ATXMEGA192D3-AU Atmel, ATXMEGA192D3-AU Datasheet - Page 7

MCU AVR 192K FLASH 64TQFP

ATXMEGA192D3-AU

Manufacturer Part Number
ATXMEGA192D3-AU
Description
MCU AVR 192K FLASH 64TQFP
Manufacturer
Atmel
Series
AVR® XMEGAr
Datasheets

Specifications of ATXMEGA192D3-AU

Core Processor
AVR
Core Size
8/16-Bit
Speed
32MHz
Connectivity
I²C, IrDA, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
50
Program Memory Size
192KB (96K x 16)
Program Memory Type
FLASH
Eeprom Size
2K x 8
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
1.6 V ~ 3.6 V
Data Converters
A/D 16x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-TQFP, 64-VQFP
Controller Family/series
ATXMEGA
No. Of I/o's
50
Eeprom Memory Size
2KB
Ram Memory Size
16KB
Cpu Speed
32MHz
Rohs Compliant
Yes
Processor Series
XMEGA
Core
AVR
Data Bus Width
8 bit, 16 bit
Data Ram Size
16 KB
Interface Type
SPI, TWI, USART
Maximum Clock Frequency
32 MHz
Number Of Programmable I/os
50
Number Of Timers
5
Operating Supply Voltage
2.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWAVR, EWAVR-BL
Minimum Operating Temperature
- 40 C
Operating Temperature Range
- 40 C to + 85 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

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Quantity
Price
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6. AVR CPU
6.1
6.2
8068T–AVR–12/10
Features
Overview
The XMEGA A3 uses an 8/16-bit AVR CPU. The main function of the AVR CPU is to ensure cor-
rect program execution. The CPU must therefore be able to access memories, perform
calculations and control peripherals. Interrupt handling is described in a separate section.
6-1 on page 7
Figure 6-1.
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 pipeline. While one
instruction is being executed, the next instruction is pre-fetched from the program memory.
8/16-bit high performance AVR RISC Architecture
32x8-bit registers directly connected to the ALU
Stack in RAM
Stack Pointer accessible in I/O memory space
Direct addressing of up to 16M bytes of program and data memory
True 16/24-bit access to 16/24-bit I/O registers
Support for 8-, 16- and 32-bit Arithmetic
Configuration Change Protection of system critical features
– 138 instructions
– Hardware multiplier
Peripheral
Module 1
shows the CPU block diagram.
CPU block diagram
CONTROL
STATUS/
Program
Counter
OCD
Peripheral
Module 2
Instruction
Instruction
Program
Register
Memory
Decode
Flash
DATA BUS
SRAM
DATA BUS
ALU
EEPROM
32 x 8 General
Registers
Purpose
Multiplier/
DES
PMIC
XMEGA A3
Figure
7

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