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DS80C310-QCL Datasheet

  • DS80C310-QCL

  • High-Speed Micro

  • 23頁

  • DALLAS   DALLAS

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PRELIMINARY
DS80C310
High-Speed Micro
www.maxim-ic.com
FEATURES
摟
80C32-compatible
- 8051 pin- and instruction set-compatible
- Full duplex serial port
- Three 16-bit timer/counters
- 256 bytes scratchpad RAM
- Multiplexed address/data bus
- Addresses 64 kB ROM and 64 kB RAM
High-Speed Architecture
- 4 clocks/machine cycle (8051 = 12)
- Runs DC to 33 MHz clock rates
- Single-cycle instruction in 121 ns
- 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
Upwardly compatible with the DS80C320
Available in 40-pin PDIP, 44-pin PLCC, and
44-pin TQFP
PACKAGE OUTLINE
摟
摟
摟
摟
摟
DESCRIPTION
The DS80C310 is a fast 80C31/80C32-compatible microcontroller. It features a redesigned processor
core without wasted clock and memory cycles. As a result, it executes every 8051 instruction between 1.5
and 3 times faster than the original architecture for the same crystal speed. Typical applications will see a
speed improvement of 2.5 times using the same code and the same crystal. The DS80C310 offers a
Note:
Some revisions of this device may incorporate deviations from published specifications known as errata. Multiple
revisions of any device may be simultaneously available through various sales channels. For information about device errata,
click here:
http://www.maxim-ic.com/errata.
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