Features
Analog Front End Features
- 24-bit delta-sigma A/D converters: Up to 23-bit effective resolution, programmable data rate 7.6sps to 15.6ksps
- Dual 24-bit delta-sigma A/D converters (R5F523ExAxxx)
- Single 24-bit delta sigma 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
MCU Features
- CPU: 32-bit RXv2 (32MHz), DSP/FPU for digital signal processing
- Interface: SPI x 1ch, UART x 4ch, I2C x 1 ch, CAN x 1ch
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) | - |
| 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 |
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