Datasheet

2. Configuration Summary
Features ATmega128A
Pin count 64
Flash (KB) 128
SRAM (KB) 4
EEPROM (KB) 4
External Memory (KB) 64
General Purpose I/O pins 53
SPI 1
TWI (I
2
C) 1
USART 2
ADC 10-bit, up to 76.9ksps (15ksps at max resolution)
ADC channels 6 (8 in TQFP and QFN/MLF packages)
AC propagation delay Typ 400ns
8-bit Timer/Counters 2
16-bit Timer/Counters 2
PWM channels 6
RC Oscillator +/-3%
VREF Bandgap
Operating voltage 2.7 - 5.5V
Max operating frequency 16MHz
Temperature range -55°C to +125°C
JTAG Yes
Atmel ATmega128A [DATASHEET]
Atmel-8151JS-8-bit AVR Microcontroller_Datasheet_Summary-09/2015
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