AT32UC3C1512C Automotive Atmel Corporation, AT32UC3C1512C Automotive Datasheet - Page 87
AT32UC3C1512C Automotive
Manufacturer Part Number
AT32UC3C1512C Automotive
Description
Manufacturer
Atmel Corporation
Datasheets
1.AT90CAN128_AUTOMOTIVE.pdf
(225 pages)
2.AT32UC3C0512C_AUTOMOTIVE.pdf
(1312 pages)
3.AT32UC3C0512C_AUTOMOTIVE.pdf
(107 pages)
- AT90CAN128_AUTOMOTIVE PDF datasheet
- AT32UC3C0512C_AUTOMOTIVE PDF datasheet #2
- AT32UC3C0512C_AUTOMOTIVE PDF datasheet #3
- Current page: 87 of 225
- Download datasheet (4Mb)
13.9.2
7701E–AVR–02/11
TCCR0B – Timer/Counter Control Register B
• Bit 7 – FOC0A: Force Output Compare A
The FOC0A bit is only active when the WGM bits specify a non-PWM mode.
However, for ensuring compatibility with future devices, this bit must be set to logical zero
when TCCR0B is written when operating in PWM mode. When writing a logical one to the
FOC0A bit, an immediate compare match is forced on the waveform generation unit. The
OC0A output is changed according to its COM0A1:0 bit settings. Note that the FOC0A bit is
implemented as a strobe. Therefore, it is the value present in the COM0A1:0 bits that deter-
mines the effect of the forced compare.
A FOC0A strobe will not generate any interrupt, nor will it clear the timer in CTC mode using
OCR0A as TOP.
The FOC0A bit is always read as zero.
• Bit 6 – FOC0B: Force Output Compare B
The FOC0B bit is only active when the WGM bits specify a non-PWM mode.
However, for ensuring compatibility with future devices, this bit must be set to logical zero
when TCCR0B is written when operating in PWM mode. When writing a logical one to the
FOC0B bit, an immediate compare match is forced on the waveform generation unit. The
OC0B output is changed according to its COM0B1:0 bit settings. Note that the FOC0B bit is
implemented as a strobe. Therefore, it is the value present in the COM0B1:0 bits that deter-
mines the effect of the forced compare.
A FOC0B strobe will not generate any interrupt, nor will it clear the timer in CTC mode using
OCR0B as TOP.
The FOC0B bit is always read as zero.
• Bits 5:4 – Res: Reserved Bits
These bits are reserved bits in the ATtiny24/44/84, and will always read as zero.
• Bit 3 – WGM02: Waveform Generation Mode
See the description in the
• Bits 2:0 – CS02:0: Clock Select
The three Clock Select bits select the clock source to be used by the Timer/Counter.
Bit
0x33 (0x53)
Read/Write
Initial Value
FOC0A
W
7
0
FOC0B
W
“TCCR0A – Timer/Counter Control Register A” on page
6
0
Atmel ATtiny24/44/84 [Preliminary]
R
5
–
0
R
4
–
0
WGM02
R/W
3
0
CS02
R/W
2
0
CS01
R/W
1
0
CS00
R/W
0
0
84.
TCCR0B
87
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