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DS80C310MCL - DS80C310 High-Speed/Low-Power Microcontroller Technical Data
| Photograph |
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| Features |
- Backward 80C32-compatible and Forward DS80C320-compatible
- 8051 pin- and instruction set-compatible:
- Three 16-bit timer/counters
- Full duplex serial port
- 256 bytes scratchpad RAM
- Multiplexed address/data bus
- Addresses 64kB ROM and 64kB RAM
- High-speed architecture:
- 4 clocks/machine cycle (8051 = 12)
- Runs DC to 33MHz clock rates
- Single-cycle instruction in 121ns
- Dual data pointer
- Optional variable length MOVX to access fast/slow RAM /peripherals
- 10 total interrupt sources with 6 external
- Internal power-on reset circuit
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| Pin Layout |
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| Pin Description |
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Pin Number
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Description
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1 - 8
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Port 1 - I/O
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9
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RST - Input
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10 - 17
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Port 3 - I/O
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18
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XTAL1 - Crystal
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19
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XTAL2 - Crystal
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20
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GND - Ground
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21 - 28
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Port 2 - Output
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29
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PSEN - Output
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30
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ALE - Output
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32 - 39
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Port 0 - I/O
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40
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Vcc - +5V Power Supply
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| Dimensional Drawing |
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| Technical Data |
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Datasheet
Application Notes
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Integrated Circuits