The R5F72166ADFP#V1 from Renesas Electronics America Inc is a 32-bit single-core SuperH SH7216 microcontroller from the SH2A-FPU series, running at 200 MHz with 768 KB (768K x 8) flash memory, in a 176-LFQFP (24x24) package.
The R5F72166ADFA#V1 from Renesas Electronics America Inc is an SH2A-FPU SuperH SH7216 32-bit single-core microcontroller Integrated Circuit with a 200MHz clock, 768KB (768K x 8) flash memory and a 176-LFQFP (20x20) package.