RL78G24 Fast Prototyping Board pin list

RL78/G24 Fast Prototyping Board

Description

• The RL78/G24 Fast Prototyping Board is provided with interface pins for Arduino Uno conversion.

1. pinlist

• A pin list of the RL78/G24 Fast Prototyping Board is shown below.

RL78/G24 port Number	Arduino Pin Number(Digital IO)	Arduino Uno I/F	MCU header	Grove I/F	Analog IO	PWM(※3)(※4)	Serial	Wire	SPI	Interrupt	Tone(※3)(※4)	Pulse	ShiftIn/ShiftOut	LED	User Switch
P03	0	〇	J2-27	-	-	-	RXD1	-	-	-	-	〇	〇	-	-
P02	1	〇	J2-28	-	-	-	TXD1	-	-	-	-	〇	〇	-	-
P140	2	〇	J2-32	-	-	-	-	-	-	0	-	〇	〇	-	-
P17	3	〇	J2-7	-	-	KB32	-	-	-	-	KB32	〇	〇	-	-
P122	4	〇	J1-10	-	-	-	-	-	-	1	-	〇	〇	-	-
P16	5	〇	J2-8	-	-	KB32	-	-	-	2	KB32	〇	〇	-	-
P15	6	〇	J2-9	-	-	RD2	-	-	-	-	RD2	〇	〇	-	-
P121	7	〇	J1-11	-	-	-	-	-	-	3	-	〇	〇	-	-
P30	8	〇	J1-32	-	-	-	-	-	-	-	-	〇	〇	-	-
P14	9	〇	J2-10	-	-	RD2	-	-	-	-	RD2	〇	〇	-	-
P13	10	〇	J2-11	-	-	RD2	-	-	-	-	RD2	〇	〇	-	-
P12	11	〇	J2-12	-	-	RD2	-	-	-	-	RD2	〇	〇	-	-
P11	12	〇	J2-13	〇	-	RD2	-	-	-	-	RD2	〇	〇	-	-
P10	13	〇	J2-14	〇	-	RD2	-	-	-	-	RD2	〇	〇	-	-
P43	14	-	J1-2	-	-	-	-	-	-	4	-	〇	〇	-	-
P42	15	-	J1-3	-	-	-	-	-	-	5	-	〇	〇	-	-
P41	16	-	J1-4	-	-	-	-	-	-	-	-	〇	〇	-	-
P40	17	-	J1-5	-	-	-	-	-	-	-	-	〇	〇	-	-
P124	18	-	-	-	-	-	-	-	-	-	-	-	-	-	-
P123	19	-	-	-	-	-	-	-	-	-	-	-	-	-	-
P137	20	-	J1-9	-	-	-	-	-	-	6	-	〇	〇	-	SW
P62	21	-	J1-19	-	-	-	-	-	-	-	-	-	〇	LED1	-
P63	22	-	J1-20	-	-	-	-	-	-	-	-	-	〇	LED2	-
P31	23	-	J1-21	-	-	-	-	-	-	-	-	〇	〇	-	-
P77	24	-	J1-22	-	-	-	TXD2	-	-	7	-	〇	〇	-	-
P76	25	-	J1-23	-	-	-	RXD2	-	-	8	-	〇	〇	-	-
P75	26	-	J1-24	〇	-	-	-	-	-	-	-	〇	〇	-	-
