ATA5771-DK1 Atmel, ATA5771-DK1 Datasheet - Page 14
ATA5771-DK1
Manufacturer Part Number
ATA5771-DK1
Description
BOARD XMITTER FOR ATA5771 868MHZ
Manufacturer
Atmel
Type
Transmitterr
Specifications of ATA5771-DK1
Frequency
868MHz
Maximum Frequency
868 MHz
Supply Voltage (max)
4 V
Supply Voltage (min)
2 V
Supply Current
8.5 mA
Product
RF Development Tools
For Use With/related Products
ATA5771
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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4.7
4.7.1
4.7.2
14
CPU Core
Atmel ATA5771/73/74
Overview
Architectural Overview
This section discusses the Atmel AVR
CPU core is to ensure correct program execution. The CPU must therefore be able to access
memories, perform calculations, control peripherals, and handle interrupts.
Figure 4-2.
In order to maximize performance and parallelism, the AVR uses a Harvard architecture – with
separate memories and buses for program and data. Instructions in the Program memory are
executed with a single level pipelining. While one instruction is being executed, the next
instruction is pre-fetched from the Program memory. This concept enables instructions to be
executed in every clock cycle. The Program memory is In-System Reprogrammable Flash
memory.
Control Lines
Instruction
Instruction
Program
Memory
Decoder
Register
Flash
Block Diagram of the Atmel AVR Architecture
Program
Counter
®
core architecture in general. The main function of the
and Control
EEPROM
Registrers
I/O Lines
Purpose
General
SRAM
Data Bus 8-bit
Status
32 x 8
Data
ALU
Timer/Counter 0
Timer/Counter 1
Serial Interface
Comparator
Watchdog
Universal
Interrupt
Timer
Analog
Unit
9137E–RKE–12/10
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