ATMEGA16A-AUR Atmel, ATMEGA16A-AUR Datasheet - Page 112
ATMEGA16A-AUR
Manufacturer Part Number
ATMEGA16A-AUR
Description
MCU AVR 16KB FLASH 16MHZ 44TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheet
1.ATMEGA16A-MU.pdf
(352 pages)
Specifications of ATMEGA16A-AUR
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
32
Program Memory Size
16KB (8K x 16)
Program Memory Type
FLASH
Eeprom Size
512 x 8
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ATMEGA16A-AUR
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
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Table 16-5.
Note:
16.11.2
112
Mode
10
11
12
13
14
15
0
1
2
3
4
5
6
7
8
9
1. The CTC1 and PWM11:0 bit definition names are obsolete. Use the
WGM13
ATmega16A
TCCR1B – Timer/Counter1 Control Register B
location of these bits are compatible with previous versions of the timer.
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
Waveform Generation Mode Bit Description
WGM12
(CTC1)
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
A FOC1A/FOC1B strobe will not generate any interrupt nor will it clear the timer in Clear Timer
on Compare match (CTC) mode using OCR1A as TOP.
The FOC1A/FOC1B bits are always read as zero.
• Bit 1:0 – WGM11:0: Waveform Generation Mode
Combined with the WGM13:2 bits found in the TCCR1B Register, these bits control the counting
sequence of the counter, the source for maximum (TOP) counter value, and what type of wave-
form generation to be used, see
unit are: Normal mode (counter), Clear Timer on Compare match (CTC) mode, and three types
of Pulse Width Modulation (PWM) modes.
• Bit 7 – ICNC1: Input Capture Noise Canceler
Setting this bit (to one) activates the Input Capture Noise Canceler. When the Noise Canceler is
activated, the input from the Input Capture Pin (ICP1) is filtered. The filter function requires four
successive equal valued samples of the ICP1 pin for changing its output. The Input Capture is
therefore delayed by four Oscillator cycles when the Noise Canceler is enabled.
Bit
Read/Write
Initial Value
(PWM11)
WGM11
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
(PWM10)
WGM10
ICNC1
R/W
7
0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
ICES1
R/W
Timer/Counter Mode of Operation
Normal
PWM, Phase Correct, 8-bit
PWM, Phase Correct, 9-bit
PWM, Phase Correct, 10-bit
CTC
Fast PWM, 8-bit
Fast PWM, 9-bit
Fast PWM, 10-bit
PWM, Phase and Frequency Correct
PWM, Phase and Frequency Correct
PWM, Phase Correct
PWM, Phase Correct
CTC
Reserved
Fast PWM
Fast PWM
6
0
(1)
Table
R
5
–
0
16-5. Modes of operation supported by the Timer/Counter
WGM13
(See “Modes of Operation” on page
R/W
4
0
WGM
WGM12
12:0 definitions. However, the functionality and
R/W
3
0
TOP
0xFFFF
0x00FF
0x01FF
0x03FF
OCR1A
0x00FF
0x01FF
0x03FF
ICR1
OCR1A
ICR1
OCR1A
ICR1
–
ICR1
OCR1A
CS12
R/W
2
0
Update of
OCR1
Immediate
TOP
TOP
Immediate
BOTTOM
BOTTOM
BOTTOM
BOTTOM
BOTTOM
TOP
TOP
Immediate
–
BOTTOM
BOTTOM
TOP
CS11
R/W
1
0
x
99.)
CS10
R/W
0
0
TOV1 Flag Set
on
MAX
BOTTOM
BOTTOM
BOTTOM
MAX
TOP
TOP
TOP
BOTTOM
BOTTOM
BOTTOM
BOTTOM
MAX
–
TOP
TOP
8154B–AVR–07/09
TCCR1B
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