
552
42073A-MCU Wireless-02/13
ATmega2564/1284/644RFR2
35.5 Power Supply Currents (RF transceiver in SLEEP mode)
Test Conditions: TOP = 25°C, VDD =3.0V (unless otherwise stated)
Symbol
Parameter
Condition / AVR mode
Min
Typ
Max
Units
ISUPPLY
Power Supply Current
(PRR0=0xFF, PRR1=0x3F,
16MHz RC Oscillator selected)
Standby mode
0.31
mA
Idle 1MHz
0.45
mA
Idle 8MHz
0.8
mA
Idle 16MHz
1.1
mA
Active 1MHz
0.8
mA
Active 8MHz
2.5
mA
Active 16MHz
3.7
mA
Power Supply Current
(PRR0=0x00, PRR1=0x00)
Active, 16MHz RC Oscillator
4.0
mA
Active, 16MHz Crystal Oscillator
4.5
mA
Active, external 16MHz clock on CLKI
4.5
mA
Test Conditions: TOP = 25°C, VDD =3.0V (unless otherwise stated)
Symbol
Parameter
Condition
Min
Typ
Max
Units
IDS0
Power Supply current in
DEEP_SLEEP
(Transceiver in SLEEP mode, AVR
in Power Save/Down mode)
AVR in Power Down mode WDT disabled
0.75
A
IDS_PDW
Power Down mode, WDT enabled
1.4
A
IDS_PSX
Power Save mode, 32.768kHz crystal
oscillator enabled
1.5
A
IDS_PSWX
Power Save mode, WDT and 32.768kHz
crystal oscillator enabled
2.15
A
Test Conditions: VDD =3.0V (unless otherwise stated)
Symbol
Parameter
Condition
Min
Typ
Max
Units
IDS0T
DEEP_SLEEP current (Transceiver
in SLEEP mode, AVR in Power
Save/Down mode, WDT disabled)
T = 25 °C
0.75
A
T = 85 °C
3.0
A
T = 125 °C
19.6
A
35.6 Clock Characteristics
35.6.1 Calibrated Internal RC Oscillator Accuracy
Table 35-2. Calibration Accuracy of Internal RC Oscillator
Frequency
VDEVDD
Temperature
Calibration Accuracy
Factory Calibration
16 MHz
3.0V
25°C
± 10 %
User Calibration
15.1 – 17.5MHz
1.8V – 3.6V
-40°C - 125°C
± 1 %
35.6.2 32.768kHz Crystal Oscillator
Symbol
Parameter
Condition
Min.
Typ.
Max.
Units
f0
Crystal frequency
32.768
kHz
CEXT32
External load capacitor to ground
CEXT32 = 2(CLOAD32 – CPAR32 – CPAR_PCB)
see Application schematic CX3, CX4
20.0
pF