AT89S2051 - ATMEL

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

AT89S2051
Manufacturer

ATMEL
ChipWorker Part#

CW1293754303
RoHS

Lead free / RoHS Compliant
Description

8Bit Microcontroller with 2K/4K Bytes Flash
Documentation

Datasheet

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AT89S2051 Specifications

Attribute	Attribute Value

Part Number	AT89S2051
Manufacturer	ATMEL
ChipWorker Part#	CW1293754303
Documentation	Datasheet
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RoHS	RoHS Compliant

Product Description

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’s 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.
Features
• Compatible with MCS® 51 Products
• 2K/4K Bytes of In-System Programmable (ISP) Flash Program Memory
– Serial Interface for Program Downloading
– 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)
– Page Mode: 32 Bytes/Page
• User Serviceable Signature Page (32 Bytes)

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- Vacuum packed
- Anti-static packaging
- Anti-vibration foam
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- Surface testing

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