The C8051T321-GMR from Silicon Labs is an 8051-based 8-bit microcontroller Integrated Circuit from the C8051T32x series, rated 48 MIPS with 16 KB (16K x 8) OTP memory, in a 28-QFN (5x5) package.
The C8051T321-GM from Silicon Labs is an 8-bit 8051 C8051T32x microcontroller Integrated Circuit rated at 48 MIPS, with 16 KB (16K x 8) OTP memory in a 28-QFN (5x5) package.