R8C/34W, R8C/34X, R8C/34Y, R8C/34Z

The following page content corresponds to the products marketed in Japan.
If you do not live in Japan, please

Microcontrollers (MCU) and Microprocessors (MPU)

R8C Family

R8C/3x

Product Specifications
Oscillation Parameters

Table 1. Specifications for R8C/34W Group

Item	Function	Specification
CPU	Central processing unit	R8C CPU core Number of fundamental instructions: 89 Minimum instruction execution time: 50 ns (f(XIN) = 20 MHz, VCC = 2.7 to 5.5 V) Multiplier: 16 bits × 16 bits → 32 bits Multiply-accumulate instruction: 16 bits × 16 bits + 32 bits → 32 bits Operation mode: Single-chip mode (address space: 1 Mbyte)
Memory	ROM, RAM, Data Flash	See Product Lineup.
Power Supply Voltage Detection	Voltage detection circuit	Power-on reset Voltage detection 3 (detection level of voltage detection 1 selectable)
I/O Ports	Programmable I/O ports	Input-only: 1 pin CMOS I/O ports: 43, selectable pull-up resistor
Clock	Clock generation circuits	3 circuits: XIN clock oscillation circuit (with on-chip feedback resistor), High-speed on-chip oscillator (with frequency adjustment function), Low-speed On-chip oscillator Oscillation stop detection: XIN clock oscillation stop detection function Frequency divider circuit: Dividing selectable 1, 2, 4, 8, and 16 Low power consumption modes: Standard operating mode (high-speed clock, high-speed on-chip oscillator, low-speed on-chip oscillator), wait mode, stop mode
Interrupts		Interrupt vectors: 69 External: 9 sources (INT × 5, Key input × 4) Priority levels: 7 levels
Watchdog Timer		14 bits × 1 (with prescaler) Reset start selectable Low-speed on-chip oscillator for watchdog timer selectable
DTC (Data Transfer Controller)		1 channel Activation sources: 31 Transfer modes: 2 (normal mode, repeat mode)
Timer	Timer RA	8 bits × 1 (with 8-bit prescaler) Timer mode (period timer), pulse output mode (output level inverted every period), event counter mode, pulse width measurement mode, pulse period measurement mode
	Timer RB	8 bits × 1 (with 8-bit prescaler) Timer mode (period timer), programmable waveform generation mode (PWM output), programmable one-shot generation mode, programmable wait one-shot generation mode
	Timer RC	16 bits × 1 (with 4 capture/compare registers) Timer mode (input capture function, output compare function), PWM mode (output 3 pins), PWM2 mode (PWM output pin)
	Timer RD	16 bits × 2 (with 4 capture/compare registers) Timer mode (input capture function, output compare function), PWM mode (output 6 pins), reset synchronous PWM mode (output three-phase waveforms (6 pins), sawtooth wave modulation), complementary PWM mode (output three-phase waveforms (6 pins), triangular wave modulation), PWM3 mode (PWM output 2 pins with fixed period)
	Timer RE	8 bits × 1 Output compare mode
Serial Interface	UART0	1 channel Clock synchronous serial I/O, UART
Serial Interface	UART2	1 channel Clock synchronous serial I/O, UART, I²C mode (Simple I²C), IE mode (IE BUS), multiprocessor communication function
Synchronous Serial Communication Unit (SSU)		1 channel
LIN Module		Hardware LIN: 1 (timer RA, UART0)
CAN Module		1 channel, 16 Mailboxes (conforms to the ISO 11898-1)
A/D Converter		10-bit resolution × 12 channels, includes sample and hold function, with sweep mode
Flash Memory		Programming and erasure voltage: VCC=2.7 to 5.5 V Programming and erasure endurance: 10,000 times (data flash), 1,000 times (program ROM) Program security: ROM code protect, ID code check Debug functions: On-chip debug, on-board flash rewrite function Background operation (BGO) function (data flash)
Operating Frequency/ Supply Voltage		f(XIN) = 20 MHz (VCC = 2.7 to 5.5 V)
Current Consumption		Typ. 7 mA (VCC = 5.0 V, f(XIN) = 20 MHz)
Operating Ambient Temperature		-40 to 85 degrees C (J version) -40 to 125 degrees C (K version)⁽¹⁾
Package		48-pin LQFP Package code: PLQP0048KB-A (previous code: 48P6Q-A)

Note:
1. Specify the K version if K version functions are to be used.

