ATMEGA128RFA1-ZUR Atmel, ATMEGA128RFA1-ZUR Datasheet - Page 58
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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9.4.2.5 TX_ARET_ON – Transmit with Automatic Retry and CSMA-CA Retry
Figure 9-12. Flow Diagram of TX_ARET
58
ATmega128RFA1
(s e e N o te 1 )
N
T R X _ S T A T E = B U S Y _ T X _ A R E T
N
N
T R X _ S T A T E = T X _ A R E T _ O N
T R A C _ S T A T U S = IN V A L ID
fra m e _ rc tr = fra m e _ rctr + 1
c sm a _ rc tr = c sm a _ rctr + 1
M A X _ F R A M E _ R E T R IE S
MAX_CSM A_RETRIES
T R A C _ S T A T U S =
R a n d o m B a c k -O ff
T ra n s m it F ra m e
A C K re q u e ste d
fra m e _ rctr = 0
cs m a _ rctr = 0
R e c e iv e A C K
u n til tim e o u t
fra m e _ rc tr >
A C K va lid
N O _ A C K
S ta rt T X
R e su lt
C C A
C C A
< 7
S u c ce ss
Y
Y
Y
Y
N
Y
F a ilu re
N
N
Y
S U C C E S S _ D A T A _ P E N D IN G
N o te 1 : If M A X _ C S M A _ R E T R IE S = 7 n o re try is
T R A C _ S T A T U S =
D a ta P e n d in g
p e rfo rm e d
Is su e T R X 2 4 _ T X _ E N D in te rru p t
MAX_CSMA_RETRIES
T R X _ S T A T E = T X _ A R E T _ O N
Y
c sm a _ rctr >
N
N
T R A C _ S T A T U S =
S U C C E S S
Y
C H A N N E L _ A C C E S S _ F A IL U R E
T R A C _ S T A T U S =
8266B-MCU Wireless-03/11
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