P74	27	-	J1-25	〇	-	-	-	-	-	-	-	〇	〇	-	-
P73	28	-	J1-26	-	-	-	-	-	-	-	-	〇	〇	-	-
P72	29	-	J1-27	-	-	-	-	-	-	-	-	〇	〇	-	-
P71	30	-	J1-28	〇	-	-	-	-	-	-	-	〇	〇	-	-
P70	31	-	J1-29	〇	-	-	-	-	-	-	-	〇	〇	-	-
P06	32	-	J1-30	-	-	-	-	-	-	-	-	〇	〇	-	-
P05	33	-	J1-31	-	-	-	-	-	-	-	-	〇	〇	-	-
P50	34	-	J2-1	-	-	-	RXD0(※1)	-	-	-	-	〇	〇	-	-
P51	35	-	J2-2	-	-	-	TXD0(※1)	-	-	-	-	〇	〇	-	-
P52	36	-	J2-3	-	-	-	-	-	-	9	-	〇	〇	-	-
P53	37	-	J2-4	-	-	-	-	-	-	10	-	〇	〇	-	-
P54	38	-	J2-5	-	-	-	-	-	-	11	-	〇	〇	-	-
P55	39	-	J2-6	-	-	-	-	-	-	12	-	〇	〇	-	-
P146	40	-	J2-15	-	-	-	-	-	-	-	-	〇	〇	-	-
P27	41	-	J2-17	-	-	-		-	-	-	-	〇	〇	-	-
P26	42	-	J2-18	-	-	-	-	-	-	-	-	〇	〇	-	-
P25	43	-	J2-19	-	-	-	-	-	-	-	-	〇	〇	-	-
P24	44	-	J2-20	-	-	-	-	-	-	-	-	〇	〇	-	-
P21	45	-	J2-23	-	-	-	-	-	-	-	-	-	-	-	-
P130	46	-	J2-25	-	-	-	-	-	-	-	-	〇	〇	-	-
P04	47	-	J2-26	-	-	-	-	-	-	-	-	〇	〇	-	-
P141	48	-	J2-31	-	-	-	-	-	-	-	-	〇	〇	-	-
P60	49	〇	J1-17	-	-	-	-	Wire(SCLA0)	-	-	-	-	-	-	-
P61	50	〇	J1-18	-	-	-	-	Wire(SDAA0)	-	-	-	-	-	-	-
P20	51	〇	J2-24	-	〇(※2)	-	-	-	-	-	-	-	-	-	-
P147	52	〇	J2-16	-	A0	-	-	-	-	-	-	〇	〇	-	-
P23	53	〇	J2-21	-	A1	-	-	-	-	-	-	〇	〇	-	-
P22	54	〇	J2-22	-	A2	-	-	-	-	-	-	〇	〇	-	-
P01	55	〇	J2-29	-	A3	-	-	-	-	-	-	〇	〇	-	-
P00	56	〇	J2-30	-	A4	-	-	-	-	-	-	〇	〇	-	-
P120	57	〇	J1-1	-	A5	-	-	-	-	-	-	〇	〇	-	-
-	IOREF	〇	-	-	-	-	-	-	-	-	-	-	-	-	-
RESET	RESET	〇	J1-6	-	-	-	-	-	-	-	-	-	-	-	-
-	3V3	〇	-	-	-	-	-	-	-	-	-	-	-	-	-
VDD	5V	〇	J1-15	〇	-	-	-	-	-	-	-	-	-	-	-
GND	GND	〇	J1-13	〇	-	-	-	-	-	-	-	-	-	-	-
-	VIN	〇	-	-	-	-	-	-	-	-	-	-	-	-	-
-	EVSS	-	J1-14	-	-	-	-	-	-	-	-	-	-	-	-
-	EVDD	-	J1-16	-	-	-	-	-	-	-	-	-	-	-	-