Table 2. Specifications for R8C/34X Group

Item	Function	Specification
CPU	Central processing unit	R8C CPU core Number of fundamental instructions: 89 Minimum instruction execution time: 50 ns (f(XIN) = 20 MHz, VCC = 2.7 to 5.5 V) Multiplier: 16 bits × 16 bits → 32 bits Multiply-accumulate instruction: 16 bits × 16 bits + 32 bits → 32 bits Operation mode: Single-chip mode (address space: 1 Mbyte)
Memory	ROM, RAM, Data Flash	See Product Lineup
Power Supply Voltage Detection	Voltage detection circuit	Power-on reset Voltage detection 3 (detection level of voltage detection 1 selectable)
I/O Ports	Programmable I/O ports	Input-only: 1 pin CMOS I/O ports: 43, selectable pull-up resistor
Clock	Clock generation circuits	3 circuits: XIN clock oscillation circuit (with on-chip feedback resistor), High-speed on-chip oscillator (with frequency adjustment function), Low-speed On-chip oscillator Oscillation stop detection: XIN clock oscillation stop detection function Frequency divider circuit: Dividing selectable 1, 2, 4, 8, and 16 Low power consumption modes: Standard operating mode (high-speed clock, high-speed on-chip oscillator, low-speed on-chip oscillator), wait mode, stop mode
Interrupts		Interrupt vectors: 69 External: 9 sources (INT × 5, Key input × 4) Priority levels: 7 levels
Watchdog Timer		14 bits × 1 (with prescaler) Reset start selectable Low-speed on-chip oscillator for watchdog timer selectable
DTC (Data Transfer Controller)		1 channel Activation sources: 31 Transfer modes: 2 (normal mode, repeat mode)
Timer	Timer RA	8 bits × 1 (with 8-bit prescaler) Timer mode (period timer), pulse output mode (output level inverted every period), event counter mode, pulse width measurement mode, pulse period measurement mode
	Timer RB	8 bits × 1 (with 8-bit prescaler) Timer mode (period timer), programmable waveform generation mode (PWM output), programmable one-shot generation mode, programmable wait one-shot generation mode
	Timer RC	16 bits × 1 (with 4 capture/compare registers) Timer mode (input capture function, output compare function), PWM mode (output 3 pins), PWM2 mode (PWM output pin)
	Timer RD	16 bits × 2 (with 4 capture/compare registers) Timer mode (input capture function, output compare function), PWM mode (output 6 pins), reset synchronous PWM mode (output three-phase waveforms (6 pins), sawtooth wave modulation), complementary PWM mode (output three-phase waveforms (6 pins), triangular wave modulation), PWM3 mode (PWM output 2 pins with fixed period)
	Timer RE	8 bits × 1 Output compare mode
Serial Interface	UART0	1 channel Clock synchronous serial I/O, UART
Serial Interface	UART2	1 channel Clock synchronous serial I/O, UART, I²C mode (Simple I²C), IE mode (IE BUS), multiprocessor communication function
Synchronous Serial Communication Unit (SSU)		1 channel
LIN Module		Hardware LIN: 1 (timer RA, UART0)
CAN Module		1 channel, 16 Mailboxes (conforms to the ISO 11898-1)
A/D Converter		10-bit resolution × 12 channels, includes sample and hold function, with sweep mode
Flash Memory		Programming and erasure voltage: VCC=2.7 to 5.5 V Programming and erasure endurance: 100 times (program ROM) Program security: ROM code protect, ID code check Debug functions: On-chip debug, on-board flash rewrite function
Operating Frequency/ Supply Voltage		f(XIN) = 20 MHz (VCC = 2.7 to 5.5 V)
Current Consumption		Typ. 7 mA (VCC = 5.0 V, f(XIN) = 20 MHz)
Operating Ambient Temperature		-40 to 85 degrees C (J version) -40 to 125 degrees C (K version)⁽¹⁾
Package		48-pin LQFP Package code: PLQP0048KB-A (previous code: 48P6Q-A)

Note:
1. Specify the K version if K version functions are to be used.

