T89C51RC2-RLTCL

更新时间： 2024-09-29 22:42:31

品牌	Logo	应用领域
爱特美尔 - ATMEL		微控制器
页数	文件大小	规格书
9页	244K
描述
8-bit Microcontroller with 16 Kbytes/ 32 Kbytes FLASH

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中文翻译

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数据手册

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T89C51RC2-RLTCL 数据手册

T89C51RB2/RC2

8-bit Microcontroller with 16 Kbytes/ 32 Kbytes FLASH

1. Description

T89C51RB2/RC2 is a high performance FLASH version Pinout is the standard 40/44 pins of the C52.

of the 80C51 8-bit microcontrollers. It contains a 16K

The fully static design of the T89C51RB2/RC2 allows

or 32Kbytes Flash memory block for program and data.

to reduce system power consumption by bringing the

The 16 Kbytes or 32 Kbytes FLASH memory can be clock frequency down to any value, even DC, without

programmed either in parallel mode or in serial mode loss of data.

with the ISP capability or with software. The

The T89C51RB2/RC2 has 2 software-selectable modes

programming voltage is internally generated from the

of reduced activity and 8 bit clock prescaler for further

standard V pin.

reduction in power consumption. In the Idle mode the

The T89C51RB2/RC2 retains all features of the 80C52 CPU is frozen while the peripherals and the interrupt

with 256 bytes of internal RAM, a 7-source 4-level system are still operating. In the power-down mode the

interrupt controller and three timer/counters.

RAM is saved and all other functions are inoperative.

In addition, the T89C51RB2/RC2 has a Programmable The added features of the T89C51RB2/RC2 make it more

powerful for applications that need

pulse width

Counter Array, an XRAM of 1024 byte, a Hardware

Watchdog Timer, a Keyboard Interface, a SPI Interface,

modulation, high speed I/O and counting capabilities

such as alarms, motor control, corded phones, smart card

readers.

more versatile serial channel that facilitates

multiprocessor communication (EUART) and a speed

improvement mechanism (X2 mode).

2. Features

• 80C52 Compatible

•

8051 pin and instruction compatible

Four 8-bit I/O ports

Three 16-bit timer/counters

256 bytes scratch pad RAM

10 Interrupt sources with 4 priority levels

Dual Data Pointer

• On-chip 1024 bytes expanded RAM (XRAM)

•

Software selectable size (0, 256, 512, 768, 1024

bytes)

•

256 bytes selected at reset for TS87C51RB2/RC2

compatibility

• Keyboard interrupt interface on port P1

• SPI Interface (Master / Slave Mode)

• 8-bit clock prescaler

• Variable length MOVX for slow RAM/peripherals

• ISP (In System Programming) using standard V

• Improved X2 mode with independant selection for

power supply.

CPU and each peripheral

• Boot ROM contains low level FLASH programming

• Programmable Counter Array 5 Channels with:

routines and a default serial loader

•

High Speed Output,

Compare / Capture,

Pulse Width Modulator,

Watchdog Timer Capabilities

• High-Speed Architecture

•

40 MHz in standard mode

•

20 MHz in X2 mode (6 clocks/machine cycle)

• 16K/32K bytes on-chip FLASH program / data

Memory

• Asynchronous port reset

•

Byte and page (128 bytes) erase and write

100k write cycles

• Full duplex Enhanced UART

• Dedicated Baud Rate Generator for UART

• Low EMI (inhibit ALE)

Rev. B - 30-Mar-01

Preliminary

12 3 4 5 6 7...9

中文翻译

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与T89C51RC2-RLTCL相关器件

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T89C51RC2-RLTCM	ATMEL	获取价格	8-bit Microcontroller with 16 Kbytes/ 32 Kbytes FLASH
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T89C51RC2-RLTIM	ATMEL	获取价格	8-bit Microcontroller with 16 Kbytes/ 32 Kbytes FLASH
T89C51RC2-RLWCL	ATMEL	获取价格	8-bit Microcontroller with 16 Kbytes/ 32 Kbytes FLASH
T89C51RC2-RLWCM	ATMEL	获取价格	8-bit Microcontroller with 16 Kbytes/ 32 Kbytes FLASH
T89C51RC2-RLWIL	ATMEL	获取价格	8-bit Microcontroller with 16 Kbytes/ 32 Kbytes FLASH
T89C51RC2-RLWIM	ATMEL	获取价格	8-bit Microcontroller with 16 Kbytes/ 32 Kbytes FLASH
T89C51RC2-SLBCL	ATMEL	获取价格	8-bit Microcontroller with 16 Kbytes/ 32 Kbytes FLASH
T89C51RC2-SLBCM	ATMEL	获取价格	8-bit Microcontroller with 16 Kbytes/ 32 Kbytes FLASH
T89C51RC2-SLBIL	ATMEL	获取价格	8-bit Microcontroller with 16 Kbytes/ 32 Kbytes FLASH

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