The CY9BF306NBPMC-G-UNE1 from Infineon Technologies is an ARM Cortex-M3 FM3 MB9B300B microcontroller Integrated Circuit with 32-Bit architecture, 80 MHz, 512KB (512K x 8) flash, in a 100-LQFP (14x14) package.
The CY9BF305RBPMC-G-JNE2 from Infineon Technologies is a 32-bit ARM® Cortex®-M3 FM3 MB9B300B microcontroller Integrated Circuit with a single core at 80 MHz and 384 KB (384K x 8) flash, in a 120-LQFP (16x16) package.