ATMEGA16HVA-4CKU Atmel, ATMEGA16HVA-4CKU Datasheet - Page 93
ATMEGA16HVA-4CKU
Manufacturer Part Number
ATMEGA16HVA-4CKU
Description
MCU AVR 16K FLASH 4MHZ 36-LGA
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheet
1.ATMEGA16HVA-4CKU.pdf
(196 pages)
Specifications of ATMEGA16HVA-4CKU
Core Processor
AVR
Core Size
8-Bit
Speed
4MHz
Connectivity
SPI
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
7
Program Memory Size
16KB (8K x 16)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 9 V
Data Converters
A/D 5x12b
Oscillator Type
External
Operating Temperature
-20°C ~ 85°C
Package / Case
36-LGA
Processor Series
ATMEGA16x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
512 B
Interface Type
SPI
Maximum Clock Frequency
4 MHz
Number Of Programmable I/os
6
Number Of Timers
2
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWAVR, EWAVR-BL
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT, ATAVRSB200, ATAVRSB201
Minimum Operating Temperature
- 20 C
On-chip Adc
12 bit, 5 Channel
For Use With
ATSTK600 - DEV KIT FOR AVR/AVR32ATSTK500 - PROGRAMMER AVR STARTER KIT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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17.10.7
8024A–AVR–04/08
TIFRn – Timer/Counter n Interrupt Flag Register
• Bits 3 – ICFn: Timer/Counter n Input Capture Flag
This flag is set when a capture event occurs, according to the setting of ICENn, ICESn and ICSn
bits in the TCCRnA Register.
ICFn is automatically cleared when the Input Capture Interrupt Vector is executed. Alternatively,
ICFn can be cleared by writing a logic one to its bit location.
• Bit 2 – OCFnB: Output Compare Flag n B
The OCFnB bit is set when a Compare Match occurs between the Timer/Counter and the data in
OCRnB – Output Compare Register n B. OCFnB is cleared by hardware when executing the
corresponding interrupt handling vector. Alternatively, OCFnB is cleared by writing a logic one to
the flag. When the I-bit in SREG, OCIEnB (Timer/Counter Compare B Match Interrupt Enable),
and OCFnB are set, the Timer/Counter Compare Match Interrupt is executed.
The OCFnB is not set in 16-bit Output Compare mode when the Output Compare Register
OCRnB is used as the high byte of the 16-bit Output Compare Register or in 16-bit Input Cap-
ture mode when the Output Compare Register OCRnB is used as the high byte of the Input
Capture Register.
• Bit 1– OCFnA: Output Compare Flag n A
The OCFnA bit is set when a Compare Match occurs between the Timer/Counter n and the data
in OCRnA – Output Compare Register n. OCFnA is cleared by hardware when executing the
corresponding interrupt handling vector. Alternatively, OCFnA is cleared by writing a logic one to
the flag. When the I-bit in SREG, OCIEnA (Timer/Counter n Compare Match Interrupt Enable),
and OCFnA are set, the Timer/Counter n Compare Match Interrupt is executed.
The OCFnA is also set in 16-bit mode when a Compare Match occurs between the
Timer/Counter n and 16-bit data in OCRnB/A. The OCFnA is not set in Input Capture mode
when the Output Compare Register OCRnA is used as an Input Capture Register.
• Bit 0 – TOVn: Timer/Counter n Overflow Flag
The bit TOVn is set when an overflow occurs in Timer/Counter n. TOVn is cleared by hardware
when executing the corresponding interrupt handling vector. Alternatively, TOVn is cleared by
writing a logic one to the flag. When the SREG I-bit, TOIEn (Timer/Counter n Overflow Interrupt
Enable), and TOVn are set, the Timer/Counter n Overflow interrupt is executed.
Bit
Read/Write
Initial Value
R
7
0
-
R
6
0
-
R
5
0
-
R
4
0
-
ICFn
R/W
3
0
ATmega8HVA/16HVA
OCFnB
R/W
2
0
OCFnA
R/W
1
0
TOVn
R/W
0
0
TIFRn
93
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