ATmega16HVA Atmel Corporation, ATmega16HVA Datasheet - Page 84
ATmega16HVA
Manufacturer Part Number
ATmega16HVA
Description
Manufacturer
Atmel Corporation
Specifications of ATmega16HVA
Flash (kbytes)
16 Kbytes
Pin Count
28
Max. Operating Frequency
4 MHz
Cpu
8-bit AVR
# Of Touch Channels
3
Hardware Qtouch Acquisition
No
Max I/o Pins
6
Ext Interrupts
3
Usb Speed
No
Usb Interface
No
Spi
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
6
Adc Resolution (bits)
12
Adc Speed (ksps)
1.9
Resistive Touch Screen
No
Temp. Sensor
Yes
Crypto Engine
No
Sram (kbytes)
0.5
Eeprom (bytes)
256
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
No
Temp. Range (deg C)
-20 to 85
I/o Supply Class
1.8 to 9.0
Operating Voltage (vcc)
1.8 to 9.0
Fpu
No
Mpu / Mmu
no / no
Timers
2
Output Compare Channels
4
Input Capture Channels
2
32khz Rtc
No
Calibrated Rc Oscillator
Yes
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATmega16HVA-4TU
Manufacturer:
Atmel
Quantity:
20
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17.7
84
Output Compare Unit
ATmega8HVA/16HVA
cleared by software (writing a logical one to the I/O bit location). For measuring frequency only,
the trigger edge change is not required.
Table 17-3.
Note:
Table 17-4.
The comparator continuously compares the Timer/Counter (TCNTn) with the Output Compare
Registers (OCRnA and OCRnB), and whenever the Timer/Counter equals to the Output Com-
pare Registers, the comparator signals a match. A match will set the Output Compare Flag at
the next timer clock cycle. In 8-bit mode the match can set either the Output Compare Flag
OCFnA or OCFnB, but in 16-bit mode the match can set only the Output Compare Flag OCFnA
as there is only one Output Compare Unit. If the corresponding interrupt is enabled, the Output
Compare Flag generates an Output Compare interrupt. The Output Compare Flag is automati-
cally cleared when the interrupt is executed. Alternatively, the flag can be cleared by software by
writing a logical one to its I/O bit location.
Output Compare unit.
Figure 17-5. Output Compare Unit, Block Diagram
ICS0
ICS1
0
1
0
1
1. See
Timer/Counter0 Input Capture Source (ICS)
Timer/Counter1 Input Capture Source (ICS)
”OSI – Oscillator Sampling Interface” on page 28
Source
ICP00: osi_posedge pin from OSI module
ICP01: Port PC0
Source
ICP10: Battery Protection Interrupt
ICP11: Voltage Regulator Interrupt
OCRnx
=
(8/16-bit Comparator )
DATA BUS
OCFnx (Int.Req.)
Figure 17-5 on page 84
(1)
for details.
TCNTn
shows a block diagram of the
8024A–AVR–04/08
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