Description
The R8C/LA3A is based on the R8C CPU Core. Maximum operating frequency is 20 MHz. A Flash Memory Version is available. Internal Flash Memory is programmable on a single power source
- Achieves industry top-class ultralow power consumption
- Less than half the operating power consumption and standby power consumption compared to previous Renesas products
- Built-in functions conducive to lowering system power consumption
- o Flash memory erasing/writing/reading at 1.8 V
- o Full calendar RTC with automatic correction function
- 8 MHz operation at 1.8 V supply voltage, and 20 MHz operation from 2.7 V available
- 8-bit Multifunction Timer with 8-bit prescaler (Timer RB0 and RB1): 2
- 16-bit Input Capture/Output Compare Timer (Timer RC): 1
- 8-bit Real-Time Clock Timer with compare match function (Timer RH): 1
- 16-bit Multifunction Timer (Timer RJ0 and RJ1): 2
- UART/Clock Synchronous Serial Interface: 1 channel
- I2C-bus Interface/Synchronous Serial Communication Unit: 1 channel
- 10-bit A/D Converter: 5 channels
- Temperature Sensor
- Comparator: 1
- LCD Drive Control Circuit
- o Bias: 1/2, 1/3
- o Duty: Static, 1/2, 1/3, 1/4
- o Common output: Max. 4 pins
- o Segment output: Max. 11 pins
- Watchdog Timer
- Clock Generating Circuits: XIN Clock Oscillation Circuit, On-chip Oscillator (High/Low Speed), XCIN Clock Oscillation Circuit
- Low Power Consumption Modes
- o Standard Operating Mode (Clock (High/Low speed), On-chip Oscillator (High/Low speed))
- o Wait Mode, Stop mode, Power-Off Mode
- Oscillation Stop Detection
- Voltage Detection Circuit
- Power-on Reset Circuit
- I/O Ports: 26 (incl. LED drive ports)
- External Interrupt Pins: 13
- 8KB ROM
- Operating ambient temperature -20 to 85°C
