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
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              Industrial Weighing Scale
 Accurate, scalable industrial scales for high-precision or portable low-power applications. 
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              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. 
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              Torque Control System
 Precision torque control ensures product quality using MCUs with high-precision AFE and reliable sensors. 
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              Force Sensor System
 Force sensor system for accurate detection and calculations of strain gauge measurements. 
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              Wireless Multi-Channel Isolated Data Logger
 The wireless multi-channel isolated data logger offers multi-channel measurement for industrial networks and Wi-Fi. 
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              High-Precision Peltier Cooler System
 Precision-driven Peltier cooling system with real-time control, reduced BOM, and seamless industrial integration. 
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              Industrial Sensor Network
 Compact industrial sensor network system with flexible interfaces and real-time monitoring. 
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              Industrial Precision Temperature Control
 This system is ideal for industrial control processes providing accurate temperature measurements with a minimal number of components. 
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Applied Filters:
Filters
Software & Tools
Sample Code
Simulation Models
This video introduces the product features of RX-E series for industrial sensors.
Chapter's Title
00:00 Opening
00:10 Lineup
00:36 Target Applications
00:43 Three Key Features of RX-E Series: One-chip solution, High precision analog, Tools & Solutions
02:30 Closing
Related Resources
Renesas shows a Peltier cooler control demonstration using the high-performance, 32-bit RX23E-A Group microcontrollers.