ATmega16HVA Atmel Corporation, ATmega16HVA Datasheet - Page 77
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. Timer/Counter(T/C0,T/C1)
17.1
17.2
8024A–AVR–04/08
Features
Overview
•
•
•
•
•
Timer/Counter n is a general purpose 8-/16-bit Timer/Counter module, with one/two Output
Compare units and Input Capture functionality.
ATmega8HVA/16HVA has two Timer/Counters, Timer/Counter0 and Timer/Counter1. The func-
tionality for both Timer/Counters is described below. Timer/Counter0 and Timer/Counter1 have
different Timer/Counter registers, as shown in
The Timer/Counter general operation is described in 8-/16-bit mode. A simplified block diagram
of the 8-/16-bit Timer/Counter is shown in
I/O bits and I/O pins, are shown in bold. The device-specific I/O Register and bit locations are
listed in the
Figure 17-1. 8-/16-bit Timer/Counter Block Diagram
Clear Timer on Compare Match (Auto Reload)
Input Capture unit
Four Independent Interrupt Sources (TOVn, OCFnA, OCFnB, ICFn)
8-bit Mode with Two Independent Output Compare Units
16-bit Mode with One Independent Output Compare Unit
”Register Description” on page
TCCRnA
TCNTnH
OCRnB
=
Timer/Counter
Direction
Count
Clear
TCNTnL
TCCRnB
OCRnA
=
Control Logic
Figure
90.
”Register Summary” on page
TOP
17-1. CPU accessible I/O Registers, including
Detector
Edge
clk
ATmega8HVA/16HVA
=
Tn
Canceler
Fixed TOP value
( From Prescaler )
Noise
Clock Select
Detector
Edge
TOVn (Int. Req.)
175.
OCnA (Int. Req.)
OCnB (Int. Req.)
ICFn (Int. Req.)
ICPn1
ICPn0
Tn
77
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