Spectrum Microcontroller. AT48801 Datasheet

AT48801 Datasheet PDF, Equivalent


Part Number

AT48801

Description

8 Bit Spread- Spectrum Microcontroller

Manufacture

ATMEL Corporation

Total Page 17 Pages
PDF Download
Download AT48801 Datasheet


AT48801 Datasheet
AT48801
Features
Compatible with MCS-51Products
8K bytes of On-Board Program Memory
Fully Static Operation: 0 Hz to 16 MHz
256 x 8 Bit Internal RAM
32 Programmable I/O Lines
Three 16 Bit Timer/Counters
Eight Interrupt Sources
Programmable Serial Channel
•• Low Power Idle and Power Down Modes
Description
The AT48801 is a low-power, high-performance CMOS 8 bit microcomputer with 8K
bytes on-board program memory. The device is compatible with the industry standard
80C51 and 80C52 instruction set and pinout. The Atmel AT48801 is a powerful micro-
computer which provides a highly flexible and cost effective solution to spread-spec-
trum applications.
The AT48801 provides the following standard features: 8K bytes of program memory,
256-bytes of RAM, 32 I/O lines, three 16 bit timer/counters, a six-vector two-level
interrupt architecture, a full duplex serial port, on-chip oscillator, and clock circuitry. In
addition, the AT48801 is designed with static logic for operation down to zero fre-
quency and supports two software selectable power saving modes. The Idle Mode
stops the CPU while allowing the RAM, timer/counters, serial port, and interrupt sys-
tem 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
Spread-
Spectrum
Microcontroller
Preliminary
Pin Configuration
PQFP
0629A
1-1

AT48801 Datasheet
Block Diagram
1-2 AT48801


Features Datasheet pdf AT48801 Features • • • • • • • • Compatible with MCS-51 Products 8K bytes of On-Board Program Memory Fully Static Operation: 0 Hz to 16 MHz 256 x 8 Bit Internal RAM 32 Pro grammable I/O Lines Three 16 Bit Timer/ Counters Eight Interrupt Sources Progra mmable Serial Channel Low Power Idle an d Power Down Modes Description The AT4 8801 is a low-power, high-performance C MOS 8 bit microcomputer with 8K bytes o n-board program memory. The device is c ompatible with the industry standard 80 C51 and 80C52 instruction set and pinou t. The Atmel AT48801 is a powerful micr ocomputer which provides a highly flexi ble and cost effective solution to spre ad-spectrum applications. The AT48801 p rovides the following standard features : 8K bytes of program memory, 256-bytes of RAM, 32 I/O lines, three 16 bit tim er/counters, a six-vector two-level int errupt architecture, a full duplex seri al port, on-chip oscillator, and clock circuitry. In addition, the AT48801 is designed with static logic for operation dow.
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