Features
- 32MHz RXv2 core (5.05 CoreMark/MHz*), DSP/FPU for digital signal processing
- *Typical for RXv2 core
- Operating temperature: -40°C to 85°C or -40°C to 105°C
- Large-capacity memory: 256KB code flash, 32KB SRAM
- 8KB data flash that can store data like an EEPROM
- 6mm square 40-pin (HWQFN) or 7mm square 48-pin (LFQFP) small package lineup
- Up to 20 general-purpose I/O ports
- CAN (ISO 11898-1 compliant, up to 1Mbps transfer)
- Various other communication interfaces (SCI, IIC, RSPI, etc.)
- Analog front-end
- 24-bit delta-sigma (ΔΣ) A/D converters: Up to 23-bit effective resolution, programmable data rate 7.6sps to 15.6ksps
- Dual 24-bit ΔΣ A/D converters (R5F523ExAxxx)
- Single 24-bit ΔΣ A/D converter (R5F523ExSxxx)
- PGA: Rail-to-rail analog input, gain 1 to 128, offset drift 10 nV/°C, gain drift 1 ppm/°C
- Voltage reference: low drift 10ppm/°C with good temperature stability
- Excitation current source: Matched programmable current source
- 24-bit delta-sigma (ΔΣ) A/D converters: Up to 23-bit effective resolution, programmable data rate 7.6sps to 15.6ksps
Description
The RX23E-A group microcontrollers are equipped with an analog front-end that can measure temperature, pressure, flow, and weight with less than 0.1% precision without calibration, making it ideal for high-precision sensing, test and measurement equipment. The CPU is equipped with an RXv2 core that excels in DSP/FPU operations, enabling high-accuracy measurement, control and communication with a single chip.
Parameters
| Attributes | Value |
|---|---|
| Main CPU | RXv2 |
| Program Memory (KB) | 128, 256 |
| RAM (KB) | 16, 32 |
| Carrier Type | Full Carton (Tray), Tape & Reel, Tray |
| Supply Voltage (V) | 1.8 - 5.5 |
| I/O Ports | 17, 21 |
| DRAM I/F | No |
| Temp. Range (°C) | Ta = -40 to +85, Ta = -40 to +105 |
| Operating Freq (Max) (MHz) | 32 |
| Ethernet speed | No |
| Ethernet (ch) | 0 |
| EtherCat (ch) (#) | 0 |
| USB FS (host ch/device ch) | ( 0 / 0 ) |
| USB HS (host ch/device ch) | ( 0 / 0 ) |
| USB SS (host ch/device ch) | ( 0 / 0 ) |
| SCI or UART (ch) | 3, 4 |
| SPI (ch) | 4, 5 |
| I2C (#) | 4, 5 |
| CAN (ch) | 1 |
| CAN-FD (ch) | 0 |
| Wireless | No |
| SDHI (ch) | 0 |
| High Resolution Output Timer | No |
| PWM Output (pin#) | 16 |
| 32-Bit Timer (ch) | 0 |
| 16-Bit Timer (ch) (#) | 9 |
| 8-Bit Timer (ch) | 4 |
| Standby operable timer | Yes |
| 12-Bit A/D Converter (ch) | 4, 6 |
| 24-Bit Sigma-Delta A/D Converter (ch) | 8, 12 |
| 16-Bit D/A Converter (ch) | 0 |
| 12-Bit D/A Converter (ch) | 0 |
| 8-Bit D/A Converter (ch) | 0 |
| Capacitive Touch Sensing Unit (ch) | 0 |
| Segment LCD Controller | No |
| Security & Encryption | Unique ID |
Application Block Diagrams
 | Industrial Weighing Scale Accurate, scalable industrial scales for high-precision or portable low-power applications. |
 | Peltier Cooling and Heating Vests Air-conditioned work clothes with built-in fans and a Peltier cooler offer precise temperature control for challenging work environments. |
 | Torque Control System Precision torque control ensures product quality using MCUs with high-precision AFE and reliable sensors. |
 | Force Sensor System Force sensor system for accurate detection and calculations of strain gauge measurements. |
 | Wireless Multi-Channel Isolated Data Logger The wireless multi-channel isolated data logger offers multi-channel measurement for industrial networks and Wi-Fi. |
 | High-Precision Peltier Cooler System Precision-driven Peltier cooling system with real-time control, reduced BOM, and seamless industrial integration. |
 | Industrial Sensor Network Compact industrial sensor network system with flexible interfaces and real-time monitoring. |
 | Industrial Precision Temperature Control This system is ideal for industrial control processes providing accurate temperature measurements with a minimal number of components. |