Microchip PIC16C621A-20E/SO PIC Microcontroller, PIC, 1.75 kB OTP, 18-Pin SOIC

The Microchip microcontroller is 18 pin ROM/ EPROM based members of the versatile PICmicro® family of low cost, high performance, CMOS, fully static, 8 bit microcontrollers. The PICmicro microcontroller employ an advanced RISC architecture. This devices have enhanced core features, eight-level deep stack, and multiple internal and external interrupt sources. The separate instruction and data buses of the Harvard architecture allow a 14-bit wide instruction word with the separate 8 bit wide data.

Only 35 instructions to learn
Interrupt capability
16 special function hardware registers
8-Level deep hardware stack
Direct, indirect and relative addressing modes
40 MHz clock input
100 ns instruction cycle

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