P80C51BH
87C51/80C51BH/80C31BH CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER mercial/Express
87C51/80C51BH/80C51BHP/80C31BH
- See Table 1 for Proliferation Options
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- High Performance CHMOS EPROM 24 MHz 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)
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- 5 Interrupt Sources Programmable Serial Port TTL- and CMOS-patible Logic Levels 64K External Program Memory Space 64K External Data Memory Space ONCE Mode Facilitates System Testing Power Control Modes
- Idle
- Power Down
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MEMORY ORGANIZATION
PROGRAM MEMORY: Up to 4 Kbytes of the program memory can reside on-chip (except 80C31BH). In addition the device can address up to 64K of program memory external to the chip. DATA MEMORY: This microcontroller has a 128 x 8 on-chip RAM. In addition it can address up to 64 Kbytes of external data memory. The Intel...
