Datasheet > DS80C310_09

DS80C310_09

更新时间： 2024-11-05 09:56:47

品牌	Logo	应用领域
达拉斯 - DALLAS		微控制器
页数	文件大小	规格书
22页	365K
描述
High-Speed Microcontroller

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DS80C310_09 数据手册

19-4859; Rev 8/09

DS80C310

High-Speed Microcontroller

www.maxim-ic.com

GENERAL DESCRIPTION

PIN CONFIGURATIONS

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 1.5x

and 3x faster than the original architecture for the

same crystal speed. Typical applications have a speed

improvement of 2.5x using the same code and the

same crystal. The DS80C310 offers a 25MHz

maximum crystal speed, resulting in apparent

execution speeds of 62.5MHz (approximately 2.5x).

TOP VIEW

The DS80C310 is pin compatible with the standard

80C32 and includes standard resources such as three

timer/counters, 256 bytes of RAM, and a serial port. It

also provides dual data pointers (DPTRs) to speed

block data memory moves. It also can adjust the speed

of MOVX data memory access between two and nine

machine cycles for flexibility in selecting external

memory and peripherals. The DS80C310 offers

upward compatibility with the DS80C320.

FEATURES

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 64kB ROM and 64kB RAM

High-Speed Architecture

4 Clocks/Machine Cycle (8051 = 12)

Runs DC to 25MHz Clock Rates

Single-Cycle Instruction in 160ns

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 Plastic DIP, 44-Pin PLCC,

and 44-Pin TQFP

Note: Designers must have two documents to fully use all the features

of this device: this data sheet and the High-Speed Microcontroller

User’s Guide, available on our website at www.maxim-

ic.com/microcontrollers. Data sheets contain pin descriptions,

feature overviews, and electrical specifications, whereas the user’s

guide contains detailed information about device features and

operation.

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: www.maxim-ic.com/errata.

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