ATMEGA128RZBV-8AU Atmel, ATMEGA128RZBV-8AU Datasheet - Page 322
ATMEGA128RZBV-8AU
Manufacturer Part Number
ATMEGA128RZBV-8AU
Description
MCU ATMEGA1280/AT86RF230 100TQFP
Manufacturer
Atmel
Series
ATMEGAr
Datasheets
1.ATMEGA640V-8CU.pdf
(38 pages)
2.ATMEGA640V-8CU.pdf
(444 pages)
3.AT86RF230-ZU.pdf
(98 pages)
Specifications of ATMEGA128RZBV-8AU
Frequency
2.4GHz
Data Rate - Maximum
2Mbps
Modulation Or Protocol
802.15.4 Zigbee
Applications
General Purpose
Power - Output
3dBm
Sensitivity
-101dBm
Voltage - Supply
1.8 V ~ 3.6 V
Data Interface
PCB, Surface Mount
Memory Size
128kB Flash, 4kB EEPROM, 8kB RAM
Antenna Connector
PCB, Surface Mount
Package / Case
100-TQFP
Wireless Frequency
2.4 GHz
Interface Type
JTAG, SPI
Output Power
3 dBm
For Use With
ATAVRISP2 - PROGRAMMER AVR IN SYSTEMATSTK501 - ADAPTER KIT FOR 64PIN AVR MCUATSTK500 - PROGRAMMER AVR STARTER KIT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Operating Temperature
-
Current - Transmitting
-
Current - Receiving
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
For Use With/related Products
ATmega128
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28.5
2549M–AVR–09/10
Addressing the Flash During Self-Programming
The Z-pointer is used to address the SPM commands. The Z pointer consists of the Z-registers
ZL and ZH in the register file, and RAMPZ in the I/O space. The number of bits actually used is
implementation dependent. Note that the RAMPZ register is only implemented when the pro-
gram space is larger than 64 Kbytes.
Since the Flash is organized in pages (see
be treated as having two different sections. One section, consisting of the least significant bits, is
addressing the words within a page, while the most significant bits are addressing the pages.
This is shown in
addressed independently. Therefore it is of major importance that the Boot Loader software
addresses the same page in both the Page Erase and Page Write operation. Once a program-
ming operation is initiated, the address is latched and the Z-pointer can be used for other
operations.
The (E)LPM instruction use the Z-pointer to store the address. Since this instruction addresses
the Flash byte-by-byte, also bit Z0 of the Z-pointer is used.
Figure 28-3. Addressing the Flash During SPM
Note:
Bit
RAMPZ
ZH (R31)
ZL (R30)
Z - REGISTER
The different variables used in
PROGRAM MEMORY
BIT
RAMPZ7
Z15
Z7
PAGE
23
15
PROGRAM
COUNTER
7
15
Figure
PAGE ADDRESS
WITHIN THE FLASH
ZPCMSB
RAMPZ6
PCMSB
Z14
Z6
22
14
28-3. Note that the Page Erase and Page Write operations are
6
PCPAGE
ATmega640/1280/1281/2560/2561
RAMPZ5
Figure 28-3
Z13
Z5
21
13
5
ZPAGEMSB
PAGEMSB
Table 29-7 on page
PCWORD
RAMPZ4
Z12
are listed in
Z4
20
12
4
WORD ADDRESS
WITHIN A PAGE
(Note:)
1
0
0
RAMPZ3
INSTRUCTION WORD
Z11
Table 28-9 on page
19
11
Z3
3
PAGE
338), the Program Counter can
RAMPZ2
Z10
Z2
18
10
2
PCWORD[PAGEMSB:0]:
329.
00
01
02
PAGEEND
RAMPZ1
Z9
Z1
17
9
1
RAMPZ0
16
Z8
Z0
8
0
322
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