ATMEGA128RFA1-ZU Atmel, ATMEGA128RFA1-ZU Datasheet - Page 238

• Manufacturer Part Number: ATMEGA128RFA1-ZU
• Description: IC AVR MCU 2.4GHZ XCEIVER 64QFN
• Manufacturer: Atmel
• Series: ATMEGAr

Specifications of ATMEGA128RFA1-ZU

• Frequency: 2.4GHz
• Data Rate - Maximum: 2Mbps
• Modulation Or Protocol: 802.15.4 Zigbee
• Applications: General Purpose
• Power - Output: 3.5dBm
• Sensitivity: -100dBm
• Voltage - Supply: 1.8 V ~ 3.6 V
• Current - Receiving: 12.5mA
• Current - Transmitting: 14.5mA
• Data Interface: PCB, Surface Mount
• Memory Size: 128kB Flash, 4kB EEPROM, 16kB RAM
• Antenna Connector: PCB, Surface Mount
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-VFQFN, Exposed Pad
• Rf Ic Case Style: QFN
• No. Of Pins: 64
• Supply Voltage Range: 1.8V To 3.6V
• Operating Temperature Range: -40°C To +85°C
• Svhc: No SVHC (15-Dec-2010)
• Rohs Compliant: Yes
• Processor Series: ATMEGA128x
• Core: AVR8
• Data Bus Width: 8 bit
• Program Memory Type: Flash
• Program Memory Size: 128 KB
• Data Ram Size: 16 KB
• Interface Type: JTAG
• Maximum Clock Frequency: 16 MHz
• Number Of Programmable I/os: 38
• Number Of Timers: 6
• Operating Supply Voltage: 1.8 V to 3.6 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: EWAVR, EWAVR-BL
• Development Tools By Supplier: ATAVR128RFA1-EK1
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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ATmega128RFA1
Figure 17-9 shows the same timing data, but with the prescaler enabled.
Figure 17-9. Timer/Counter Timing Diagram with Prescaler (f
Figure 17-10 shows the setting of OCF0B and OCF0A in all modes except CTC and
PWM mode, where OCR0A is TOP.
Figure 17-10. Timer/Counter Timing Diagram, setting of OCF0x with Prescaler (f
Figure 17-11 shows the setting of OCF0A and the clearing of TCNT0 in CTC mode and
fast PWM mode where OCR0A is TOP.
Figure 17-11. Timer/Counter Timing Diagram, Clear Timer on Compare Match mode
TCNTn
(clk
(CTC)
OCRnx
OCFnx
clk
clk
TCNTn
TCNTn
(clk
(clk
OCRnx
OCFnx
TOVn
clk
clk
clk
clk
I/O
I/O
I/O
I/O
Tn
I/O
I/O
Tn
Tn
/8)
/8)
/8)
with Prescaler (f
TOP - 1
OCRnx - 1
MAX - 1
clk_I/O
/8)
TOP
OCRnx
MAX
TOP
OCRnx Value
BOTTOM
OCRnx + 1
BOTTOM
clk_I/O
/8)
8266B-MCU Wireless-03/11
BOTTOM + 1
BOTTOM + 1
OCRnx + 2
clk_I/O
/8)