The R5F102AAASP is a 16-bit renesas microcontroller manufactured by Renesas Electronics Corporation. It belongs to the RL78/G12 processor series, which is known for its ultra-low power consumption and high efficiency in small embedded systems.
Ultra-low power consumption technology
VDD = single power supply voltage of 1.8 to 5.5 V which
can operate at a low voltage
HALT mode
STOP mode
SNOOZE mode
RL78 CPU core
CISC architecture with 3-stage pipeline
Minimum instruction execution time: Can be changed
from high speed (0.04167 s: @ 24 MHz operation with
high-speed on-chip oscillator) to ultra-low speed (1 s:
@ 1 MHz operation)
Address space: 1 MB
General-purpose registers: (8-bit register x 8) x 4 banks
On-chip RAM: 256 B to 2 KB
Code flash memory
Code flash memory: 2 to 16 KB
Block size: 1 KB
Prohibition of block erase and rewriting (security
function)
On-chip debug function
Self-programming (with flash shield window function)
Data flash memory Note2
Data flash memory: 2 KB
Back ground operation (BGO): Instructions are
executed from the program memory while rewriting the
data flash memory.
Number of rewrites: 1,000,000 times (TYP.)
Voltage of rewrites: VDD = 1.8 to 5.5 V
High-speed on-chip oscillator
Select from 24 MHz, 16 MHz, 12 MHz, 8 MHz, 6 MHz,
4 MHz, 3 MHz, 2 MHz, and 1 MHz
High accuracy: +/- 1.0 % (VDD = 1.8 to 5.5 V, TA = -20
to +85 °C)
