P80C557E6EFB PDF 데이터시트 검색

INTEGRATED CIRCUITS P83C557E6, P80C557E6 Single-chip 8-bit microcontroller Product specification 1999 Mar 02 Philips Semiconductors Philips Semiconductors Product specification Single-chip 8-bit microcontroller P83C557E6, P80C557E6 1. FEATURES 80C51 central processing unit 48 K × 8 ROM, expandable externally to 64 Kbytes ROM Code protection 1536 × 8 RAM, expandable externally to 64 Kbytes Two standard 16-bit timer, counters An additional 16-bit timer, counter coupled to four capt