Microchip’s 14-Pin 16F688 8‑Bit Proces­sor. 4K of pro­gram space and 12 I/O lines. 8 chan­nel Ana­log to Dig­i­tal Con­vert­er! Runs up to 20MHz with exter­nal crys­tal or up to 8MHz with the inter­nal RC oscil­la­tor. Pack­age can be pro­grammed in cir­cuit.DOCUMENTS16F688 DatasheetPro­gram­ming PICs using Lin­ux