RX23T Datasheet, PDF (1/98 Pages) Renesas Technology Corp – 40-MHz 32-bit RX MCUs, built-in FPU, 65.6 DMIPS

Datasheet
RX23T Group
Renesas MCUs
R01DS0248EJ0110
Rev.1.10
Jan 13, 2016
40-MHz 32-bit RX MCUs, built-in FPU, 65.6 DMIPS,
12-bit ADC (equipped with three S/H circuits, double data registers, and comparator)
40MHz PWM (three-phase complementary output × 2ch)
Features
■ 32-bit RX CPU core
 Max. operating frequency: 40 MHz
Capable of 65.6 DMIPS in operation at 40 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, no wait states
 128-/64-Kbyte capacities
 On-board or off-board user programming
■ On-chip SRAM, no wait states
 12 Kbytes of SRAM
■ DMA
 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 oscillator, on-chip high-speed
oscillator, 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
PLQP0064KB-C 10 × 10 mm, 0.5 mm pitch
PLQP0052JA-B 10 × 10 mm, 0.65 mm pitch
PLQP0048KB-B 7 × 7 mm, 0.5 mm pitch
■ Up to 4 communications channels
 SCI with many useful functions (2 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 (one channel)
 RSPI capable of high speed connection (one channel)
■ Up to 12 extended-function timers
 16-bit MTU3: 40MHz operation, input capture, output
compare, three-phase complementary PWM output, CPU-
efficient complementary PWM, phase counting mode (six
channels)
 8-bit TMRs (4 channels),
 16-bit compare-match timers (4 channels)
■ 12-bit A/D converter: 10ch
 On-chip sample-and-hold circuit: 12bit × up to 3 channels
 Sampling time can be set for each channel
 Self-diagnostic function and analog input disconnection
detection assistance function (compliant to IEC60730)
 ADC: three sample-and-hold circuits, double data
registers, comparator (3 channels)
■ Register write protection function can protect
values in important registers against
overwriting.
■ Up to 50 pins for general I/O ports
 5-V tolerant, open drain, input pull-up
■ Operating temperature range
 40 to +85C
 40 to +105C
■ Applications
 General industrial and consumer equipment
R01DS0248EJ0110 Rev.1.10
Jan 13, 2016
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