Instructions
27 C-Control Pro IDE
© 2013 Conrad Electronic
Ports
Max. admissible current from digital ports
± 20 mA
Admissible current total on digital ports
200mA
Admissible input voltage on port pins (digital and
A/D)
–0.5V ... 5.5V
Internal pull-up resistors (disconnectable)
20 - 50 kOhm
2.1.4.1 CPU
The Micro Controller Atmega128 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:
133 Powerful Instructions – Most Single Clock Cycle Execution
32 x 8 General Purpose Working Registers + Peripheral Control Registers
Fully Static Operation
Up to 16 MIPS Throughput at 16 MHz
On-chip 2-cycle Multiplier
Nonvolatile Program and Data Memories
128K Bytes of In-System Reprogrammable Flash
Endurance: 10,000 Write/Erase Cycles
Optional Boot Code Section with Independent Lock Bits
In-System Programming by On-chip Boot Program
True Read-While-Write Operation
4K Bytes EEPROM
Endurance: 100,000 Write/Erase Cycles
4K Bytes Internal SRAM
Up to 64K Bytes Optional External Memory Space
Programming Lock for Software Security
SPI Interface for In-System Programming
JTAG (IEEE std. 1149.1 Compliant) Interface
Boundary-scan Capabilities According to the JTAG Standard
Extensive On-chip Debug Support
Programming of Flash, EEPROM, Fuses and Lock Bits through the JTAG Interface
Peripheral Features
Two 8-bit Timer/Counters with Separate Prescalers and Compare Modes
Two Expanded 16-bit Timer/Counters with Separate Prescaler, Compare Mode and
Capture Mode
Real Time Counter with Separate Oscillator
Two 8-bit PWM Channels
6 PWM Channels with Programmable Resolution from 2 to 16 Bits
Output Compare Modulator
8-channel, 10-bit ADC
8 Single-ended Channels