Datasheet > T83C5111ZZZ-ICUCV

T83C5111ZZZ-ICUCV

更新时间： 2025-03-15 08:54:07

品牌	Logo	应用领域
爱特美尔 - ATMEL		微控制器光电二极管
页数	文件大小	规格书
84页	941K
描述
Microcontroller, 8-Bit, MROM, 66MHz, CMOS, PDSO24, SSOP-24

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T80C5111

Low-pin-count 8-bit microcontroller with A/D converter

1. Description

The T80C5111 is a high performance ROM/OTP version the same CPU power at a divided by two oscillator

of the 80C51 8-bit microcontroller in Low Pin Count frequency. The prescaler allows to decrease CPU and

package.

peripherals clock frequency.

The T80C5111 retains all the features of the standard The fully static design of the T80C5111 allows to reduce

80C51 with 4 Kbytes ROM/OTP program memory, 256 system power consumption by bringing the clock

bytes of internal RAM, a 8-source , 4-level interrupt frequency down to any value, even DC, without loss of

system, an on-chip oscillator and two timer/counters.

data.

The T80C5111 is dedicated for analog interfacing The T80C5111 has 3 software-selectable modes of

applications. For this, it has an 10-bit, 8 channels A/D reduced activity for further reduction in power

converter and a five channels Programmable Counter consumption. In the idle mode the CPU is frozen while

Array.

the peripherals are still operating. In the quiet mode, the

A/D converter only is operating. In the power-down

mode the RAM is saved and all other functions are

inoperative. Two oscillators source, crystal and RC,

provide a versatile power management.

In addition, the T80C5111 has a Hardware Watchdog

Timer with its own low power oscillator, a versatile

serial

channel

that

facilitates

multiprocessor

communication (EUART) with an independent baud rate

generator, a SPI serial bus controller and a X2 speed The T80C5111 is proposed in low pin count packages.

improvement mechanism. The X2 feature allows to keep Port 0 and Port 2 (address / data busses) are not available .

2. Features

•

80C51 Compatible

•

Dual system clock

•

Three I/O ports

•

Crystal or ceramic oscillator with hardware set

up (32 KHz or 33/40 MHz)

Two 16-bit timer/counters

256 bytes RAM

•

Internal RC oscillator (12 MHz)

Programmable prescaler

•

4 Kbytes ROM/OTP program memory with 64 bytes

encryption array and 3 security levels.

Active oscillator during reset defined by hardware

set up

High-Speed Architecture

•

Timer 0 subclock mode for Real Time Clock.

•

33MHz @ 5V (66 MHz equivalent)

20MHz @ 3V (40 MHz equivalent)

•

Programmable counter array with High speed output,

Compare / Capture, Pulse Width Modulation and

Watchdog timer capabilities

X2 Speed Improvement capability (6 clocks/

machine cycle)

Interrupt Structure with:

•

10-bit, 8 channels A/D converter

•

8 Interrupt sources,

Voltage reference for A/D & external analog

4 interrupt priority levels

Hardware Watchdog Timer with integrated low

power oscillator (20µA).

•

Power Control modes:

•

Idle mode

•

Programmable I/O mode: standard C51, input only,

push-pull, open drain.

Power-down mode

Power-off Flag, Power fail detect, Power on Reset

Asynchronous port reset, Power On Reset, Power

fail Detect

•

Power supply: 2.7 to 5.5V

Temperature ranges: Commercial (0 to 70 C) and

Industrial (-40 to 85 C)

•

Full duplex Enhanced UART with baud rate generator

SPI, master/slave mode

Rev. B - November 10, 2000

Preliminary

12 3 4 5 6 7...84

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