Path: OKDatasheet > Semiconductor Datasheet > Temic Datasheet > TSC80C51TXXX-L16MD/883
TSC80C51TXXX-L16MD/883 manual: "CMOS single-chip 8 bit microcontroller, 128 bytes of RAM, 32 I/O lines, 16 bit timers, (XXX=secret tag version), 16 MHz, low power"