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The Renesas GR-Sakura FULL development board

20 Jul

Here is the spec information of GR-SAKURA and GR-SAKURA-FULL.

On-board MCU 32-bit high performance CPU
( R5F563NBDDFP ) RX63N 100-pin
▶ Operating frequency: 96 MHz (single precision FPU, on-chip multiplication/division)
▶ Flash ROM: 1M Bytes, RAM:128K bytes,
▶ Data flash:32K bytes
▶ Communication features: USB (host/function), Ether-MAC, I2C, SPI, CAN, IEBus
▶ Timers 16-bit (MTU, TPU, CMT), 8-bit TMR, WDT, independent WDT, PPG
▶ 12 / 10-bit ADC, temperature sensor, data transfer (DMAC, DTC)
Board features ▶ USB function pins (mini-B): Download by USB mass storage (write)
▶ EtherNet (RJ45) pins : LAN such as Web server and remote download available
▶ USB host pins (A): applicable to Android-ADB-ADK
▶ MicroSD jacket: possible to share data with PC
▶ XBee ready pins: mount XBee module for wireless remote download
▶ Additional service pins for advanced timer input/outputs
▶ JTAG pins: E1 emulator debugging is possible
Initial firmware Flash write downloader firmware based on USB mass storage
Power supply 5V (USB bus-powered operation or AC adapter) (RX63N operates in 3.3V)
(1) USB function connector – Connect to PC and Android phone (limited to the USB mass storage compatible devices)
– USB bus-powered
– Transfer rate 12Mbit / sec (bulk, interrupt, and control).
Transfer user program in the RX63N built-in Flash memory
(2) DC power jack (5 V) Use when the USB bus power is not enough
(RX63N operates at 3.3V, which voltage generated by the on-board regulator IC)
(3) USB host connector (type A) Solder the bundled connector on the back side of mini USB connector when needed. You can use it for the Android ADK.
Please note that USB host and USB function can not be used simultaneously.
(4) EtherNet (RJ45) connector 100 / 10 Mbps, internal pulse transformer
(5) JTAG connector JTAG debugger (ready for Renesas-E1)
(6) Arduino-compatible pins Pin and footprint compatible with commonly available Arduino shields. (Please note 3.3V and 5V tolerant pins)
(7) Expansion pin In addition to pins in (6), the board offers auxiliary pins covering most of valid pins on the RX63N 100-pin package .
(8) XBee ready pattern Xbee module can be mounted on this spot, which enables the board to communicate via Zigbee and Wi-Fi.
(9) Micro SD card slot Access in SPI mode
(10) Switch (Red or Brown) SW1 — reset
(Blue) SW2 – available for user
(Slide) SW3 – change the RX63N operation mode
(11) LED 4 pieces
Use freely in the user program.

On-board Jumper Setting Description (For more detail, refer to the GR-SAKURA circuit diagram)GrsakurajumpertopGrsakurajumperbot

  • J1: Bypass the reserve current protection diode when using USB  5V supply.
    (It avoids diode’s voltage drop. But it may cause a reverse current problem.
  • J2: V50 in Arduino is connected to 5V output of the regulator. GR-SAKURA has jumper J2 for isolation.
  • J3: VIN in Arduino is connected to DC input. GR-SAKURA has jumper J3 for isolation in case of supplying 5V.
  • J4: Cut J4 to disconnect AVCC (analog power supply) from VCC (digital power supply).
  • J5: During the boot mode,
    – USB boot when J5 is set to open
    – SCI boot when J5 is set to short-circuited
  • J6: Short-circuit this jumper when you want to use boot mode.
    (You don’t use this jumper since slide switch SW3 does the same setting.)
  • J7: Connect DOUT of the XBee module to P52/RXD2 of RX63N
  • J8: DIN of the XBee module to P50/TXD of RX63N
  • J9: RESET of the XBee module to P51 of RX63N
  • J10: RTS of the XBee module to P54 of RX63N
  • J11: CTS of the XBee module to PP55 of RX63N
  • J12: Connect J12 to have RX63N control the USB-host pull-down registers
  • J13: Connect the USB-host pull-down registers to the ground (permanent pull-down)
  • J14: Connect J14 to have RX63N control the USB-host pull-down registers
  • J15: Connect the USB-host pull-down registers to the ground (permanent pull-down)
    (Jumpers J12 – J15 can be set to open in normal use)
  • J16: Connect Vcc of the XBee module to the 3.3V supply of the GR-SAKURA board.
    (The XBee module consumes a large amount of current during it’s reset, causing the GR-SAKURA board being in an unstable operation. This jumper is useful for using an external 3.3V supply dedicated for the XBee module)
  • J17: This jumper connects RESET of Arduino connector CN14 to the system reset. When a connected Arduino shield outputs the 5V reset signal, it may damage the GR-SAKURA board. Therefore this jumper is set to open in default. Connect this jumper when the connecting shield will output the 3.3V reset signal or the open drain reset signal.

When you start using GR-SAKURA with no shield, you don’t need to modify any jumper setting.

The jumper setting is required in the following situations:

・When you use the XBee module, short-circuit J7,J8,J9,J10,J11, and J16
・When you use USB OTG, short-circuit J12 and J14.
・When you use USB-host mode, short-circuit J13 and J15(USB-function mode is also OK)
・When you use a Arduino shield operating in 5V supply, short-circuit J2.

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Posted by on July 20, 2013 in Microcontrollers

 

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