Bytes Flash. AT892051 Datasheet

AT892051 Datasheet PDF, Equivalent


Part Number

AT892051

Description

8-Bit Microcontroller with 2K Bytes Flash

Manufacture

ATMEL Corporation

Total Page 13 Pages
PDF Download
Download AT892051 Datasheet


AT892051 Datasheet
Features
Compatible with MCS-51™ Products
2K Bytes of Reprogrammable Flash Memory
– Endurance: 1,000 Write/Erase Cycles
2.7V to 6V Operating Range
Fully Static Operation: 0 Hz to 24 MHz
Two-Level Program Memory Lock
128 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
Low Power Idle and Power Down Modes
Description
The AT89C2051 is a low-voltage, high-performance CMOS 8-bit microcomputer with
2K Bytes of Flash programmable and erasable read only memory (PEROM). 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 AT89C2051 is a pow-
erful microcomputer which provides a highly flexible and cost effective solution to
many embedded control applications.
The AT89C2051 provides the following standard features: 2K 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-chip oscillator
and clock circuitry. In addition, the AT89C2051 is designed with static logic for opera-
tion 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 oscillator disabling all other chip functions until the next
hardware reset.
8-Bit
Microcontroller
with 2K Bytes
Flash
AT89C2051
Pin Configuration
PDIP/SOIC
/VPP
0368D-B–12/97
4-15

AT892051 Datasheet
Block Diagram
4-16 AT89C2051


Features Datasheet pdf Features • Compatible with MCS-51™ P roducts • 2K Bytes of Reprogrammable Flash Memory • • • • • • • • • • – Endurance: 1,000 Write/Erase Cycles 2.7V to 6V Operating Range Fully Static Operation: 0 Hz to 24 MHz Two-Level Program Memory Lock 12 8 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 O n-Chip Analog Comparator Low Power Idle and Power Down Modes Description The AT89C2051 is a low-voltage, high-perfor mance CMOS 8-bit microcomputer with 2K Bytes of Flash programmable and erasabl e read only memory (PEROM). The device is manufactured using Atmel’s high de nsity nonvolatile memory technology and is compatible with the industry standa rd MCS-51™ instruction set. By combin ing a versatile 8-bit CPU with Flash on a monolithic chip, the Atmel AT89C2051 is a powerful microcomputer which prov ides a highly flexible and cost effective solution to many embedded control applications. The AT8.
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