PCE84C487
Overview
CMOS 8-bit CPU (enhanced 8048 CPU) with 4 kbytes system ROM and 128 bytes system RAM One 8-bit timer/event counter (T1) and one 8-bit counter (T3) triggered by external input Three single level vectored interrupt sources: external (INTN), counter/timer and I2C-bus 2 directly testable inputs T0 and T1 On-chip oscillator clock frequency: 1 to 10 MHz On-chip Power-on-reset with low power detector The PCE84C486 has eleven quasi-bidirectional I/O lines, the PCE84C487 has twelve. The configuration of each I/O line individually selected by mask opti.
