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AT89C205124SI
AT89C205124SI | |
|---|---|
| Manufacturer Part Number | AT89C205124SI |
| Description | SOP20 |
| Manufacturer | ATMEL Corporation |
| AT89C205124SI datasheet |
|
Specifications of AT89C205124SI | |||
|---|---|---|---|
| Date_code | 04+ | ||
PrevNext
Features
®
•
Compatible with MCS
-51Products
•
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
•
Green (Pb/Halide-free) Packaging Option
1. 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 power-
ful 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
0368G–MICRO–6/05
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