ATmega1284RZAP Atmel Corporation, ATmega1284RZAP Datasheet - Page 299
ATmega1284RZAP
Manufacturer Part Number
ATmega1284RZAP
Description
Manufacturer
Atmel Corporation
Specifications of ATmega1284RZAP
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
No
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)
0.25
Antenna Diversity
No
External Pa Control
No
Power Output (dbm)
3
Receiver Sensitivity (dbm)
-101
Receive Current Consumption (ma)
16.0
Transmit Current Consumption (ma)
17.0
Link Budget (dbm)
104
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25.7.5
8059D–AVR–11/09
Programming the EEPROM
K. End Page Programming
1. 1. Set XA1, XA0 to “10”. This enables command loading.
2. Set DATA to “0000 0000”. This is the command for No Operation.
3. Give XTAL1 a positive pulse. This loads the command, and the internal write signals are
Figure 25-2. Addressing the Flash Which is Organized in Pages
Note:
Figure 25-3. Programming the Flash Waveforms
Note:
The EEPROM is organized in pages, see
EEPROM, the program data is latched into a page buffer. This allows one page of data to be
reset.
RESET +12V
RDY/BSY
PAGEL
XTAL1
1. PCPAGE and PCWORD are listed in
DATA
1. “XX” is don’t care. The letters refer to the programming description above.
XA1
XA0
BS1
BS2
WR
OE
PROGRAM MEMORY
0x10
PROGRAM
COUNTER
A
PAGE
ADDR. LOW
PAGE ADDRESS
WITHIN THE FLASH
B
PCMSB
DATA LOW
C
PCPAGE
DATA HIGH
D
XX
E
ADDR. LOW
B
PAGEMSB
PCWORD
Table 25-8 on page
Table 25-7 on page
DATA LOW
C
WORD ADDRESS
WITHIN A PAGE
(1)
F
DATA HIGH
D
INSTRUCTION WORD
XX
E
PAGE
ADDR. HIGH
294.
G
(1)
294. When programming the
ADDR. EXT.H
ATmega1284P
H
I
XX
PCWORD[PAGEMSB:0]:
00
01
02
PAGEEND
299
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