ATMEGA128RFA1-ZUR Atmel, ATMEGA128RFA1-ZUR Datasheet - Page 279
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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Self-Programming
the Flash
2467V–AVR–02/11
Figure 134. Addressing the Flash During SPM
Notes:
The program memory is updated in a page by page fashion. Before programming a page with
the data stored in the temporary page buffer, the page must be erased. The temporary page buf-
fer is filled one word at a time using SPM and the buffer can be filled either before the page
erase command or between a page erase and a page write operation:
Alternative 1, fill the buffer before a page erase
•
•
•
Alternative 2, fill the buffer after page erase
•
•
•
If only a part of the page needs to be changed, the rest of the page must be stored (for example
in the temporary page buffer) before the erase, and then be rewritten. When using alternative 1,
the Boot Loader provides an effective Read-Modify-Write feature which allows the user software
to first read the page, do the necessary changes, and then write back the modified data. If alter-
native 2 is used, it is not possible to read the old data while loading since the page is already
erased. The temporary page buffer can be accessed in a random sequence. It is essential that
the page address used in both the page erase and page write operation is addressing the same
page. See
code example.
Fill temporary page buffer
Perform a page erase
Perform a page write
Perform a page erase
Fill temporary page buffer
Perform a page write
1. The different variables used in
2. PCPAGE and PCWORD are listed in
RAMPZ
PROGRAM
COUNTER
PROGRAM MEMORY
“Simple Assembly Code Example for a Boot Loader” on page 282
PAGE
PCMSB
PAGE ADDRESS
WITHIN THE FLASH
BIT
15
ZPCMSB
PCPAGE
Figure 134
Table 124 on page
PAGEMSB
ZPAGEMSB
(1)
WORD ADDRESS
WITHIN A PAGE
PCWORD
are listed in
INSTRUCTION WORD
1
Table 114 on page
PAGE
0
0
291.
Z - REGISTER
ATmega128
PCWORD[PAGEMSB:0]:
00
01
02
PAGEEND
285.
for an assembly
279
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