ATmega16A Atmel Corporation, ATmega16A Datasheet - Page 347

• Manufacturer Part Number: ATmega16A
• Manufacturer: Atmel Corporation

Specifications of ATmega16A

• Flash (kbytes): 16 Kbytes
• Pin Count: 44
• Max. Operating Frequency: 16 MHz
• 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
• 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
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 1
• Eeprom (bytes): 512
• Self Program Memory: YES
• 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

15 Timer/Counter0 and Timer/Counter1 Prescalers ................................ 86
16 16-bit Timer/Counter1 ............................................................................ 88
17 8-bit Timer/Counter2 with PWM and Asynchronous Operation ...... 117
18 SPI – Serial Peripheral Interface ......................................................... 136
8154B–AVR–07/09
14.6
14.7
14.8
14.9
15.1
15.2
15.3
15.4
15.5
16.1
16.2
16.3
16.4
16.5
16.6
16.7
16.8
16.9
16.10
16.11
17.1
17.2
17.3
17.4
17.5
17.6
17.7
17.8
17.9
17.10
17.11
Compare Match Output Unit ............................................................................75
Modes of Operation .........................................................................................76
Timer/Counter Timing Diagrams .....................................................................80
Register Description ........................................................................................82
Overview ..........................................................................................................86
Internal Clock Source ......................................................................................86
Prescaler Reset ...............................................................................................86
External Clock Source .....................................................................................86
Register Description ........................................................................................87
Features ..........................................................................................................88
Overview ..........................................................................................................88
Accessing 16-bit Registers ..............................................................................91
Timer/Counter Clock Sources .........................................................................93
Counter Unit ....................................................................................................93
Input Capture Unit ...........................................................................................95
Output Compare Units .....................................................................................97
Compare Match Output Unit ............................................................................98
Modes of Operation .........................................................................................99
Timer/Counter Timing Diagrams ...................................................................107
Register Description ......................................................................................109
Features ........................................................................................................117
Overview ........................................................................................................117
Timer/Counter Clock Sources .......................................................................118
Counter Unit ..................................................................................................118
Output Compare Unit .....................................................................................119
Compare Match Output Unit ..........................................................................121
Modes of Operation .......................................................................................122
Timer/Counter Timing Diagrams ...................................................................126
Asynchronous Operation of the Timer/Counter2 ...........................................128
Timer/Counter Prescaler ...............................................................................130
Register Description ......................................................................................130
ATmega16A
iii