Features:

Product Name: AVR/ATMEGA16A-PU
SN: ATMEGA16A-PU
Product Number: SP-C5658
Footprint: 40-PDIP
ATmega16A
Flash (Kbytes): 16
Pin Count: 44
Max. Operating Frequency: 16
CPU: 8-bit AVR
# of Touch Channels: 16
Hardware QTouch Acquisition: No
Max I/O Pins: 32
Ext Interrupts: 3
USB Speed: No
USB Interface: No
SPI: 1
TWI (I2C): 1
UART: 1
CAN: 0
LIN: 0
Ethernet: 0
Graphic LCD: No
Video Decoder: No
Camera Interface: No
ADC channels: 8
ADC Resolution (bits): 10
ADC Speed (ksps): 15
Analog Comparators: 1
Resistive Touch Screen: No
DAC Resolution (bits): 0
Temp. Sensor: No
Crypto Engine: No
SRAM (Kbytes): 1
EEPROM (Bytes): 512
Self Program Memory: YES
External Bus Interface: 0
DRAM Memory: No
NAND Interface: No
picoPower: No
Temp. Range (deg C): -40 to 85
I/O Supply Class: 2.7 to 5.5
Operating Voltage (Vcc): 2.7 to 5.5
FPU: No
MPU / MMU: no / no
Timers: 3
Output Compare channels: 4
Input Capture Channels: 1
PWM Channels: 4
32kHz RTC: Yes
Calibrated RC Oscillator: Yes
Watchdog: Yes
Packages: MLF (VQFN) 40M1 40,PDIP 40P6 40,TQFP 44A 44

Dataheet: Download Datasheet