ATmega1284PR231 Atmel Corporation, ATmega1284PR231 Datasheet - Page 288
ATmega1284PR231
Manufacturer Part Number
ATmega1284PR231
Description
Manufacturer
Atmel Corporation
Datasheets
1.AT86RF231.pdf
(198 pages)
2.ATMEGA1284PR231.pdf
(380 pages)
3.ATMEGA1284PR231.pdf
(20 pages)
Specifications of ATmega1284PR231
Flash (kbytes)
128 Kbytes
Max. Operating Frequency
20 MHz
Max I/o Pins
32
Spi
3
Twi (i2c)
1
Uart
2
Adc Channels
8
Adc Resolution (bits)
10
Adc Speed (ksps)
15
Analog Comparators
1
Crypto Engine
AES
Sram (kbytes)
16
Eeprom (bytes)
4096
Operating Voltage (vcc)
1.8 to 3.6
Timers
3
Frequency Band
2.4 GHz
Max Data Rate (mb/s)
2
Antenna Diversity
Yes
External Pa Control
Yes
Power Output (dbm)
3
Receiver Sensitivity (dbm)
-101
Receive Current Consumption (ma)
13.2
Transmit Current Consumption (ma)
14.4
Link Budget (dbm)
104
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24.8.14
In
Table 24-7.
Note:
Table 24-8.
Note:
Table 24-9.
Note:
See
Programming.
8059D–AVR–11/09
BOOTSZ1
Section
Read-While-Write section (RWW)
No Read-While-Write section (NRWW)
Variable
PCMSB
PAGEMSB
ZPCMSB
ZPAGEMSB
PCPAGE
PCWORD
Table 24-7
”Addressing the Flash During Self-Programming” on page 281
1
1
0
0
1. The different BOOTSZ Fuse configurations are shown in
1. For details about these two section, see
1. Z0: should be zero for all SPM commands, byte select for the (E)LPM instruction.
ATmega1284P Boot Loader Parameters
Write Section” on page
BOOTSZ0
through
Boot Size Configuration
Read-While-Write Limit
Explanation of different variables used in
1
0
1
0
PC[15:7]
PC[6:0]
Table
15
6
Boot Size
1024 words
2048 words
4096 words
512 words
24-9, the parameters used in the description of the Self-Programming are given.
277.
Correspondi
Z-value
Z16:Z8
Z7:Z1
Z16
(1)
ng
Z7
(1)
Pages
16
32
4
8
”NRWW – No Read-While-Write Section” on page 277
Application
Flash Section
0x0000 - 0xFDFF
0x0000 - 0xFBFF
0x0000 - 0xF7FF
0x0000 - 0xEFFF
Description
Most significant bit in the Program Counter. (The Program Counter is 16 bits
PC[15:0])
Most significant bit which is used to address the words within one page (128
words in a page requires seven bits PC [6:0]).
Bit in Z-pointer that is mapped to PCMSB. Because Z0 is not used, the ZPCMSB
equals PCMSB + 1.
Bit in Z-pointer that is mapped to PCMSB. Because Z0 is not used, the
ZPAGEMSB equals PAGEMSB + 1.
Program Counter page address: Page select, for Page Erase and Page Write
Program Counter word address: Word select, for filling temporary buffer (must be
zero during Page Write operation)
Figure 24-3 on page 281
(1)
Figure 24-2 on page
Pages
480
32
Boot Loader
Flash Section
0xFE00 - 0xFFFF
0xFC00 - 0xFFFF
0xF800 - 0xFFFF
0xF000 - 0xFFFF
for details about the use of Z-pointer during Self-
279.
and the mapping to the Z-pointer
End Application
Section
0xFDFF
0xFBFF
0xF7FF
0xEFFF
Address
0x0000 - 0xEFFF
0xF000 - 0xFFFF
ATmega1284P
and
”RWW – Read-While-
Boot Reset
Address
(Start Boot
Loader Section)
0xFE00
0xFC00
0xF800
0xF000
288
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