SH69P26
Overview
The SH69P26 is a single-chip 4-bit micro-controller. This device integrates a SH6610D CPU core, 6K words of OTPROM, 389 nibbles of RAM, two 8-bit timer/counter and one 16-bit timer/counter, comparator, two channel tone generators, on-chip oscillator clock circuitry, on-chip watchdog timer, low voltage reset function.