Table 3. Specifications for R8C/34Y Group

Item	Function	Specification
CPU	Central processing unit	R8C CPU core Number of fundamental instructions: 89 Minimum instruction execution time: 50 ns (f(XIN) = 20 MHz, VCC = 2.7 to 5.5 V) Multiplier: 16 bits × 16 bits → 32 bits Multiply-accumulate instruction: 16 bits × 16 bits + 32 bits → 32 bits Operation mode: Single-chip mode (address space: 1 Mbyte)
Memory	ROM, RAM, Data Flash	See Product Lineup.
Power Supply Voltage Detection	Voltage detection circuit	Power-on reset Voltage detection 3 (detection level of voltage detection 1 selectable)
I/O Ports	Programmable I/O ports	Input-only: 1 pin CMOS I/O ports: 43, selectable pull-up resistor
Clock	Clock generation circuits	3 circuits: XIN clock oscillation circuit (with on-chip feedback resistor), High-speed on-chip oscillator (with frequency adjustment function), Low-speed On-chip oscillator Oscillation stop detection: XIN clock oscillation stop detection function Frequency divider circuit: Dividing selectable 1, 2, 4, 8, and 16 Low power consumption modes: Standard operating mode (high-speed clock, high-speed on-chip oscillator, low-speed on-chip oscillator), wait mode, stop mode
Interrupts		Interrupt vectors: 69 External: 9 sources (INT × 5, Key input × 4) Priority levels: 7 levels
Watchdog Timer		14 bits × 1 (with prescaler) Reset start selectable Low-speed on-chip oscillator for watchdog timer selectable
DTC (Data Transfer Controller)		1 channel Activation sources: 31 Transfer modes: 2 (normal mode, repeat mode)
Timer	Timer RA	8 bits × 1 (with 8-bit prescaler) Timer mode (period timer), pulse output mode (output level inverted every period), event counter mode, pulse width measurement mode, pulse period measurement mode
	Timer RB	8 bits × 1 (with 8-bit prescaler) Timer mode (period timer), programmable waveform generation mode (PWM output), programmable one-shot generation mode, programmable wait one-shot generation mode
	Timer RC	16 bits × 1 (with 4 capture/compare registers) Timer mode (input capture function, output compare function), PWM mode (output 3 pins), PWM2 mode (PWM output pin)
	Timer RD	16 bits × 2 (with 4 capture/compare registers) Timer mode (input capture function, output compare function), PWM mode (output 6 pins), reset synchronous PWM mode (output three-phase waveforms (6 pins), sawtooth wave modulation), complementary PWM mode (output three-phase waveforms (6 pins), triangular wave modulation), PWM3 mode (PWM output 2 pins with fixed period)
	Timer RE	8 bits × 1 Output compare mode
Serial Interface	UART0	1 channel Clock synchronous serial I/O, UART
Serial Interface	UART2	1 channel Clock synchronous serial I/O, UART, I²C mode (Simple I²C), IE mode (IE BUS), multiprocessor communication function
Synchronous Serial Communication Unit (SSU)		1 channel
LIN Module		Hardware LIN: 1 (timer RA, UART0)
A/D Converter		10-bit resolution × 12 channels, includes sample and hold function, with sweep mode
Flash Memory		Programming and erasure voltage: VCC=2.7 to 5.5 V Programming and erasure endurance: 10,000 times (data flash), 1,000 times (program ROM) Program security: ROM code protect, ID code check Debug functions: On-chip debug, on-board flash rewrite function Background operation (BGO) function (data flash)
Operating Frequency/ Supply Voltage		f(XIN) = 20 MHz (VCC = 2.7 to 5.5 V)
Current Consumption		Typ. 7 mA (VCC = 5.0 V, f(XIN) = 20 MHz)
Operating Ambient Temperature		-40 to 85 degrees C (J version) -40 to 125 degrees C (K version)⁽¹⁾
Package		48-pin LQFP Package code: PLQP0048KB-A (previous code: 48P6Q-A)

Note:
1. Specify the K version if K version functions are to be used.

