PB6_RXD9_PMOD_10 PB6 79 2 5 GROUND 11 GROUND 6 Board_3V3 12 Board_3V3 1 Note that there is no internal pullup connected to this pin on the Envision Kit PCB 2 The configuration of this port pin is subject to on PCB option links Refer to Table 4 12 for further details 4 6 1 PmodTM Configuration Table 4 12 below details the ...

Page 21: ...76_ET0_RX_CLK P76 69 RMII0RXER Receive data error P77_ET0_RX_ER P77 68 RMII0RXD0 Receive data bit 0 P75_ET0_RXD0 P75 71 RMII0RXD1 Receive data bit 1 P74_ET0_RXD1 P74 72 RMII0CRSDV Carrier sense P83_ET0_CRS P83 58 4 7 1 Ethernet Transceiver The Microchip LAN8720A Ethernet transceiver IC6 is a 25 pin Reduced Media Independent Interface RMII device designed to reduce the number of pins used by the Et...

Page 22: ...uration of the LAN8720A in 50MHz clock out mode is that the nINT REFCLKO pin on the LAN8720A device is used to provide the 50MHz clock signal When configured to operate in clock in mode this pin is freed and can be used to indicate link status to the Ethernet controller on the RX65N MCU via the ET0_LINKSTA pin This can provide link status to the Ethernet controller as an interrupt driven hardware ...

Page 23: ...er current detection signal A P14_USB0_OVR_CURA P14 43 4 8 1 USB Host Power Management The 5V supply to the USB Host output uses a power management circuit to control the power output and provide protection from overloads and short circuits The schematic for this is shown in Figure 4 6 below The circuit is based around the ISL61861 power management IC from Intersil which has an active high enable ...

Page 24: ...the Envision board test points TP10 TP11 TP14 TP15 allow connections to a resistive touchscreen integrated in the display to be made although circuitry to read this is not in the Envision Kit design Table 4 18 below describes the connections from the Envision Kit to the display 4 9 2 Capacitive Touchscreen The Envision Kit display incorporates a capacitive touchscreen which is accessed via a multi...

Page 25: ...reen 1 PE6_LCD_DATA10 PE6 102 15 Green 2 PA3_LCD_DATA5 PA3 94 16 Green 3 PA2_LCD_DATA6 PA2 95 17 Green 4 PA1_LCD_DATA7 PA1 96 18 Green 5 PA0_LCD_DATA8 PA0 97 19 Green 6 PE7_LCD_DATA9 PE7 101 20 Green 7 PE6_LCD_DATA10 PE6 102 21 Blue 0 PA6_LCD_DATA2 PA6 89 22 Blue 1 PA5_LCD_DATA3 PA5 90 23 Blue 2 PA4_LCD_DATA4 PA4 92 24 Blue 3 PB0_LCD_DATA0 PB0 87 25 Blue 4 PA7_LCD_DATA1 PA7 88 26 Blue 5 PA6_LCD_DA...

Page 26: ...ard Slot to be fitted to the Envision Kit connecting to the SD Host Interface SDHI MCU peripheral For further details regarding the SDHI operation please refer to the RX65N Group User s Manual Hardware It is not recommended to insert or remove the SD card during MCU reset because the SD card power supply is enabled during MCU reset The connections for the SDHI signals are listed in Table 4 20 belo...

Page 27: ... Figure 4 7 below The circuit is based around the ISL61861 power management IC from Intersil which has an active high enable input an asserted low fault output and can supply up to 1 5A from the 3 3V source supply For more details concerning the ISL61861 device visit the Intersil website www intersil com Please note that the source supply the USB connection on CN9 needs to be able to provide at le...

Page 28: ...turer Manufacturer s Part Number CN7 SD MMC Connector surface mount Amphenol 101 00565 64 U2 Power Management IC SOIC8 Intersil ISL61861BIBZ 4 12 ArduinoTM The Envision Kit provides the ability to fit ArduinoTM shields to be fitted to the board to add functionality Note that the headers themselves are not fitted to the Envision PCB and that the display would have to be removed in order to fit them...

Page 29: ...TAG TRST R15 R21 P34_TGT_TRST JTAG Target RST IRQ4 MTIOC0A R21 R15 P34_ARD_D3_IRQ4_MTIOC0A Arduino D3 IRQ4 MTIOC0A 70 PC2 PC2_USBRXD_ARD_D12 SCI RXD5 R65 R71 PC2_USBRXD USB Serial RXD5 SCI MISO5 R71 R65 PC2_MISO5_ARD_D12 Arduino D12 MISO5 67 PC3 PC3_USBTXD_ARD_D11 SCI TXD5 R72 R82 PC3_USBTXD USB Serial TXD5 SCI MOSI5 R82 R72 PC3_MOSI5_ARD_D11 Arduino D11 MOSI5 Note concerning the revision of Ardui...

Page 30: ...RQ3 DS P33 26 Arduino D5 CN13 pin 3 IRQ2 DS P32 27 Arduino D6 CN13 pin 2 IRQ9 P21 36 SDHI clock CN7 pin 8 IRQ8 P20 37 SDHI CMD CN7 pin 12 22K pullup IRQ7 P17 38 SDHI D3 CN7 pin 14 22K pullup IRQ5 P15 42 Adruino D9 CN12 pin 9 IRQ3 P13 44 joystick SW3 left IRQ2 P12 45 joystick SW3 centre IRQ10 P55 51 CN14 Pmod pin 8 IRQ13 PC6 61 CN14 Pmod pin 7 IRQ12 PC1 73 Arduino D13 CN12 pin 5 IRQ14 PC0 75 Arduin...

Page 31: ...chsupport america renesas com Europe https www renesas eu ibg kitsupport Japan csc renesas com Website https www renesas com Trademarks All brand or product names used in this manual are trademarks or registered trademarks of their respective companies or organisations Copyright This document may be wholly or partially subject to change without notice All rights reserved Duplication of this docume...

Page 32: ...REVISION HISTORY RX65N Envision Kit User s Manual Rev Date Description Page Summary 1 00 Sep 30 2017 First Edition issued C 1 ...

Page 33: ...RX65N Envision Kit User s Manual Publication Date Rev 1 00 Sep 30 2017 Published by Renesas Electronics Corporation ...

Page 34: ...33 Tel 86 21 2226 0888 Fax 86 21 2226 0999 Renesas Electronics Hong Kong Limited Unit 1601 1611 16 F Tower 2 Grand Century Place 193 Prince Edward Road West Mongkok Kowloon Hong Kong Tel 852 2265 6688 Fax 852 2886 9022 Renesas Electronics Taiwan Co Ltd 13F No 363 Fu Shing North Road Taipei 10543 Taiwan Tel 886 2 8175 9600 Fax 886 2 8175 9670 Renesas Electronics Singapore Pte Ltd 80 Bendemeer Road ...

Page 35: ...R01UH0761EG0100 RX65N Group ...

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