N80C54 Description
.. 8XC52 54 58 CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER mercial Express 87C52 80C52 80C32 87C54 80C54 87C58 80C58 See Table 1 for Proliferation Options Y High Performance CHMOS EPROM ROM CPU 12 24 33 MHz Operations Three 16-Bit Timer Counters Programmable.