ATmega16 Atmel Corporation, ATmega16 Datasheet - Page 126

• Manufacturer Part Number: ATmega16
• Manufacturer: Atmel Corporation

Specifications of ATmega16

• 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

Timer/Counter
Timing Diagrams
2466T–AVR–07/10
The following figures show the Timer/Counter in Synchronous mode, and the timer clock (clk
is therefore shown as a clock enable signal. In Asynchronous mode, clk
the Timer/Counter Oscillator clock. The figures include information on when Interrupt Flags are
set.
count sequence close to the MAX value in all modes other than phase correct PWM mode.
Figure 60. Timer/Counter Timing Diagram, no Prescaling
Figure 61
Figure 61. Timer/Counter Timing Diagram, with Prescaler (f
Figure 62
Figure 60
TCNTn
TCNTn
(clk
(clk
TOVn
TOVn
clk
clk
clk
clk
I/O
I/O
I/O
I/O
Tn
Tn
/8)
/1)
shows the same timing data, but with the prescaler enabled.
shows the setting of OCF2 in all modes except CTC mode.
contains timing data for basic Timer/Counter operation. The figure shows the
MAX - 1
MAX - 1
MAX
MAX
clk_I/O
BOTTOM
BOTTOM
/8)
ATmega16(L)
I/O
should be replaced by
BOTTOM + 1
BOTTOM + 1
126
T2
)