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RX24U Datasheet, PDF (1/131 Pages) Renesas Technology Corp – 32-bit RXv2 CPU core
Datasheet
RX24U Group
R01DS0278EJ0100
Renesas MCUs
Rev.1.00
Mar 31, 2017
80-MHz 32-bit RX MCUs, on-chip FPU, 153.6 DMIPS, power supply 5V,
12-bit ADC (equipped with 3-channel synchronous S/H circuits, double data registers, operating amplifiers,
comparator) 3 units, Simultaneous sampling up to ADC 5 channels, gain setting reference GND port, CAN,
80-MHz PWM (three-phase complementary output × 2 channels + single-phase complementary output × 4
channels or three-phase complementary × 3 channels + single-phase complementary × 1 channel)
Features
■ 32-bit RXv2 CPU core
• Max. operating frequency: 80 MHz
Capable of 153.6 DMIPS in operation at 80 MHz
• Enhanced DSP: 32-bit multiply-accumulate and 16-bit
multiply-subtract instructions supported
• Built-in FPU: 32-bit single-precision floating point
(compliant to IEEE754)
• Divider (fastest instruction execution takes two CPU clock
cycles)
• Fast interrupt
• CISC Harvard architecture with 5-stage pipeline
• Variable-length instructions, ultra-compact code
• On-chip debugging circuit
• Memory protection unit (MPU) supported
■ Low power design and architecture
• Operation from a single 2.7-V to 5.5-V supply
• Three low power consumption modes
■ On-chip code flash memory
• 512-/384-/256-Kbyte capacities
• On-board or off-board user programming
• For instructions and operands
■ On-chip data flash memory
• 8-Kbyte (Number of erase/write cycles: 1,000,000 (typ))
• BGO (Back Ground Operation)
■ On-chip SRAM, no wait states
• 32 Kbytes of SRAM
■ Data transfer functions
• DTC: Four transfer modes
■ Reset and supply management
• Seven types of reset, including the power-on reset (POR)
• Low voltage detection (LVD) with voltage settings
■ Clock functions
• Main clock oscillator frequency: 1 to 20 MHz
• External clock input frequency: Up to 20 MHz
• PLL circuit input: 4 MHz to 12.5 MHz
• On-chip low-speed oscillators, on-chip high-speed
oscillators, dedicated on-chip oscillator for the IWDT
• Clock frequency accuracy measurement circuit (CAC)
■ Independent watchdog timer
• 15-kHz on-chip oscillator produces a dedicated clock
signal to drive IWDT operation.
■ Useful functions for IEC60730 compliance
• Self-diagnostic and disconnection-detection assistance
functions for the A/D converter, clock frequency accuracy
measurement circuit, independent watchdog timer, RAM
test assistance functions using the DOC, etc.
■ MPC
• Multiple locations are selectable for I/O pins of peripheral
functions
R01DS0278EJ0100 Rev.1.00
Mar 31, 2017
PLQP0144KA-B 20 × 20 mm, 0.5 mm pitch
PLQP0100KB-B 14 × 14 mm, 0.5 mm pitch
■ Up to 9 communications channels
• CAN (compliant with ISO11898-1), incorporating 16
message boxes (1 channel)
• SCI with many useful functions (6 channels)
Asynchronous mode, clock synchronous mode, smart card
interface mode, simplified SPI, simplified I2C, and
extended serial mode.
• I2C bus interface: Transfer at up to 400 kbps, capable of
SMBus operation (1 channel)
• RSPI capable of high speed connection Transfer at up to 20
Mbps (1 channel)
■ Up to 25 extended-function timers
(Up to three-phase complementary PWM
3-channel simultaneous output)
• 16-bit MTU3: 80 MHz operation, input capture, output
compare, three-phase complementary PWM × 2 channels
output, CPU-efficient complementary PWM, phase
counting mode (nine channels)
• 16-bit GPT: 80 MHz operation, input capture, output
compare, PWM wave-form single-phase complementary ×
4 channels output or three-phase complementary ×
1 channel + single-phase complementary × 1 channel
output, comparator interlocking operation (Count
operation, PWM negate control) (4 channels)
• 8-bit TMRs (8 channels)
• 16-bit compare-match timers (4 channels)
■ 12-bit A/D converter: 22 channels in 3 units
• Incorporating sample-and-hold circuit 12 bits × 3 units
(unit 0: 5 channels, unit 1: 5 channels, unit 2: 12 channels)
• Sampling time can be set for each channel
• Group scan priority control mode (3 levels)
• Self-diagnostic function and analog input disconnection
detection assistance function (compliant to IEC60730)
• Input signal amplitude by the programmable gain amplifier
(4 channels)
• Gain setting reference GND port: 2 ports
• ADC: 3-channel simultaneous sample-and-hold circuit (3
shunt method), double data register (1 shunt method),
amplifiers (4 channels), comparator (4 channels)
■ 8-bit D/A converter: 2 channels
• This can be used as reference voltage for a comparator
■ Register write protection function can protect
values in important registers against
overwriting.
■ Up to 111 pins for general I/O ports
• 5-V tolerant, open drain, input pull-up, switching of
driving capacity
■ Operating temperature range
• −40 to +85°C
■ Applications
• General industrial and consumer equipment
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