20F07C is a 8-bit CPU contact card with a total of 128 kB FLASH memories ... . Introduction 20F07C is a 8-bit CPU contact card with a total of 128 kB FLASH memories, and ... supporting RSA, SHA1, DES, AES, etc.Compared with similar products in the world’s industry, 20F07C distinguishes ... Card, CA in Paid TV, Campus Card, City Card, etc. Features Performance high performance 8-bit CPU, compatible with 8051 ...