RL78G16 Fast Prototyping Board pin list

RL78/G16 Fast Prototyping Board

Description

• The RL78/G16 Fast Prototyping Board is provided with interface pins for Arduino Uno conversion.

1. pinlist

• A pin list of the RL78/G16 Fast Prototyping Board is shown below.

RL78/G16 port Number	Arduino Pin Number(Digital IO)	Arduino Uno I/F	MCU header	Grove I/F	Analog IO	PWM	Serial	Wire	SPI	Interrupt	Tone	Pulse	ShiftIn/ShiftOut	LED	User Switch	SD Card	Servo Motor	Stepper
P04	0	〇	J2-23	-	-	-	SoftRXD	-	-	0	-	-	〇	-	-	-	-	-
P03	1	〇	J2-22	-	-	-	SoftTXD	-	-	-	-	-	〇	-	-	-	-	-
P11	2	〇	J1-12	-	-	-	-	-	-	1	-	-	〇	-	-	-	-	-
P10	3	〇	J1-11	-	-	〇	-	-	-	2	〇	〇	〇	-	-	-	-	-
P14	4	〇	J1-15	-	-	-	-	-	-	3	-	-	〇	-	-	-	-	-
P16	5	〇	J2-20	-	-	-	-	-	-	-	-	-	〇	-	-	-	-	-
P17	6	〇	J2-21	-	-	〇	-	-	-	-	〇	〇	〇	-	-	-	-	-
P43	8	〇	J1-1	-	-	-	-	-	-	-	-	-	〇	-	-	-	-	-
P21	11	〇	J2-29	-	-	-	-	-	-	-	〇	-	〇	-	-	-	-	-
P20	12	〇	J2-30	-	-	-	-	-	-	-	-	-	〇	-	-	-	-	-
P41	13	〇	J2-32	-	-	-	-	-	-	-	-	-	〇	-	-	-	-	-
P40	14	-	J1-2	-	-	-	-	-	-	-	-	-	〇	-	-	-	-	-
P137	15	-	J1-4	-	-	-	-	-	-	4	-	-	〇	-	SW2	-	-	-
P12	16	-	J1-13	-	-	-	-	-	-	-	-	-	〇	LED1	-	-	-	-
P13	17	-	J1-14	-	-	-	-	-	-	5	-	-	〇	-	-	-	-	-
P15	18	-	J1-16	-	-	-	-	-	-	-	-	-	〇	LED2	-	-	-	-
P00	19	-	J2-17	-	-	-	TXD0	-	-	-	-	-	〇	-	-	-	-	-
P01	20	-	J2-18	-	-	-	RXD0	-	-	-	-	-	〇	-	-	-	-	-
P60	21	〇	J1-9	〇	-	-	-	SCL0	-	-	-	-	〇	-	-	-	-	-
P61	22	〇	J-10	〇	-	-	-	SDA0	-	-	-	-	〇	-	-	-	-	-
P05	23	〇	J2-24	-	A0	-	-	-	-	6	-	-	〇	-	-	-	-	-
-	IOREF	〇	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
P125	RESET	〇	J1-3	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	3V3	〇	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
VDD	5V	〇	J1-8	〇	-	-	-	-	-	-	-	-	-	-	-	-	-	-
GND	GND	〇	J1-7	〇	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	VIN	〇	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-

2. Functions

• The functions of the RL78/G16 Fast Prototyping Board are listed below.

No.	Name	Function
1	Digital IO	21 Digital Input/output pins
2	Analog IO	1 Analog Input pins
3	PWM	2 PWM Output pins
4	Serial(UART)	1 Serial(UART) channels(※1)
5	Wire(I2C)	1 Wire(I2C) channels
6	Interrupt	7 Interrupt pins
7	Tone	3 Tone Output pins
8	Pulse	2 Pulse Input/Output pins
9	ShiftIn/ShitOut	10(5pair) shiftIn/ShiftOut pins
10	LED	2 on Board LED (pin 16 and pin 18)
11	User Switch	1 on Board User Switch (pin 15)

• (※1) One serial channel (Serial) connects to a Micro-USB connector via a USB-serial converter.
• Refer to the following link for reference on the various functions.
• Arduino Reference - Arduino Reference

2-1. Digital IO

• The RL78/G16 Fast Prototyping Board has 29 digital inputs and outputs.
• In order to use digital I/O, it is necessary to first configure pin direction settings using

• 1. Using pin15 as an input.

   pinMode(15,INPUT);
   val = digitalRead(15);

• 2. Using pin18 as an output.

   pinMode(18,OUTPUT);
   digitailWrite(18,HIGH);

• The pins corresponding to digital I/O are as follows.

  Digital pin	memo
  0-28

2-2. Analog IO(Analog Input)

• The RL78/G16 Fast Prototyping Board has 1 analog inputs and outputs.
• 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	-

2-3. PWM

• The RL78/G16 Fast Prototyping Board has 2 PWM output pins.
• 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 analogWritePinFrequency() to set the frequency, then use analogWrite() to generate PWM output.
• The pins corresponding to PWM output are as follows.

PWM output pin	memo
3, 6	-

2-4. Serial(UART)

• The RL78/G16 Fast Prototyping Board has one serial (UART) channel.
• A serial channel (Serial) is connected to a Micro-USB connector via a USB-serial converter.
• The Serial1 channel and SPI channel cannot be used simultaneously.
• The pin assignments of the channels are as follows.

Channel	Transmit pin	Receive pin	memo
Serial	19	20	Connect to Micro USB port via USB-Serial Converter.

2-5. Wire(I2C)

• The RL78/G16 Fast Prototyping Board has 1 wire (I2C) channel.
• The pin assignments of the channels are as follows.

Channel	Data pin	Clock pin	memo
Wire	21	22	-

2-6. Interrupt

• The RL78/G16 Fast Prototyping Board has 7 external interrupt pins.
• The correspondences between external interrupt numbers and pins are as follows.

Interrupt No.	Interrupt pin	memo
0	0	-
1	2	-
2	3	-
3	4	-
4	15	-
5	17	-
6	23	-

2-7. Tone

• The RL78/G16 Fast Prototyping Board has 3 tone output pins.
• The correspondences between tone outputs and pins are as follows.

Tone output pin	memo
3	-
6	-
11	-

2-8. Pulse

• The RL78/G16 Fast Prototyping Board has 2 pulse input/output pins.
• The correspondences between pulse inputs/outputs and pins are as follows.

Pulse input/output pin	memo
3	-
6	-

2-9. ShiftIn/ShiftOut

• The RL78/G16 Fast Prototyping Board has 21 shift input/output pins (10 pairs).
• The correspondences between shift inputs/outputs and pins are as follows.

Clock pin	Data pin	memo
0~6, 8, 11-23	0~6 , 8, 11-23	Pin15 can only be used for ShiftIn Data Pin.

2-10. LED

• The RL78/G16 Fast Prototyping Board has two LEDs mounted on it.
• The pins connected to the LEDs are as follows.

Name	pin	memo
LED1	16	-
LED2	18	-

2-11. User Switch

• TheRL78/G16 Fast Prototyping Board has one user switch.
• The pin connected to the user switch is as follows.

Name	pin	memo
SW1	15	-