ATTIny2313-16MI ATMEL Corporation, ATTIny2313-16MI Datasheet - Page 79
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ATTIny2313-16MI
Manufacturer Part Number
ATTIny2313-16MI
Description
8-bit AVR Microcontroller with 2K Bytes In-System Programmable Flash
Manufacturer
ATMEL Corporation
Datasheet
1.ATTINY2313-16MI.pdf
(211 pages)
- Current page: 79 of 211
- Download datasheet (3Mb)
Timer/Counter Interrupt Mask
Register – TIMSK
Timer/Counter Interrupt Flag
Register – TIFR
2543C–AVR–12/03
• Bit 4 – Res: Reserved Bit
This bit is reserved bit in the ATtiny2313 and will always read as zero.
• Bit 2 – OCIE0B: Timer/Counter0 Output Compare Match B Interrupt Enable
When the OCIE0B bit is written to one, and the I-bit in the Status Register is set, the
Timer/Counter Compare Match B interrupt is enabled. The corresponding interrupt is
executed if a Compare Match in Timer/Counter occurs, i.e., when the OCF0B bit is set in
the Timer/Counter Interrupt Flag Register – TIFR.
• Bit 1 – TOIE0: Timer/Counter0 Overflow Interrupt Enable
When the TOIE0 bit is written to one, and the I-bit in the Status Register is set, the
Timer/Counter0 Overflow interrupt is enabled. The corresponding interrupt is executed if
an overflow in Timer/Counter0 occurs, i.e., when the TOV0 bit is set in the
Timer/Counter 0 Interrupt Flag Register – TIFR.
• Bit 0 – OCIE0A: Timer/Counter0 Output Compare Match A Interrupt Enable
When the OCIE0A bit is written to one, and the I-bit in the Status Register is set, the
Timer/Counter0 Compare Match A interrupt is enabled. The corresponding interrupt is
executed if a Compare Match in Timer/Counter0 occurs, i.e., when the OCF0A bit is set
in the Timer/Counter 0 Interrupt Flag Register – TIFR.
• Bit 4 – Res: Reserved Bit
This bit is reserved bit in the ATtiny2313 and will always read as zero.
• Bit 2 – OCF0B: Output Compare Flag 0 B
The OCF0B bit is set when a Compare Match occurs between the Timer/Counter and
the data in OCR0B – Output Compare Register0 B. OCF0B is cleared by hardware
when executing the corresponding interrupt handling vector. Alternatively, OCF0B is
cleared by writing a logic one to the flag. When the I-bit in SREG, OCIE0B
(Timer/Counter Compare B Match Interrupt Enable), and OCF0B are set, the
Timer/Counter Compare Match Interrupt is executed.
• Bit 1 – TOV0: Timer/Counter0 Overflow Flag
The bit TOV0 is set when an overflow occurs in Timer/Counter0. TOV0 is cleared by
hardware when executing the corresponding interrupt handling vector. Alternatively,
TOV0 is cleared by writing a logic one to the flag. When the SREG I-bit, TOIE0
(Timer/Counter0 Overflow Interrupt Enable), and TOV0 are set, the Timer/Counter0
Overflow interrupt is executed.
Bit
Read/Write
Initial Value
Bit
Read/Write
Initial Value
TOIE1
TOV1
R/W
R/W
7
0
7
0
OCIE1A
OCF1A
R/W
R/W
6
0
6
0
OCF1B
OCIE1B
R/W
R/W
5
0
5
0
R
4
–
0
R
4
–
0
ICF1
R/W
ICIE1
R/W
3
0
3
0
OCF0B
OCIE0B
R/W
R/W
2
0
2
0
ATtiny2313/V
TOV0
R/W
TOIE0
R/W
1
0
1
0
OCF0A
OCIE0A
R/W
0
0
R/W
0
0
TIFR
TIMSK
79
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