• (※1) Connection to USB-serial converter
• (※2) Connection to Grove connector
• (※3) Simultaneous use of PWM/Tone is not allowed between pins using Timer RD2
• (※4) Simultaneous use of PWM/Tone is not allowed between pins using Timer KB32

2. Functions

• The functions of the RL78/G24 Fast Prototyping Board are listed below.

No.	Name	Function
1	Digital IO	52 Digital Input/output pins
2	Analog IO	6 Analog Input pins
3	PWM	8 PWM Output pins(※2)(※3)
4	Serial(UART)	3 Serial(UART) channels(※1)
5	Wire(I2C)	1 Wire(I2C) channels
6	SPI	No SPI channels
7	Interrupt	13 Interrupt pins
8	Tone	8 Tone Output pins(※2)(※3)
9	Pulse	50 Pulse Input pins
10	ShiftIn/ShitOut	50(25pair) shiftIn/ShiftOut pins
11	LED	2 on Board LED (pin 21 and pin 22)
12	User Switch	1 on Board User Switch (pin 20)

• (※1) One serial channel (Serial) connects to a Micro-USB connector via a USB-serial converter.

• (※2) Simultaneous use of PWM/Tone is not allowed between pins using Timer RD2.

• (※3) Simultaneous use of PWM/Tone is not allowed between pins using Timer KB32.

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

• Arduino Reference - Arduino Reference

2-1. Digital IO

• The RL78/G24 Fast Prototyping Board has 52 digital inputs and outputs.
• In order to use digital I/O, it is necessary to first configure pin direction settings using pinMode().

• 1. Using pin3 as an input.

   pinMode(3,INPUT);
   val = digitalRead(3);

• 2. Using pin4 as an output.

   pinMode(4,OUTPUT);
   digitailWrite(4,HIGH);

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

  Digital pin	memo
  0-17,20-44,46-48,52-57	-

2-2. Analog IO(Analog Input)

• The RL78/G24 Fast Prototyping Board has six 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	-
A1	-
A2	-
A3	-
A4	-
A5	-

2-3. PWM

• The RL78/G24 Fast Prototyping Board has eight 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 analogWriteFrequency() 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	-
5	-
6	-
9	-
10	-
11	-
12	-
13	-

2-4. Serial(UART)

• The RL78/G24 Fast Prototyping Board has three serial (UART) channels.
• A serial channel (Serial) is connected to a Micro-USB connector via a USB-serial converter.
• The pin assignments of the channels are as follows.

Channel	Transmit pin	Receive pin	memo
Serial	35	34	Connect to Micro USB port via USB-Serial Converter when J14 is open-circuit
Serial1	1	0	Serial1 cannot be used simultaneously with the SPI channel.
Serial2	24	25	-

2-5. Wire(I2C)

• The RL78/G24 Fast Prototyping Board has one wire (I2C) channel.
• The pin assignments of the channels are as follows.

Channel	Data pin	Clock pin	memo
Wire	50	49

2-6. SPI

• The RL78/G24 Fast Prototyping Board has no SPI channel.
• The pin assignment of the channel is as follows.

annel	Chip Select pin	Data out pin	Data in pin	Clock pin	memo

2-7. Interrupt

• Three channels have seven external thirteen interrupt pins.
• The correspondences between external interrupt numbers and pins are as follows.

Interrupt No.	Interrupt pin	memo
0	2	-
1	4	-
2	5	-
3	7	-
4	14	-
5	15	-
6	20(SW)	-
7	24	-
8	25	-
9	36	-
10	37	-
11	38	-
12	39	-

2-8. Tone

• The RL78/G24 Fast Prototyping Board has eight tone output pins.
• The correspondences between tone outputs and pins are as follows.

Tone output pin	memo
3	-
5	-
6	-
9	-
10	-
11	-
12	-
13	-

2-9. Pulse

• The RL78/G24 Fast Prototyping Board has fifty pulse input/output pins.
• The correspondences between pulse inputs/outputs and pins are as follows.

Pulse input/output pin	memo
0-17,20,23-44,46-48,52-57	-

2-10. ShiftIn/ShiftOut

• The RL78/G24 Fast Prototyping Board has 52 shift input/output pins (26 pairs).
• The correspondences between shift inputs/outputs and pins are as follows.

Clock pin	Data pin	memo
0-17,20-44,46-48,52-57	0-17,20-44,46-48,52-57

2-11. LED

• The RL78/G24 Fast Prototyping Board has two LEDs mounted on it.
• The pins connected to the LEDs are as follows.

Name	pin	memo
LED1	21	-
LED2	22	-

2-12. User Switch

• The RL78/G24 Fast Prototyping Board has one user switch.
• The pin connected to the user switch is as follows.

Name	pin	memo
SW1	20	-