ATMEGA165P-16ANR Atmel, ATMEGA165P-16ANR Datasheet - Page 146
![IC MCU AVR 16K 16MHZ 64TQFP](/photos/12/13/121332/313-64-tqfp_sml.jpg)
ATMEGA165P-16ANR
Manufacturer Part Number
ATMEGA165P-16ANR
Description
IC MCU AVR 16K 16MHZ 64TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA165P-16ANR
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
SPI, UART/USART, USI
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
54
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
64-TQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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16.11.4
16.11.5
16.11.6
8019K–AVR–11/10
TIMSK2 – Timer/Counter2 Interrupt Mask Register
TIFR2 – Timer/Counter2 Interrupt Flag Register
ASSR – Asynchronous Status Register
• Bit 1 – OCIE2A: Timer/Counter2 Output Compare Match A Interrupt Enable
When the OCIE2A bit is written to one and the I-bit in the Status Register is set (one), the
Timer/Counter2 Compare Match A interrupt is enabled. The corresponding interrupt is executed
if a compare match in Timer/Counter2 occurs, that is, when the OCF2A bit is set in the
Timer/Counter 2 Interrupt Flag Register – TIFR2.
• Bit 0 – TOIE2: Timer/Counter2 Overflow Interrupt Enable
When the TOIE2 bit is written to one and the I-bit in the Status Register is set (one), the
Timer/Counter2 Overflow interrupt is enabled. The corresponding interrupt is executed if an
overflow in Timer/Counter2 occurs, that is, when the TOV2 bit is set in the Timer/Counter2 Inter-
rupt Flag Register – TIFR2.
• Bit 1 – OCF2A: Output Compare Flag 2 A
The OCF2A bit is set (one) when a compare match occurs between the Timer/Counter2 and the
data in OCR2A – Output Compare Register2. OCF2A is cleared by hardware when executing
the corresponding interrupt handling vector. Alternatively, OCF2A is cleared by writing a logic
one to the flag. When the I-bit in SREG, OCIE2A (Timer/Counter2 Compare match Interrupt
Enable), and OCF2A are set (one), the Timer/Counter2 Compare match Interrupt is executed.
• Bit 0 – TOV2: Timer/Counter2 Overflow Flag
The TOV2 bit is set (one) when an overflow occurs in Timer/Counter2. TOV2 is cleared by hard-
ware when executing the corresponding interrupt handling vector. Alternatively, TOV2 is cleared
by writing a logic one to the flag. When the SREG I-bit, TOIE2A (Timer/Counter2 Overflow Inter-
rupt Enable), and TOV2 are set (one), the Timer/Counter2 Overflow interrupt is executed. In
PWM mode, this bit is set when Timer/Counter2 changes counting direction at 0x00.
Bit
(0x70)
Read/Write
Initial Value
Bit
0x17 (0x37)
Read/Write
Initial Value
Bit
(0xB6)
Read/Write
Initial Value
R
7
–
0
R
7
–
0
R
7
–
0
R
6
–
0
R
6
–
0
R
6
–
0
R
5
–
0
R
5
–
0
R
5
–
0
EXCLK
R/W
4
0
R
4
–
0
R
4
–
0
AS2
R/W
3
0
R
3
–
0
R
3
–
0
TCN2UB
R
2
0
R
2
–
0
R
2
–
0
OCR2UB
OCIE2A
OCF2A
R
1
0
R/W
ATmega165P
R/W
1
0
1
0
TCR2UB
TOIE2
TOV2
R/W
R/W
R
0
0
0
0
0
0
TIMSK2
TIFR2
ASSR
146
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