Renesas Electronics R5F11Y68ASM#30, 8bit RL78 Microcontroller, RL78/G1N, 20MHz, 8 kB Flash, 20-Pin TSSOP

The Renesas Electronics RL78/G1N microcontroller has a small pin-count 20-pin package, it is an 8-bit general-purpose microcontroller equipped with large current output terminals for driving LEDs. It allows direct drive of 8-segment 6-digit high brightness LEDs. It is suitable for small appliances, simple lighting fixtures and LED displays for portable batteries, etc.

CISC architecture with 3-stage pipeline
Minimum instruction execution time: Can be changed from high speed (0.05 μs: @ 20 MHz operation with high-speed on-chip oscillator) to low speed (1.0 μs: @ 1 MHz operation)
Address space: 1 MB
General-purpose registers: 8-bit register x 8
On-chip RAM: 512 B to 1 KB