ATMEGA128RFA1-ZU Atmel, ATMEGA128RFA1-ZU Datasheet - Page 60
ATMEGA128RFA1-ZU
Manufacturer Part Number
ATMEGA128RFA1-ZU
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)
4.ATMEGA128RFA1-ZU.pdf
(524 pages)
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ATMEGA128RFA1-ZU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Company:
Part Number:
ATMEGA128RFA1-ZUR
Manufacturer:
ON
Quantity:
56 000
- ATMEGA128-16AU PDF datasheet
- ATAVR128RFA1-EK1 PDF datasheet #2
- ATAVR128RFA1-EK1 PDF datasheet #3
- ATMEGA128RFA1-ZU PDF datasheet #4
- Current page: 60 of 555
- Download datasheet (6Mb)
Figure 9-13. Example Timing of a TX_ARET Transaction
9.4.2.6 Interrupt Handling
60
FrameType
TRX_STATE
RX/TX
SLPTR
IRQ
Typ. Processing Delay
ATmega128RFA1
TX_ARET_ON
0
CSMA-CA
t
CSM A-CA
Note that if no ACK is expected (according to the content of the received frame in the
Frame Buffer), the radio transceiver issues a TRX24_TX_END interrupt directly after
the frame transmission has been completed. The value of the bits TRAC_STATUS of
register TRX_STATE is set to SUCCESS.
A value of MAX_CSMA_RETRIES = 7 initiates an immediate TX_ARET transaction
without performing CSMA-CA. This is required to support slotted acknowledgement
operation. Further the value MAX_FRAME_RETRIES is ignored and the TX_ARET
transaction is performed only once.
A timing example of a TX_ARET transaction is shown in
Here an example data frame of length 10 with an ACK request is transmitted, see
9-13 on
and expects an acknowledgement response. During the whole transaction including
frame transmit, wait for ACK and ACK receive the radio transceiver status register
TRX_STATUS signals BUSY_TX_ARET.
A successful reception of the acknowledgment frame is indicated by the
TRX24_TX_END interrupt. The status register TRX_STATUS changes back to
TX_ARET_ON. The TX_ARET status register TRAC_STATUS changes as well to
TRAC_STATUS = SUCCESS or TRAC_STATUS = SUCCESS_DATA_PENDING if the
frame pending subfield of the received ACK frame was set to 1.
The interrupt handling in the Extended Operating Mode is similar to the Basic Operating
Mode (see section
interrupts by setting the appropriate bit in register IRQ_MASK.
For RX_AACK and TX_ARET the following interrupts
about the status of a frame reception and transmission:
128
Note:
Value
16 µs
5
7
Data Frame (Length = 10, ACK=1)
page 61. After the transmission the radio transceiver switches to receive mode
1. t
CSMA-CA
Name
NO_ACK
INVALID
TX
TX
defines the random CSMA-CA processing time.
"Interrupt Handling" on
BUSY_TX_ARET
672
32 µs
x
Description
No acknowledgement frames were received
during all retry attempts
Entering TX_ARET mode sets
TRAC_STATUS = 7
page 39). The microcontroller enables
RX
RX
ACK Frame
(Table 9-13 on
Figure 9-13 below
x+352
8266B-MCU Wireless-03/11
TX_ARET_ON
RX_END
t
IRQ
page 61) inform
time [µs]
.
Table
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