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Roadmap Suggested Renesas MCUs
R8C Family: Detailed Lineup for Motors R8C Family Motor Control Reference Platforms
Product Lineup R8C Family Application Notes and Sample code

Roadmap

R8C/12 R8C/11 R8C/13 R8C/16 R8C/17 R8C/14 R8C/15 R8C/1A R8C/1B R8C/18 R8C/19 R8C/24 R8C/25 R8C/22 R8C/23 R8C/20 R8C/21 R8C/26 R8C/27 R8C/28 R8C/29 R8C/2A R8C/2B R8C/2C R8C/2D

These products feature a wide package lineup of 20 to 80 pins, a maximum operating frequency of 20 MHz, and support operating voltages from 2.2 to 5.5 V. With on-chip three-phase PWM timers, they are suitable for 120° conducting control of brushless DC motors or 180° conducting control with sensor. They are suitable for simple open-loop control applications such as 120°conducting control and 180° conducting control with sensor of brushless DC motors, and constant V/f IM motor control.
In particular, the R8C/2K Series and others have advantages which include the reduction of the need for external parts through the incorporation of functions such as a power-on reset circuit, a low voltage detection circuit, and an on-chip oscillator, in addition to motor control functions.

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R8C Family: Detailed Lineup for Motors

R8C/24, 25
1) R8C CPU core
2) 20 MHz operation
3) 1-line inverter timer
4) A wealth of peripheral functions:
LVD, on-chip oscillator, power-on reset, etc.
Low pin count and low-capacity memory lineup. Mainly suitable for use in non-vector control applications due to 16-bit core.

R8C/2K, 2L
1) R8C CPU core, 20 MHz operation
2) 1-line inverter timer
3) A wealth of peripheral functions:
LVD, on-chip oscillator, power-on reset, etc.
Low pin count and low-capacity memory lineup. Mainly suitable for use in non-vector control applications due to 16-bit core.

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Product lineup

Product Series
CPU
FPU
Operating frequency(MHz)
Operating voltage(V)
ROM
RAM
Motor control timers
AD converter
UART/
Clock synchronizer
Serial interfaces
Package pin count
Other functions
CAN
SPI
I2C
USB
R8C/2K, 2L
R8C
-
20
Vcc = 3.0 to 5.5 V
8 to 16
1 to 1.5
1
10 bit x 9 ch
2
32
R8C/24, 25
R8C
-
20
Vcc = 3.0 to 5.5 V
16 to 128
1 to 3
1
10 bit x 12 ch
2
 1
48
R8C/23, 22
R8C
-
20
Vcc = 3.0 to 5.5 V
 32 to 128
2 to 6
1
10 bit x 12 ch
2
1
 1
48, 144
R8C/2A, 2B
R8C
-
20
Vcc = 3.0 to 5.5 V
48 to 128
2.5 to 7.5
1
10 bit x 12 ch
2
 1
64
R8C/2C, 2D
R8C
-
20
Vcc = 3.0 to 5.5 V
48 to 128
2.5 to 7.5
1
10 bit x 20 ch
3
 1
80, 128

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Suggested Renesas MCUs

Control Methods MCU Requirements Suggested Renesas MCU Solutions
R8C Family
Universal/DC Motor Control TRIAC Control GPIO, Timers, Interrupts, A/D Channels
PWM Chopper Control PWM Channel, Timers, A/D Channels
BLDC Motor Control Trapezoidal Drive Control Input Capture, Interrupt, PWM Timer for 3-phase motor control
Sinusoidal Drive Control Input Capture, Interrupt, Complementary PWM Timer for 3-phase motor control
Sinusoidal Drive Vector Control High Performance MCU, High-Speed A/D Converter, Interrupt, Complementary PWM Timer with Deadtime for 3-phase motor control
AC Motor Control V/F Control Input Capture, Interrupt, PWM Timer for 3-phase motor control
Simplified Vector Control Input Capture, Interrupt, Complementary PWM Timer with Deadtime for 3-phase motor control
Vector Control High Performance MCU + MAC, \high-Speed A/D Converter, Input Capture, Interrupt, Complementary PWM Timer with Deadtime for 3-phase motor control
Sensorless Vector Control High Performance MCU + MAC, High-Speed A/D Converter, Input Capture, Interrupt, Complementary PWM Timer with Deadtime for 3-phase motor control

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R8C Family Motor Control Reference Platforms

R8C Family Application Notes and Sample code

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