Table 4. Specifications for R8C/34Z Group

Item	Function	Specification
CPU	Central processing unit	R8C CPU core Number of fundamental instructions: 89 Minimum instruction execution time: 50 ns (f(XIN) = 20 MHz, VCC = 2.7 to 5.5 V) Multiplier: 16 bits × 16 bits → 32 bits Multiply-accumulate instruction: 16 bits × 16 bits + 32 bits → 32 bits Operation mode: Single-chip mode (address space: 1 Mbyte)
Memory	ROM, RAM, Data Flash	See Product Lineup.
Power Supply Voltage Detection	Voltage detection circuit	Power-on reset Voltage detection 3 (detection level of voltage detection 1 selectable)
I/O Ports	Programmable I/O ports	Input-only: 1 pin CMOS I/O ports: 43, selectable pull-up resistor
Clock	Clock generation circuits	3 circuits: XIN clock oscillation circuit (with on-chip feedback resistor), High-speed on-chip oscillator (with frequency adjustment function), Low-speed on-chip oscillator Oscillation stop detection: XIN clock oscillation stop detection function Frequency divider circuit: Dividing selectable 1, 2, 4, 8, and 16 Low power consumption modes: Standard operating mode (high-speed clock, high-speed on-chip oscillator, low-speed on-chip oscillator), wait mode, stop mode
Interrupts		Interrupt vectors: 69 External: 9 sources (INT × 5, Key input × 4) Priority levels: 7 levels
Watchdog Timer		14 bits × 1 (with prescaler) Reset start selectable Low-speed on-chip oscillator for watchdog timer selectable
DTC (Data Transfer Controller)		1 channel Activation sources: 31 Transfer modes: 2 (normal mode, repeat mode)
Timer	Timer RA	8 bits × 1 (with 8-bit prescaler) Timer mode (period timer), pulse output mode (output level inverted every period), event counter mode, pulse width measurement mode, pulse period measurement mode
	Timer RB	8 bits × 1 (with 8-bit prescaler) Timer mode (period timer), programmable waveform generation mode (PWM output), programmable one-shot generation mode, programmable wait one-shot generation mode
	Timer RC	16 bits × 1 (with 4 capture/compare registers) Timer mode (input capture function, output compare function), PWM mode (output 3 pins), PWM2 mode (PWM output pin)
	Timer RD	16 bits × 2 (with 4 capture/compare registers) Timer mode (input capture function, output compare function), PWM mode (output 6 pins), reset synchronous PWM mode (output three-phase waveforms (6 pins), sawtooth wave modulation), complementary PWM mode (output three-phase waveforms (6 pins), triangular wave modulation), PWM3 mode (PWM output 2 pins with fixed period)
	Timer RE	8 bits × 1 Output compare mode
Serial Interface	UART0	1 channel Clock synchronous serial I/O, UART
Serial Interface	UART2	1 channel Clock synchronous serial I/O, UART, I²C mode (Simple I²C), IE mode (IE BUS), multiprocessor communication function
Synchronous Serial Communication Unit (SSU)		1 channel
LIN Module		Hardware LIN: 1 (timer RA, UART0)
A/D Converter		10-bit resolution × 12 channels, includes sample and hold function, with sweep mode
Flash Memory		Programming and erasure voltage: VCC=2.7 to 5.5 V Programming and erasure endurance: 100 times (program ROM) Program security: ROM code protect, ID code check Debug functions: On-chip debug, on-board flash rewrite function
Operating Frequency/ Supply Voltage		f(XIN) = 20 MHz (VCC = 2.7 to 5.5 V)
Current Consumption		Typ. 7 mA (VCC = 5.0 V, f(XIN) = 20 MHz)
Operating Ambient Temperature		-40 to 85 degrees C (J version) -40 to 125 degrees C (K version)⁽¹⁾
Package		48-pin LQFP Package code: PLQP0048KB-A (previous code: 48P6Q-A)

Note:
1. Specify the K version if K version functions are to be used.