- Product Introduction
Product Attributes
|
TYPE |
DESCRIPTION |
|---|---|
|
Category |
Integrated Circuits (ICs) Embedded Microcontrollers |
|
Mfr |
Microchip Technology |
|
Series |
89C |
|
Part Status |
Active |
|
Core Processor |
8051 |
|
Core Size |
8-Bit |
|
Speed |
24MHz |
|
Connectivity |
UART/USART |
|
Peripherals |
Brown-out Detect/Reset, LED, POR |
|
Number of I/O |
15 |
|
Program Memory Size |
4KB (4K x 8) |
|
Program Memory Type |
FLASH |
|
EEPROM Size |
- |
|
RAM Size |
128 x 8 |
|
Voltage - Supply (Vcc/Vdd) |
4V ~ 6V |
|
Data Converters |
- |
|
Oscillator Type |
Internal |
|
Operating Temperature |
-40°C ~ 85°C (TA) |
|
Mounting Type |
Surface Mount |
|
Supplier Device Package |
20-SOIC |
|
Package / Case |
20-SOIC (0.295", 7.50mm Width) |
|
Base Product Number |
AT89C4051 |
General description
The AT89C4051 is a low-voltage, high-performance CMOS 8-bit microcontroller with4K bytes of Flash programmable and erasable read-only memory. The device is manufactured using Atmel's high-density nonvolatile memory technology and iscompatible with the industry-standard MCS-51 instruction set. By combining a versatile 8-bit CPU with Flash on a monolithic chip, the Atmel AT89C4051 is a powerfulmicrocontroller which provides a highly-flexible and cost-effective solution to manyembedded control applications.The AT89C4051 provides the following standard features: 4K bytes of Flash,128 bytes of RAM, 15 I/O lines, two 16-bit timer/counters, a five-vector, two-level interrupt architecture, a full duplex serial port, a precision analog comparator, on-chiposcillator and clock circuitry. In addition, the AT89C4051 is designed with static logicfor operation down to zero frequency and supports two software-selectable powersaving modes. The Idle Mode stops the CPU while allowing the RAM, timer/counters,serial port and interrupt system to continue functioning. The power-down mode savesthe RAM contents but freezes the oscillator disabling all other chip functions until thenext hardware reset.
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