ATmega169P Automotive Datasheet
时间: 2009-07-26 来源: Seawin
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下载次数: picoPower technology AVR Microcontroller.
16-Kbyte self-programming Flash Program Memory, 1-KbyteSRAM, 512 Byte EEPROM, 8 Channel 10-bit A/D-converter.JTAG interface for on-chip-debug.4 X 25 Segment LCD Driver.Up to 16 MIPS throughput at 16 MHz. 2.7 - 5.5 Volt Operation.
KeyParameter:
Flash (Kbytes): 16; EEPROM (Kbytes): 0.5; SRAM (Bytes): 1024; Max I/O Pins: 54; F.max (MHz): 16; Vcc (V): 2.7 - 5.5; 10-bit A/D Channels: 8; Analog Comparator: Yes; 16-bit Timers: 1; 8-bit Timer: 2; Brown Out Detector: Yes; Ext Interrupts: 17; Hardware Multiplier: Yes; Interrupts: 23; On Chip Oscillator: Yes; PWM Channels: 4; RTC: Yes; Self Program Memory: Yes; SPI: Yes; TWI: USI; UART: 1; Watchdog: Yes;
GreenPackage TQFP 64
This Application Note covers the most common problems encountered when switching to a new microcontroller architecture like the AVR.Solutions and considerations for the most common design challenges are covered.
This application note describes a method to calibrate the internal RC oscillator and targets all AVR devices with tunable RC oscillator. Furthermore, an easily adaptable calibration firmware source code is also offered. This allows device calibration using AVR tools, and it can also be used for 3rd party calibration systems, based on production programmers.
This application note describes a fast and accurate way to calibrate the internal RC oscillator using an external 32.768 kHz crystal as input to an asynchronous Timer/Counter.
The Xmodem protocol was created years ago as a simple means of having two computers talk to each other. With its half-duplex mode of operation, 128-byte packets, ACK/NACK responses and CRC data checking, the Xmodem has found its way into many applications.
The ATmega169P and ATmega329P are designed to be a pin and functionality compatible sub family, but because of the differences in memory sizes and other issues mentioned in this application note there may be a need for minor modifications in the application when porting code between the devices.
This application note provides guidelines to design the PCB layout in order not to risk failure and unstable oscillator operation.
Debug Tool: AVR JTAGICE mkII
Design Software: AVR Studio 4
Evaluation Kit: AVR Butterfly
In-System Programming: AVRISP mkII In-System Programmer
Starter Kit: ATSTK500
ATSTK502
ATSTK600
ATSTK600-TQFP64
Software Files:
Zip archive with BSDL files for Atmel AVR devices.
AVRsvf is a commandline software that is used to generate Serial Vector Format (SVF) files with complete programming algorithms and content for all Atmel AVR devices with a JTAG interface. SVF files are used as input to most common JTAG programmers or ATE testers.
Introduction of the product range of AVR and AVR32 microcontrollers and application processors:
Device family description
Key features
Device selection guides
Application oriented device families
Tools offer
This white paper highlight some of the challenges of modern microcontroller design and how the new picoPower techniques used in the AVR microcontroller is addressing them.
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