ATMEga64L ATMEL Corporation, ATMEga64L Datasheet - Page 134

• Manufacturer Part Number: ATMEga64L
• Description: 8-bit AVR Microcontroller with 64K Bytes In-System Programmable Flash
• Manufacturer: ATMEL Corporation

Table 61. Waveform Generation Mode Bit Description
Note:
Timer/Counter1 Control
Register B – TCCR1B
Timer/Counter3 Control
Register B – TCCR3B
134
Mode
10
11
12
13
14
15
0
1
2
3
4
5
6
7
8
9
The CTCn and PWMn1:0 bit definition names are obsolete. Use the
tion of these bits are compatible with previous versions of the timer.
WGMn3
ATmega64(L)
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
WGMn2
(CTCn)
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
(PWMn1)
WGMn1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
• Bit 7 – ICNCn: Input Capture Noise Canceler
Setting this bit (to one) activates the Input Capture Noise Canceler. When the noise can-
celer is activated, the input from the Input Capture pin (ICPn) is filtered. The filter
function requires four successive equal valued samples of the ICPn 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
Bit
Read/Write
Initial Value
(PWMn0)
WGMn0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
ICNC1
ICNC3
R/W
R/W
7
0
7
0
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
ICES1
ICES3
R/W
R/W
6
0
6
0
R
R
5
–
0
5
–
0
WGM
WGM13
WGM33
R/W
R/W
n2:0 definitions. However, the functionality and loca-
4
0
4
0
WGM12
WGM32
R/W
R/W
3
0
3
0
TOP
0xFFFF
OCRnA
ICRn
OCRnA
ICRn
OCRnA
–
ICRn
OCRnA
0x00FF
0x01FF
0x03FF
0x00FF
0x01FF
0x03FF
ICRn
CS12
CS32
R/W
R/W
2
0
2
0
Update of
OCRn
Immediate
TOP
TOP
TOP
Immediate
TOP
TOP
TOP
BOTTOM
BOTTOM
TOP
TOP
Immediate
–
TOP
TOP
CS11
CS31
R/W
R/W
1
0
1
0
x
at
CS10
CS30
R/W
R/W
0
0
0
0
2490G–AVR–03/04
TOVn Flag
Set on
MAX
BOTTOM
BOTTOM
BOTTOM
MAX
TOP
TOP
TOP
BOTTOM
BOTTOM
BOTTOM
BOTTOM
MAX
–
TOP
TOP
TCCR1B
TCCR3B