Instructions

20Hardware
© 2013 Conrad Electronic
Environmental Conditions
Range of admissable ambient temperature
0°C … 70°C
Range of admissable ambient relative humidity
20% … 60%
Power Supply
Range of admissable supply voltage
4,5V … 5,5V
Power reqirement of the module without external
loads
appr. 20mA
Clock
Clock Frequency (Quartz Oscillator)
14.7456MHz
Mechanics
Overall measurements less pins, appr.
53 mm x 21mm x 8 mm
Weight
appr. 90g
Pin pitch
2.54mm
Number of pins (two rows)
40
Distance between rows
15.24mm
Ports
Max. adimissable current from digital ports
± 20 mA
Admissable current total on digital ports
200mA
Admissable input voltage on port pins (digital and
A/D)
–0.5V ... 5.5V
Internal pull-up resistors (disconnectable)
20 - 50 kOhm
2.1.3.1 CPU
Mega32 Overview
The Micro Controller ATmega32 originates from the AVR family by ATMEL. It is a low-power Micro
Controller with Advanced RISC Architecture. In the following see a short summary of its hardware re-
sources:
131 Powerful Instructions – Most Single-clock Cycle Execution
32 x 8 General Purpose Working Registers
Up to 16 MIPS Throughput at 16 MHz
Nonvolatile Program and Data Memories