ATMEGA64-16AJ Atmel, ATMEGA64-16AJ Datasheet - Page 143
![IC MCU AVR 64K 5V 16MHZ 64-TQFP](/photos/12/13/121332/313-64-tqfp_sml.jpg)
ATMEGA64-16AJ
Manufacturer Part Number
ATMEGA64-16AJ
Description
IC MCU AVR 64K 5V 16MHZ 64-TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA64-16AJ
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
53
Program Memory Size
64KB (32K x 16)
Program Memory Type
FLASH
Eeprom Size
2K x 8
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-TQFP, 64-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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ATmega64(L)
• Bit 5 – ICF3: Timer/Counter3, Input Capture Flag
This flag is set when a capture event occurs on the ICP3 pin. When the Input Capture Register
(ICR3) is set by the WGM3:0 to be used as the TOP value, the ICF3 flag is set when the counter
reaches the TOP value.
ICF3 is automatically cleared when the Input Capture 3 Interrupt Vector is executed. Alterna-
tively, ICF3 can be cleared by writing a logic one to its bit location.
• Bit 4 – OCF3A: Timer/Counter3, Output Compare A Match Flag
This flag is set in the timer clock cycle after the counter (TCNT3) value matches the Output
Compare Register A (OCR3A).
Note that a Forced Output Compare (FOC3A) strobe will not set the OCF3A flag.
OCF3A is automatically cleared when the Output Compare Match 3 A Interrupt Vector is exe-
cuted. Alternatively, OCF3A can be cleared by writing a logic one to its bit location.
• Bit 3 – OCF3B: Timer/Counter3, Output Compare B Match Flag
This flag is set in the timer clock cycle after the counter (TCNT3) value matches the Output
Compare Register B (OCR3B).
Note that a Forced Output Compare (FOC3B) strobe will not set the OCF3B flag.
OCF3B is automatically cleared when the Output Compare Match 3 B Interrupt Vector is exe-
cuted. Alternatively, OCF3B can be cleared by writing a logic one to its bit location.
• Bit 2 – TOV3: Timer/Counter3, Overflow Flag
The setting of this flag is dependent of the WGM3:0 bits setting. In Normal and CTC modes, the
TOV3 flag is set when the timer overflows. Refer to
Table 52 on page 104
for the TOV3 flag
behavior when using another WGM3:0 bit setting.
TOV3 is automatically cleared when the Timer/Counter3 Overflow Interrupt Vector is executed.
Alternatively, OCF3B can be cleared by writing a logic one to its bit location.
• Bit 1 – OCF3C: Timer/Counter3, Output Compare C Match Flag
This flag is set in the timer clock cycle after the counter (TCNT3) value matches the Output
Compare Register C (OCR3C).
Note that a Forced Output Compare (FOC3C) strobe will not set the OCF3C flag.
OCF3C is automatically cleared when the Output Compare Match 3 C Interrupt Vector is exe-
cuted. Alternatively, OCF3C can be cleared by writing a logic one to its bit location.
• Bit 0 – OCF1C: Timer/Counter1, Output Compare C Match Flag
This flag is set in the timer clock cycle after the counter (TCNT1) value matches the Output
Compare Register C (OCR1C).
Note that a Forced Output Compare (FOC1C) strobe will not set the OCF1C flag.
OCF1C is automatically cleared when the Output Compare Match 1 C Interrupt Vector is exe-
cuted. Alternatively, OCF1C can be cleared by writing a logic one to its bit location.
143
2490Q–AVR–06/10
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