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AT89S4051-24SU Datasheet

  • AT89S4051-24SU

  • 8-bit Microcontroller with 2K/4K Bytes Flash

  • 45頁

  • ATMEL   ATMEL

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Features
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Compatible with MCS
廬
51 Products
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2K/4K Bytes of In-System Programmable (ISP) Flash Program Memory
鈥?Serial Interface for Program Downloading
鈥?Endurance: 10,000 Write/Erase Cycles
2.7V to 5.5V Operating Range
Fully Static Operation: 0 Hz to 24 MHz
Two-level Program Memory Lock
256 x 8-bit Internal RAM
15 Programmable I/O Lines
Two 16-bit Timer/Counters
Six Interrupt Sources
Programmable Serial UART Channel
Direct LED Drive Outputs
On-chip Analog Comparator with Selectable Interrupt
8-bit PWM (Pulse-width Modulation)
Low Power Idle and Power-down Modes
Brownout Reset
Enhanced UART Serial Port with Framing Error Detection and Automatic
Address Recognition
Internal Power-on Reset
Interrupt Recovery from Power-down Mode
Programmable and Fuseable x2 Clock Option
Four-level Enhanced Interrupt Controller
Power-off Flag
Flexible Programming (Byte and Page Modes)
鈥?Page Mode: 32 Bytes/Page
User Serviceable Signature Page (32 Bytes)
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8-bit
Microcontroller
with 2K/4K
Bytes Flash
AT89S2051
AT89S4051
Preliminary
1. Description
The AT89S2051/S4051 is a low-voltage, high-performance CMOS 8-bit microcontrol-
ler with 2K/4K bytes of In-System Programmable (ISP) Flash program memory. The
device is manufactured using Atmel鈥檚 high-density nonvolatile memory technology
and is compatible with the industry-standard MCS-51 instruction set. By combining a
versatile 8-bit CPU with Flash on a monolithic chip, the Atmel AT89S2051/S4051 is a
powerful microcontroller which provides a highly-flexible and cost-effective solution to
many embedded control applications. Moreover, the AT89S2051/S4051 is designed
to be function compatible with the AT89C2051/C4051 devices, respectively.
The AT89S2051/S4051 provides the following standard features: 2K/4K bytes of
Flash, 256 bytes of RAM, 15 I/O lines, two 16-bit timer/counters, a six-vector, four-
level interrupt architecture, a full duplex enhanced serial port, a precision analog
comparator, on-chip and clock circuitry. Hardware support for PWM with 8-bit resolu-
tion and 8-bit prescaler is available by reconfiguring the two on-chip timer/counters. In
addition, the AT89S2051/S4051 is designed with static logic for operation down to
zero frequency and supports two software-selectable power saving 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 saves the RAM contents
but freezes the disabling all other chip functions until the next external interrupt or
hardware reset.
3390C鈥揗ICRO鈥?/05

AT89S4051-24SU 產(chǎn)品屬性

  • MCU Product Line Introduction

  • 38

  • 集成電路 (IC)

  • 嵌入式 - 微控制器，

  • 89S

  • 8051

  • 8-位

  • 24MHz

  • UART/USART

  • 欠壓檢測/復位，POR，PWM

  • 15

  • 4KB（4K x 8）

  • 閃存

  • -

  • 256 x 8

  • 2.7 V ~ 5.5 V

  • -

  • 內(nèi)部

  • -40°C ~ 85°C

  • 20-SOIC（0.295"，7.50mm 寬）

  • 管件

  • Q2962974

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