ATA8743-PXQW Atmel, ATA8743-PXQW Datasheet - Page 23
ATA8743-PXQW
Manufacturer Part Number
ATA8743-PXQW
Description
MCU W/TRANSMITTER ASK/FSK 24QFN
Manufacturer
Atmel
Datasheet
1.ATA8743-PXQW.pdf
(238 pages)
Specifications of ATA8743-PXQW
Frequency
868MHz ~ 928MHz
Applications
Home Automation, Remote Sensing, RKE
Modulation Or Protocol
ASK, FSK
Data Rate - Maximum
32 kBit/s
Power - Output
3.5dBm ~ 8dBm
Current - Transmitting
9.3mA
Data Interface
PCB, Surface Mount
Antenna Connector
PCB, Surface Mount
Memory Size
4kB Flash, 256B EEPROM, 256B SRAM
Voltage - Supply
1.8 V ~ 3.6 V
Operating Temperature
-40°C ~ 85°C
Package / Case
24-VQFN Exposed Pad, 24-HVQFN, 24-SQFN, 24-DHVQFN
Processor Series
ATA8x
Core
AVR8
Data Bus Width
8 bit
Program Memory Type
Flash
Program Memory Size
4 KB
Data Ram Size
256 B
Interface Type
SPI, USI
Maximum Clock Frequency
16 MHz
Number Of Programmable I/os
12
Number Of Timers
2
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Development Tools By Supplier
ATASTK512-EK1-IND
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 8 Channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Features
-
Lead Free Status / Rohs Status
Details
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12. CPU Core
12.1
12.2
9152B–INDCO–02/10
Overview
Architectural Overview
This section discusses the AVR core architecture in general. The main function of the 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 12-1. Block Diagram of the AVR Architecture
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 instruc-
tion 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
Register
Decoder
Flash
Program
Counter
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
ATA8743
Watchdog
Universal
Interrupt
Timer
Analog
Unit
23
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