Datasheet > TS87C51U2-VIEB

TS87C51U2-VIEB

更新时间： 2024-11-07 23:37:55

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其他 - ETC		微控制器外围集成电路可编程只读存储器时钟
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67页	821K
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Microcontroller

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TS87C51U2-VIEB 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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与TS87C51U2-VIEB相关器件

型号	品牌	获取价格	描述	数据表
TS87C51U2-VIED	ETC	获取价格	Microcontroller
TS87C51U2-VIER	ETC	获取价格	Microcontroller
TS87C52	INTEL	获取价格	CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER
TS87C52-24	INTEL	获取价格	Microcontroller, 8-Bit, OTPROM, 8051 CPU, 24MHz, CMOS, PQFP44, QFP-44
TS87C52-3	INTEL	获取价格	Microcontroller, 8-Bit, OTPROM, 24MHz, CMOS, PQFP44, QFP-44
TS87C52-33	INTEL	获取价格	Microcontroller, 8-Bit, OTPROM, 8051 CPU, 33MHz, CMOS, PQFP44, QFP-44
TS87C52-EA	ATMEL	获取价格	Microcontroller, 8-Bit, OTPROM, CMOS, PDIP40, PLASTIC, DIP-40
TS87C52-EB	ATMEL	获取价格	Microcontroller, 8-Bit, OTPROM, CMOS, PQCC44, PLASTIC, LCC-44
TS87C52-LCC	ATMEL	获取价格	Microcontroller, 8-Bit, OTPROM, 8051 CPU, 30MHz, CMOS, PQFP44, PLASTIC, QFP-44
TS87C52-LIB	ATMEL	获取价格	Microcontroller, 8-Bit, OTPROM, 8051 CPU, 30MHz, CMOS, PQCC44, PLASTIC, LCC-44

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