ATmega64RZAPV Atmel Corporation, ATmega64RZAPV Datasheet - Page 139

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ATmega64RZAPV

Manufacturer Part Number
ATmega64RZAPV
Description
Manufacturer
Atmel Corporation
Datasheets

Specifications of ATmega64RZAPV

Flash (kbytes)
64 Kbytes
Max. Operating Frequency
20 MHz
Max I/o Pins
32
Spi
3
Twi (i2c)
1
Uart
2
Adc Channels
8
Adc Resolution (bits)
10
Adc Speed (ksps)
15
Analog Comparators
1
Crypto Engine
No
Sram (kbytes)
4
Eeprom (bytes)
2048
Operating Voltage (vcc)
1.8 to 3.6
Timers
3
Frequency Band
2.4 GHz
Max Data Rate (mb/s)
0.25
Antenna Diversity
No
External Pa Control
No
Power Output (dbm)
3
Receiver Sensitivity (dbm)
-101
Receive Current Consumption (ma)
16.0
Transmit Current Consumption (ma)
17.0
Link Budget (dbm)
104
14. 8-bit Timer/Counter2 with PWM and Asynchronous Operation
14.1
14.2
8011O–AVR–07/10
Features
Overview
Timer/Counter2 is a general purpose, single channel, 8-bit Timer/Counter module.
A simplified block diagram of the 8-bit Timer/Counter is shown in Figure 13-12.. For the actual
placement of I/O pins, see
ing I/O bits and I/O pins, are shown in bold. The device-specific I/O Register and bit locations
are listed in the
The Power Reduction Timer/Counter2 bit, PRTIM2, in
page 48
Figure 14-1. 8-bit Timer/Counter Block Diagram
Single Channel Counter
Clear Timer on Compare Match (Auto Reload)
Glitch-free, Phase Correct Pulse Width Modulator (PWM)
Frequency Generator
10-bit Clock Prescaler
Overflow and Compare Match Interrupt Sources (TOV2, OCF2A and OCF2B)
Allows Clocking from External 32 kHz Watch Crystal Independent of the I/O Clock
must be written to zero to enable Timer/Counter2 module.
Status flags
”Register Description” on page
Timer/Counter
TCCRnA
OCRnA
TCNTn
OCRnB
=
=
”Pin Configurations” on page
Direction
Count
ASSRn
Clear
Synchronized Status flags
Control Logic
TOP
=
TCCRnB
asynchronous mode
Value
BOTTOM
Fixed
TOP
select (ASn)
clk
=
Tn
0
152.
ATmega164P/324P/644P
Prescaler
Synchronization Unit
OCnA
(Int.Req.)
OCnB
(Int.Req.)
Generation
Generation
2. CPU accessible I/O Registers, includ-
Waveform
Waveform
”PRR – Power Reduction Register” on
TOVn
(Int.Req.)
OCnA
OCnB
Oscillator
T/C
clk
I/O
clk
clk
I/O
ASY
TOSC1
TOSC2
139

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