RL78G15 Fast Prototyping Board pin list - renesas/Arduino GitHub Wiki

RL78/G15 Fast Prototyping Board

Description

  • The RL78/G15 Fast Prototyping Board is provided with interface pins for Arduino Uno conversion.

1. pinlist

  • A pin list of the RL78/G15 Fast Prototyping Board is shown below.
RL78/G15 port Number Pin Name Arduino Pin Number(Digital IO) Arduino Uno I/F MCU header Pmod I/F Analog IO PWM Serial Wire Interrupt Tone PulseIn ShiftIn ShiftOut LED User Switch
P04 IO0 0 〇 〇 - - - - - 0 〇 - 〇 〇 - -
P03 IO1 1 〇 〇 - - - - - - - - 〇 〇 - -
P137(β€»1) IO2 2 〇 〇 〇 - - - - 1 - - 〇 〇 - SW
P41 IO3 3 〇 〇 〇 - 〇 - - 2 〇 〇 〇 〇 - -
P21 IO4 4 〇 〇 - - - - - - - - 〇 〇 LED2 -
P20 IO7 7 〇 〇 - - - - - - - - 〇 〇 LED1 -
P05 IO13 13 〇 〇 - - - - - - 〇 - 〇 〇 - -
P23 A0 14 〇 〇 〇 A0 - - - - - - 〇 〇 - -
P22 A1 15 〇 〇 〇 A1 - - - - - - 〇 〇 - -
P02 A2 16 〇 〇 〇 A2 - - - - - - 〇 〇 - -
P06 SCL 18 〇 〇 〇 - - - SCLA0 - - - 〇 〇 - -
P07 SDA 19 〇 〇 〇 - - - SDAA0 - - - 〇 〇 - -
P00 - - - 〇 - - - TxD0 - - - - - - - -
P01 - - - 〇 - - - RxD0 - - - - - - - -
- EVDD(IOREF) - 〇 〇 〇 - - - - - - - - - - -
- RESET - 〇 - - - - - - - - - - - - -
- 3V3 - 〇 - - - - - - - - - - - - -
- 5V - 〇 - - - - - - - - - - - - -
- GND - 〇 〇 〇 - - - - - - - - - - -
  • (β€»1) Pin 2 (P137) is an input-only port, so the OUTPUT setting cannot be used.

2. Functions

  • The functions of the RL78/G15 Fast Prototyping Board are listed below.
No. Name Function
1 Digital IO 12 Digital input pins / 11 Digital output pins
2 Analog IO 3 Analog input pins
3 PWM 1 PWM output pin
4 Serial(UART) 1 Serial(UART) channel(β€»1)
5 Wire(I2C) 1 Wire(I2C) channel
6 Interrupt 3 Interrupt pins
7 Tone 3 Tone output pins
8 PulseIn 1 Pulse input pin
9 ShiftIn 11 Clock output pins / 12 Data input pins
10 ShiftOut 11 Clock output pins / 11 Data output pins
11 LED 2 on Board LED (pin 7 and pin 4)(β€»2)
12 User Switch 1 on Board User Switch (pin 2)(β€»3)

  • (β€»1) Serial(RxD0, TxD0) connects to a Micro-USB connector via a USB-serial converter.

  • (β€»2) LED1 (pin 7) and LED2 (pin 4) are pulled up on the circuit.

  • (β€»3) User Switch (pin 2) is pulled up on the circuit.

  • Refer to the following link for reference on the various functions.

  • Arduino Reference - Arduino Reference

2-1. Digital IO

  • The RL78/G15 Fast Prototyping Board has 12 Digital input pins and 11 Digital output pins.
  • When using digital IO, pinMode() must first be called to set the specified pin to operate as an input or output.

    1. Using pin3 as an input.
   pinMode(3,INPUT);
   val = digitalRead(3);
    1. Using pin4 as an output.
   pinMode(4,OUTPUT);
   digitailWrite(4,HIGH);
  • The pins corresponding to digital I/O are as follows.
Digital input pin Digital output pin memo
0-4, 7, 13-16, 18, 19 0, 1, 3, 4, 7, 13-16, 18, 19 -

2-2. Analog IO(Analog Input)

  • The RL78/G15 Fast Prototyping Board has 3 analog input pins.
  • Analog input signals are A/D converted and the resulting digital values are returned.
  • To use analog input, use analogRead() to specify the analog pin name and read the data.

  • Use A0 pin
val =analogRead(A0);
  • The pins corresponding to analog input are as follows.
Analog input pin memo
A0, A1, A2 -

2-3. PWM

  • The RL78/G15 Fast Prototyping Board has 1 PWM output pin.
  • To use PWM output, use analogWrite() to specify the pin name and duty, and generate PWM output.
  • To change the PWM output pulse frequency, use analogWriteFrequency() to set the frequency, then use analogWrite() to generate PWM output.
  • The pin corresponding to PWM output are as follows.
PWM output pin memo
3 -

2-4. Serial(UART)

  • The RL78/G15 Fast Prototyping Board has 1 serial (UART) channel.
  • The default transmit buffer size when using each channel is 32 bytes.
  • The default receive buffer size when using each channel is 32 bytes.
  • The pin assignments of the channels are as follows.
Channel Transmit pin Receive pin memo
Serial -(P00) -(P01) Connect to Micro USB port via USB-Serial Converter when J14 is open-circuit

2-5. Wire(I2C)

  • The RL78/G15 Fast Prototyping Board has 1 wire (I2C) channel.
  • The pin assignments of the channels are as follows.
Channel Data pin Clock pin memo
Wire 19(SDA) 18(SCL) -

2-6. Interrupt

  • The RL78/G15 Fast Prototyping Board has 3 external interrupt pins.
  • The correspondences between external interrupt numbers and pins are as follows.
Interrupt No. Interrupt pin memo
0 0 -
1 2(SW) -
2 3 -

2-7. Tone

  • The RL78/G15 Fast Prototyping Board has 3 tone output pins.
  • The correspondences between tone outputs and pins are as follows.
Tone output pin memo
0, 3, 13 -

2-8. PulseIn

  • The RL78/G15 Fast Prototyping Board has 1 pulse input pin corresponding to pulseIn().
  • The pin corresponding to pulseIn() are as follows.
Pulse input pin memo
3 -

2-9. ShiftIn

  • The RL78/G15 Fast Prototyping Board has 11 clock output pins and 12 data input pins corresponding to shiftIn().
  • The pins corresponding to shiftIn() are as follows.
Clock pin Data pin memo
0, 1, 3, 4, 7, 13-16, 18, 19 0-4, 7, 13-16, 18, 19 -

2-10. ShiftOut

  • The RL78/G15 Fast Prototyping Board has 11 clock output pins and 11 data output pins corresponding to shiftOut().
  • The pins corresponding to shiftOut() are as follows.
Clock pin Data pin memo
0, 1, 3, 4, 7, 13-16, 18, 19 0, 1, 3, 4, 7, 13-16, 18, 19 -

2-11. LED

  • The RL78/G15 Fast Prototyping Board has two LEDs mounted on it.
  • The pins connected to the LEDs are as follows.
Name pin memo
LED1 7 -
LED2 4 -

2-12. User Switch

  • The RL78/G15 Fast Prototyping Board has one user switch.
  • The pin connected to the user switch is as follows.
Name pin memo
SW 2 -

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