The RTC31/52 is our all-time best price-performer. The RTC31 is a 3.5" x 3.5" real-time controller that uses an 8031 processor and is intended for OEM assembly-language applications. The RTC52 uses the same PC board but has a Micromint 80C52-BASIC processor instead of an 8031. With BASIC, the RTC52 is software compatible with our BCC52 series, as well as allowing for onboard program development using a common RS-232 terminal. The 80C52-BASIC processor can also be jumper-selected to function as an 80C31/80C32 processor.
The RTC31/52 was designed to provide a minimal configuration for cost-conscious applications. It can be greatly expanded to perform more extensive control and data-acquisition tasks while maintaining the same small 3.5" x 3.5" footprint by using a stacked-board expansion system. Additional analog and digital I/O boards are piggybacked on top of the processor board and secured with stand-offs.
Click here to download the RTC31/52 Datasheet.
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Processor: |
80C31/80C52 |
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Clock speed: |
11.05 MHz |
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Max Memory: |
64 KB |
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SRAM/EPROM: |
32 KB/32 KB |
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Digital I/O: |
12 bits* |
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Serial Ports: |
1 RS-232-485 |
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ADC (sample rate): |
0 |
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Timers: |
2 |
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External Interrupts: |
2 |
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Real-time Clock: |
Yes, SmartWatch socket (opt.) |
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Size: |
3.5" x 3.5" |
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Power (fully loaded): |
+5 V at 125 mA |
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Dev. Software: |
Optional |
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ROM Monitor: |
Optional/BASIC-52 |
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Industrial Temp. Available: |
Yes |
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*When using the 80C52, 8 bits are accessible directly from BASIC. The other 4 can be controlled using assembly language calls. |
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