The PIC16F628 are 18-Pin FLASH-based members ofthe versatile PIC16CXX family of low-cost,high-performance, CMOS, fully-static, 8-bitmicrocontrollers.All PIC microcontrollers employ an advanced RISC architecture.The PIC16F628 have enhancedcore features, an 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. The two-stage instruction pipelineallows all instructions to execute in a single cycle,except for program branches (which require twocycles). A total of 35 instructions (reduced instructionset) are available. Additionally, a large register set givessome of the architectural innovations used to achieve avery high performance.

Features

• Power-on Reset (POR)
• Power-up Timer (PWRT) and Oscillator Start-upTimer (OST)
• Brown-out Detect (BOD)
• Watchdog Timer (WDT) with its own on-chip RCoscillator for reliable operation
• Multiplexed MCLR-pin
• Programmable weak pull-ups on PORTB
• Programmable code protection
• Low voltage programming