LD80C51BH PDF File ( Datasheet )

87C51, 80C51BH, 80C31BH CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER Commercial, Express 87C51, 80C51BH, 80C51BHP, 80C31BH *See Table 1 for Proliferation Options - - - High Performance CHMOS EPROM 24 MH- Operation Improved Quick-Pulse Programming Algorithm 3-Level Program Memory Lock Boolean Processor 128-Byte Data RAM 32 Programmable I, O Lines Two 16-Bit Timer, Counters Extended Temperature Range (- 40°C to + 85 ° C) - - - 5 Interrupt Sources Programmable Serial Port TTL- and CMOS-Compatible L