ATmega64RZAPV Atmel Corporation, ATmega64RZAPV Datasheet - Page 34
ATmega64RZAPV
Manufacturer Part Number
ATmega64RZAPV
Description
Manufacturer
Atmel Corporation
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
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6.5
8011O–AVR–07/10
Low Frequency Crystal Oscillator
Table 6-6.
Notes:
The Low-frequency Crystal Oscillator is optimized for use with a 32.768 kHz watch crystal.
When selecting crystals, load capasitance and crystal’s Equivalent Series Resistance, ESR
must be taken into consideration. Both values are specified by the crystal vendor.
ATmega164P/324P/644P oscillator is optimized for very low power consumption, and thus when
selecting crystals, see
12.5 pF crystals
Table 6-7.
Note:
The Low-frequency Crystal Oscillator provides an internal load capacitance,
page 34
Table 6-8.
Oscillator Source /
Power Conditions
Ceramic resonator, fast
rising power
Ceramic resonator, slowly
rising power
Crystal Oscillator, BOD
enabled
Crystal Oscillator, fast
rising power
Crystal Oscillator, slowly
rising power
ATmega164P/324P/644P
1. These options should only be used when not operating close to the maximum frequency of the
2. These options are intended for use with ceramic resonators and will ensure frequency stability
1. Maximum ESR is typical value based on characterization
at each TOSC pin.
Device
device, and only if frequency stability at start-up is not important for the application. These
options are not suitable for crystals.
at start-up. They can also be used with crystals when not operating close to the maximum fre-
quency of the device, and if frequency stability at start-up is not important for the application.
Start-up Times for the Full Swing Crystal Oscillator Clock Selection
Maximum ESR Recommendation for 32.768 kHz Watch Crystal
Capasitance for Low-frequency Oscillator.
Crystal CL (pF)
12.5
9.0
Table 6-7 on page 34
Start-up Time from
Power-down and
32 kHz Osc. Type
Power-save
System Osc.
Timer Osc.
16K CK
16K CK
16K CK
1K CK
1K CK
for maximum ESR recommendations on 9 pF and
ATmega164P/324P/644P
Additional Delay
Cap(Xtal1/Tosc1)
14CK + 4.1 ms
14CK + 65 ms
14CK + 4.1 ms
14CK + 65 ms
(V
from Reset
CC
14CK
18 pF
6 pF
= 5.0V)
Max ESR [kΩ]
(2)
(2)
65
30
CKSEL0
Cap(Xtal2/Tosc2)
(1)
0
1
1
1
1
seeTable 6-8 on
8 pF
6 pF
SUT1..0
11
00
01
10
11
34
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