ATMEGA256RZAV-8MU Atmel, ATMEGA256RZAV-8MU Datasheet - Page 157

• Manufacturer Part Number: ATMEGA256RZAV-8MU
• Description: MCU ATMEGA2561/AT86RF230 64-QFN
• Manufacturer: Atmel
• Series: ATMEGAr

Specifications of ATMEGA256RZAV-8MU

• Frequency: 2.4GHz
• Modulation Or Protocol: 802.15.4 Zigbee
• Applications: ISM, ZigBee™
• Power - Output: 3dBm
• Sensitivity: -101dBm
• Voltage - Supply: 1.8 V ~ 3.6 V
• Current - Receiving: 15.5mA
• Current - Transmitting: 16.5mA
• Data Interface: PCB, Surface Mount
• Memory Size: 256kB Flash, 4kB EEPROM, 8kB RAM
• Antenna Connector: PCB, Surface Mount
• Package / Case: 64-QFN
• Wireless Frequency: 2.4 GHz
• Interface Type: JTAG, SPI
• Output Power: 3 dBm
• For Use With: ATAVRISP2 - PROGRAMMER AVR IN SYSTEMATJTAGICE2 - AVR ON-CHIP D-BUG SYSTEM
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Operating Temperature: -
• Data Rate - Maximum: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• For Use With/related Products: ATmega256

2549M–AVR–09/10
Figure 16-12
frequency correct PWM mode the OCRnx Register is updated at BOTTOM. The timing diagrams
will be the same, but TOP should be replaced by BOTTOM, TOP-1 by BOTTOM+1 and so on.
The same renaming applies for modes that set the TOVn Flag at BOTTOM.
Figure 16-12. Timer/Counter Timing Diagram, no Prescaling
Figure 16-13
Figure 16-13. Timer/Counter Timing Diagram, with Prescaler (f
(PC and PFC PWM)
and ICF n
and ICFn
(CTC and FPWM)
TOVn
(Update at TOP)
(PC and PFC PWM)
TOVn
(CTC and FPWM)
(Update at TOP)
TCNTn
TCNTn
OCRnx
as TOP)
(clk
TCNTn
TCNTn
OCRnx
(clk
as TOP)
clk
clk
clk
clk
I/O
I/O
shows the count sequence close to TOP in various modes. When using phase and
shows the same timing data, but with the prescaler enabled.
(FPWM)
(FPWM)
I/O
Tn
I/O
Tn
/8)
/1)
(if used
(if used
TOP - 1
TOP - 1
TOP - 1
TOP - 1
Old OCRnx Value
ATmega640/1280/1281/2560/2561
Old OCRnx Value
TOP
TOP
TOP
TOP
BOTTOM
BOTTOM
TOP - 1
TOP - 1
clk_I/O
New OCRnx Value
New OCRnx Value
/8)
BOTTOM + 1
BOTTOM + 1
TOP - 2
TOP - 2
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