User manual

33 C-Control Pro Mega Series
© 2008 Conrad Electronic
3.4 Mega128
Mega128 Übersicht
Der Mikrocontroller ATmega128 stammt aus der AVR-Familie von ATMEL. Es handelt sich um einen
low-power Mikrocontroller mit Advanced RISC Architecture. Hier folgt eine kurze Zusammenstellung
der Hardwareressourcen:
· 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
7 Differential Channels
2 Differential Channels with Programmable Gain at 1x, 10x, or 200x
Byte-oriented Two-wire Serial Interface
Dual Programmable Serial USARTs
Master/Slave SPI Serial Interface
Programmable Watchdog Timer with On-chip Oscillator
On-chip Analog Comparator
· Special Microcontroller Features
Power-on Reset and Programmable Brown-out Detection
Internal Calibrated RC Oscillator