Small AVR development board fitted in DIP26 form factor, containing ATmega328 microcontroller.
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Table of Contents Introduction to MINI-AT 4 Key features 4 System Specification 5 1. Programming with Bootloader 2. Schematics 6 8 3. Pinout 10 4.
Introduction to MINI-AT Miniature and powerful development tool designed to work as a stand alone device or as MCU card in DIP26 socket. MINI-AT is pre programmed with bootloader so it is not necessary to have external programmer. If there is a need for external programmer (AVR ISP) attach it to MINI-AT via pads marked with PB3 (SO), RB4 (SI), RB5 (SC) and PC6 (RST).
System Specification power supply 02 3.3V or 5V via USB (depending on which MINI-AT board you are using) 07 power consumption 01 depends on MCU state (max current 03 is 300mA) board dimensions 33.02 x 17.78mm (1.3 x 0.7“) 04 05 08 weight ~4g (0.
1. Programming with Bootloader When you are ready to start writing your first projects for MINI-AT, you need to download and install the desired AVR Now you will need to download and install the bootloader application and integrate it with your compiler. Download link is available on the MINI-AT webpage. We also provided a nice video tutorial which will guide you though the bootloading process. compiler.
Figure 1-1: Connected MINI-AT via USB cable Page 7
2.
VCC R1 10K VCC AREF C6 100nF T1 C7 100nF C1 100nF IO2 TX RX RST# AN5 AN4 AN3 AN2 DTR C5 100nF VCC TX RX RST# 1 2 3 4 5 6 7 8 9 10 11 12 13 CN2 VCC AN5 AN3 AN2 AN1 AN0 SCK SDI SDO IO10 PD2 PD1 PD0 RST PC5 PC4 PC3 PC2 IO3 IO4 1 2 3 4 5 6 7 8 OSC1 OSC2 PC1 PC0 ADC7 GND AREF ADC6 AVDD PB5 24 23 22 21 20 19 18 17 AN1 AN0 AREF SCK VCC PD5 PD6 PD7 PB0 PB1 PB2 PB3 PB4 16MHz PD3 PD4 GND VDD ATmega328 GND VDD PB6/XTAL1 PB7/XTAL2 LD2 R4 220 9 10 11 12 13 14 15 16 1 2 3 4 5 6 7 8 9 10 11 12 1
3.
17.78mm (700 mils) 4. Dimensions 33.02mm (1300 mils) 2.
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