ATMEGA128RFA1-ZUR Atmel, ATMEGA128RFA1-ZUR Datasheet - Page 44
ATMEGA128RFA1-ZUR
Manufacturer Part Number
ATMEGA128RFA1-ZUR
Description
IC AVR MCU 2.4GHZ XCEIVER 64QFN
Manufacturer
Atmel
Series
ATMEGAr
Datasheets
1.ATMEGA128-16AU.pdf
(385 pages)
2.ATAVR128RFA1-EK1.pdf
(13 pages)
3.ATAVR128RFA1-EK1.pdf
(555 pages)
Specifications of ATMEGA128RFA1-ZUR
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
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATMEGA128RFA1-ZUR
Manufacturer:
ON
Quantity:
56 000
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9.4.2 Extended Operating Mode
44
No
24
25
26
27
28
29
Symbol Block
t
t
t
t
t
t
TR24
TR25
TR26
TR27
TR28
TR29
ATmega128RFA1
PLL, TX
RSSI, update
ED
SHR, sync
CCA
Random value
RX
Time [µs], (typ)
The Extended Operating Mode is a hardware MAC accelerator and goes beyond the
basic radio transceiver functionality provided by the Basic Operating Mode. It handles
time critical MAC tasks requested by the IEEE 802.15.4 standard or by hardware such
as automatic acknowledgement, automatic CSMA-CA and retransmission. This results
in a more efficient IEEE 802.15.4 software MAC implementation including reduced code
size and may allow operating at lower microcontroller clock rates.
The Extended Operating Mode is designed to support IEEE 802.15.4-2006 compliant
frames; the mode is backward compatible to IEEE 802.15.4-2003 and supports non
IEEE 802.15.4 compliant frames. This mode comprises the following procedures:
Automatic acknowledgement (RX_AACK) divides into the tasks:
• Frame reception and automatic FCS check;
• Configurable addressing fields check;
• Interrupt indicating address match;
• Interrupt indicating frame reception, if it passes address filtering and FCS check;
• Automatic ACK frame transmission (if the received frame passed the address filter
• Support of slotted acknowledgment using SLPTR bit for frame start.
Automatic CSMA-CA and Retransmission (TX_ARET) divides into the tasks:
• CSMA-CA including automatic CCA retry and random back-off;
• Frame transmission and automatic FCS field generation;
• Reception of ACK frame (if an ACK was requested);
• Automatic frame retry if ACK was expected but not received;
• Interrupt signaling with transaction status.
Automatic FCS check and generation (refer to
page 67)
automatic FCS check is always performed for incoming frames.
An ACK received in TX_ARET mode within the time required by IEEE 802.15.4 is
accepted if the FCS is valid and if the sequence number of the ACK matches the
sequence number of the previously transmitted frame. Dependent on the value of the
and FCS check and if an ACK is required by the frame type and ACK request);
96
is used by the RX_AACK and TX_ARET modes. In RX_AACK mode an
140
140
32
2
1
Time [µs], (max) Comments
Maximum PLL settling time TX
RSSI update period in receive states, refer to
RSSI" on page 69
ED measurement period, refer to
Description" on page 70
Typical
"Measurement Description" on page 70
CCA measurement period, refer to
CCA Request" on page 72
Random value update period, refer to
Number Generator" on page 86
SHR
synchronization
"Frame Check Sequence (FCS)" on
RX
8266B-MCU Wireless-03/11
period,
"Configuration and
"Measurement
refer
"Random
"Reading
to
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