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5962-02A0201VXC

更新时间： 2024-01-03 08:38:59

品牌	Logo	应用领域
爱特美尔 - ATMEL		控制器
页数	文件大小	规格书
67页	1014K
描述
Single Point to Point IEEE 1355 High Speed Controller

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5962-02A0201VXC 数据手册

TS80C51U2

TS83C51U2

TS87C51U2

Double UART 8-bit CMOS Microcontroller

1. Description

TS80C51U2 is high performance CMOS ROM, OTP The fully static design of the TS80C51U2 allows to

and EPROM versions of the 80C51 CMOS single chip reduce system power consumption by bringing the clock

8-bit microcontroller.

frequency down to any value, even DC, without loss of

data.

The TS80C51U2 retains all features of the 80C51 with

extended ROM/EPROM capacity (16 Kbytes), 256 bytes The TS80C51U2 has 2 software-selectable modes of

reduced activity for further reduction in power

consumption. In the idle mode the CPU is frozen while

the timers, the serial port and the interrupt system are still

operating. In the power-down mode the RAM is saved

and all other functions are inoperative.

of internal RAM, a 7-source , 4-level interrupt system,

an on-chip oscilator and three timer/counters.

In addition, the TS80C51U2 has a second UART,

enhanced functions on both UART, enhanced timer 2,

a hardware watchdog timer, a dual data pointer, a baud

rate generator and a X2 speed improvement mechanism.

2. Features

● 80C52 Compatible

● Asynchronous port reset

● Interrupt Structure with

•

8051 pin and instruction compatible

Four 8-bit I/O ports

•

7 Interrupt sources

4 level priority interrupt system

Three 16-bit timer/counters

256 bytes scratchpad RAM

● Full duplex Enhanced UARTs

•

Framing error detection

● High-Speed Architecture

Automatic address recognition

•

40 MHz @ 5V, 30MHz @ 3V

● Low EMI (inhibit ALE)

● Power Control modes

X2 Speed Improvement capability (6 clocks/

machine cycle)

30 MHz @ 5V, 20 MHz @ 3V (Equivalent to

60 MHz @ 5V, 40 MHz @ 3V)

•

Idle mode

Power-down mode

Power-off Flag

● Second UART

● Baud Rate Generator

● Dual Data Pointer

● Once mode (On-chip Emulation)

● Power supply: 4.5-5.5V, 2.7-5.5V

● On-chip ROM/EPROM (16K-bytes)

● Temperature ranges: Commercial (0 to 70^oC) and

● Programmable Clock Out and Up/Down Timer/

Industrial (-40 to 85^oC)

Counter 2

● Packages: PDIL40, PLCC44, VQFP44 1.4, CQPJ44

● Hardware Watchdog Timer (One-time enabled with

(window), CDIL40 (window)

Reset-Out)

3. The second UART

In this document, UART_0 will make reference to the The second UART (UART_1) can be seen as an alternate

first UART (present in all Atmel Wireless function of Port 1 (P1.2 or P1.6 for RXD1 and P1.3 or

Microcontrollers C51 derivatives) and UART_1 will P1.7 for TXD1) or can be connected to (pin6 or pin12)

make reference to the second UART, only present in and (pin28 or pin34) of 44-pin package (see Pin

the TS80C51U2 part.

Rev. D - 15 January, 2001

12 3 4 5 6 7...67

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