The R5F211B4SP#U0 is a 16-bit Single-chip Microcomputer fabricated using the high-performance silicon gate CMOS process, embedding the R8C/ Tiny Series CPU core. It implements sophisticated instructions for a high level of instruction efficiency. With 1MB of address space, they are capable of executing instructions at high speed. Furthermore, the R8C/1B Group has on-chip data flash ROM (1kB x 2 blocks).
- 89 Fundamental instructions
- Minimum instruction execution time - 50ns (f(XIN) = 20MHz, VCC = 3 to 5.5V)
- Minimum instruction execution time - 100ns (f(XIN) = 10MHz, VCC = 2.7 to 5.5V)
- Single-chip operating mode
- 4 Pins LED drive ports
- Clock synchronous serial I/O
- UART interface
- I2C Bus interface
- Clock synchronous serial I/O with chip select (SSU)
- 4-channel 10-bit ADC
- Watchdog timer
- Interrupts - Internal 11 sources, external 4 sources, software 4 sources, priority levels 7 levels
- 2 x Clock generation circuits
- On-chip voltage detection circuit
- On-chip power-on reset circuit
- Main clock oscillation stop detection function
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