ATMEGA128RFA1-ZU Atmel, ATMEGA128RFA1-ZU Datasheet - Page 320

• 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

21.8 Timer/Counter Timing Diagrams
320
ATmega128RFA1
Table 17-4 shows the COM2x1:0 bit functionality when the WGM22:0 bits are set to
phase correct PWM mode.
Table 21-5. Compare Output Mode, Phase Correct PWM Mode
The following figures show the Timer/Counter in synchronous mode, and the timer clock
(clk
be replaced by the Timer/Counter Oscillator clock. The figures include information on
when Interrupt Flags are set.
Timer/Counter operation. The figure shows the count sequence close to the MAX value
in all modes other than phase correct PWM mode.
Figure 21-8. Timer/Counter Timing Diagram, no Prescaling
TCNTn
(clk
TOVn
clk
clk
Note:
Note:
COM2x1
COM2x1
I/O
I/O
Tn
T2
/1)
) is therefore shown as a clock enable signal. In asynchronous mode, clk
1
1
0
0
1
1
1. A special case occurs when OCR2x equals TOP and COM2x1 is set. In this case,
1. A special case occurs when OCR2x equals TOP and COM2x1 is set. In this case,
the Compare Match is ignored, but the set or clear is done at BOTTOM. See
PWM Mode" on
the Compare Match is ignored, but the set or clear is done at TOP. See
Correct PWM Mode" on
COM2x0
COM2x0
0
1
0
1
0
1
MAX - 1
Clear OC2x on Compare Match, set OC2x at BOTTOM, (non-
inverting mode).
Set OC2x on Compare Match, clear OC2x at BOTTOM, (inverting
mode).
Normal port operation, OC2x disconnected.
WGM22 = 0: Normal Port Operation, OC2A Disconnected.
WGM22 = 1: Toggle OC2A on Compare Match.
OC2B: not applicable, reserved function;
Clear OC2x on Compare Match when up-counting. Set OC2x on
Compare Match when down-counting.
Set OC2x on Compare Match when up-counting. Clear OC2x on
Compare Match when down-counting.
page 314.
Figure 21-8 below
page 315 for more details.
MAX
Description
Description
contains timing data for basic
BOTTOM
8266B-MCU Wireless-03/11
BOTTOM + 1
I/O
"Phase
should
"Fast