T89C51AC2-RLTIM Datasheet

IC型號：
T89C51AC2-RLTIM
PDF描述：
Enhanced 8-bit Microcontroller with 32 KB Flash Memory
文件大?。?/label>
1266.76KB
PDF頁數(shù)：
117頁
芯片廠家：
ATMEL

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Features

鈥?/div>

80C51 Core Architecture

256 Bytes of On-chip RAM

1 KB of On-chip XRAM

32 KB of On-chip Flash Memory

鈥?Data Retention: 10 Years at 85擄C

Read/Write Cycle: 10K

2 KB of On-chip Flash for Bootloader

2 KB of On-chip EEPROM

Read/Write Cycle: 100K

14-sources 4-level Interrupts

Three 16-bit Timers/Counters

Full Duplex UART Compatible 80C51

Maximum Crystal Frequency 40 MHz, in X2 Mode, 20 MHz (CPU Core, 20 MHz)

Five Ports: 32 + 2 Digital I/O Lines

Five-channel 16-bit PCA with:

鈥?PWM (8-bit)

鈥?High-speed Output

鈥?Timer and Edge Capture

Double Data Pointer

21-bit Watchdog Timer (7 Programmable Bits)

10-bit Resolution Analog to Digital Converter (ADC) with 8 Multiplexed Inputs

On-chip Emulation Logic (Enhanced Hook System)

Power Saving Modes:

鈥?Idle Mode

鈥?Power-down Mode

Power Supply: 3V to 5.5V

Temperature Range: Industrial (-40擄 to +85擄C)

Packages: VQFP44, PLCC44

Enhanced 8-bit

Microcontroller

with 32 KB Flash

Memory

鈥?/div>

T89C51AC2

Description

The T89C51AC2 is a high performance Flash version of the 80C51 single chip 8-bit

microcontrollers. It contains a 32 KB Flash memory block for program and data.

The 32 KB Flash memory can be programmed either in parallel mode or in serial

mode with the ISP capability or with software. The programming voltage is internally

generated from the standard VCC pin.

The T89C51AC2 retains all features of the 80C51 with 256 bytes of internal RAM, a 7-

source 4-level interrupt controller and three timer/counters. In addition, the

T89C51AC2 has a 10-bit A/D converter, a 2 KB Boot Flash memory, 2 KB EEPROM

for data, a Programmable Counter Array, an XRAM of 1024 bytes, a Hardware Watch-

Dog Timer, and a more versatile serial channel that facilitates multiprocessor

communication (EUART). The fully static design of the T89C51AC2 reduces system

power consumption by bringing the clock frequency down to any value, even DC,

without loss of data.

The T89C51AC2 has two software-selectable modes of reduced activity and an 8-bit

clock prescaler for further reduction in power consumption. In the idle mode the CPU

is frozen while the peripherals and the interrupt system are still operating. In the

Power-down mode the RAM is saved and all other functions are inoperative.

The added features of the T89C51AC2 make it more powerful for applications that

need A/D conversion, pulse width modulation, high speed I/O and counting capabili-

ties such as industrial control, consumer goods, alarms, motor control, among others.

While remaining fully compatible with the 80C52, the T8C51AC2 offers a superset of

this standard microcontroller. In X2 mode, a maximum external clock rate of 20 MHz

reaches a 300 ns cycle time.

Rev. 4127D鈥?051鈥?2/03

標(biāo)準(zhǔn)包裝
160
類別
集成電路 (IC)
家庭
嵌入式 - 微控制器，
系列
89C
核心處理器
8051
芯體尺寸
8-位
速度
40MHz
連通性
UART/USART
外圍設(shè)備
POR，PWM，WDT
輸入/輸出數(shù)
34
程序存儲器容量
32KB（32K x 8）
程序存儲器類型
閃存
EEPROM 大小
2K x 8
RAM 容量
1.25K x 8
電壓 - 電源 (Vcc/Vdd)
3 V ~ 5.5 V
數(shù)據(jù)轉(zhuǎn)換器
A/D 8x10b
振蕩器型
外部
工作溫度
-40°C ~ 85°C
封裝/外殼
44-LQFP
包裝
托盤

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