ATmega1284RZAP Atmel Corporation, ATmega1284RZAP Datasheet - Page 46
ATmega1284RZAP
Manufacturer Part Number
ATmega1284RZAP
Description
Manufacturer
Atmel Corporation
Specifications of ATmega1284RZAP
Flash (kbytes)
128 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)
16
Eeprom (bytes)
4096
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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8.12.2
8.12.3
8.12.4
8059D–AVR–11/09
MCUCR – MCU Control Register
PRR1 – Power Reduction Register 1
PRR0 – Power Reduction Register 0
• Bit 6 – BODS: BOD Sleep
The BODS bit must be written to logic one in order to turn off BOD during sleep, see
on page
BODSE in MCUCR. To disable BOD in relevant sleep modes, both BODS and BODSE must first
be set to one. Then, to set the BODS bit, BODS must be set to one and BODSE must be set to
zero within four clock cycles.
The BODS bit is active three clock cycles after it is set. A sleep instruction must be executed
while BODS is active in order to turn off the BOD for the actual sleep mode. The BODS bit is
automatically cleared after three clock cycles.
• Bit 5 – BODSE: BOD Sleep Enable
BODSE enables setting of BODS control bit, as explained in BODS bit description. BOD disable
is controlled by a timed sequence.
• Bit 7:1 - Res: Reserved
• Bit 0 - PRTIM3: Power Reduction Timer/Counter3
Writing a logic one to this bit shuts down the Timer/Counter3 module. When the Timer/Counter3
is enabled, operation will continue like before the shutdown.
• Bit 7 - PRTWI: Power Reduction TWI
Writing a logic one to this bit shuts down the TWI by stopping the clock to the module. When
waking up the TWI again, the TWI should be re initialized to ensure proper operation.
• Bit 6 - PRTIM2: Power Reduction Timer/Counter2
Writing a logic one to this bit shuts down the Timer/Counter2 module in synchronous mode (AS2
is 0). When the Timer/Counter2 is enabled, operation will continue like before the shutdown.
Bit
0x35 (0x55)
Read/Write
Initial Value
Bit
(0x65)
Read/Write
Initial Value
Bit
(0x64)
Read/Write
Initial Value
40. Writing to the BODS bit is controlled by a timed sequence and an enable bit,
PRTWI
R/W
JTD
R/W
7
0
R
7
0
7
0
-
PRTIM2
R/W
BODS
6
0
R
R
6
0
6
0
-
PRTIM0
R/W
BODSE
5
0
R
5
0
R
-
5
0
PRUSART1
R/W
4
0
PUD
R/W
R
4
0
-
0
4
PRTIM1
R/W
R
3
0
-
3
0
R
3
–
0
PRSPI
R/W
2
0
R
R
2
0
2
–
0
-
ATmega1284P
PRUSART0
IVSEL
R/W
R/W
1
0
1
0
R
1
0
-
IVCE
R/W
PRTIM3
PRADC
0
0
R/W
R/W
0
0
0
0
Table 8-1
MCUCR
PRR1
PRR0
46
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