FEELING TECHNOLOGY FM8PB53B OTP-Based 8-Bit Microcontroller Devices Included in this Data Sheet:  FM8PB53B : OTP device FEATURES  Only 42 single word instructions  All instructions are single cycle except for program branches which are two-cycle  13-bit wide instructions  All OTP area GOTO instruction  All OTP area subroutine CALL instruction  8-bit wide data path  5-level deep hardware stack  Operating speed: DC-20 MHz clock input DC-100 ns instruction cycle Device Pins # I/O # OTP (Word) RAM (Byte) FM8PB53B 14 12 1K 49  Direct, indirect addressing modes for data accessing  8-bit real time clock/counter (Timer0) with 8-bit programmable prescaler  Internal Power-o...

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