The S1C6x series is a microcontroller families introduced by Epson. It is a 4-bit architecture.[1] This Series includes S1C60[2] and S1C63[3] families. S1C60 is low end low power version. S1C63 is high end version. This family is used in many applications as it contains specialized peripherals such as LCD driver, dot-matrix driver, FSK demodulator, R/F converter ... etc.[4]
The S1C6x series is a CISC Harvard architecture with 12-bit instructions with an 8.192 word instruction space. It uses a 4-bit word for either a binary format or as a BCD digit and has 16 memory mapped registersinregister window together with two accumulators, two 12-bit pointers and a stack pointer for use in subroutines.
Most of the instructions operate on either two registers or a register and an immediate value, but the S1C6X series also has some memory-memory and memory-immediate instructions.
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