ATMEGA64A-MN Atmel, ATMEGA64A-MN Datasheet - Page 303
ATMEGA64A-MN
Manufacturer Part Number
ATMEGA64A-MN
Description
IC MCU AVR 64K FLASH 8QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheet
1.ATMEGA64A-AU.pdf
(392 pages)
Specifications of ATMEGA64A-MN
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
53
Program Memory Size
64KB (32K x 16)
Program Memory Type
FLASH
Eeprom Size
2K x 8
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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27.6.5
8160C–AVR–07/09
Programming the EEPROM
Figure 27-2. Addressing the Flash which is Organized in Pages
Note:
Figure 27-3. 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
programmed simultaneously. The programming algorithm for the EEPROM data memory is as
follows (refer to
Data loading):
RESET +12V
RDY/BSY
1. PCPAGE and PCWORD are listed in
1. “XX” is don’t care. The letters refer to the programming description above.
PAGEL
XTAL1
DATA
PROGRAM MEMORY
XA1
XA0
BS1
BS2
WR
OE
PROGRAM
COUNTER
PAGE
“Programming the Flash” on page 301
$10
A
PAGE ADDRESS
WITHIN THE FLASH
ADDR. LOW
PCMSB
B
DATA LOW
PCPAGE
C
DATA HIGH
D
XX
E
PAGEMSB
Table 27-10 on page
PCWORD
ADDR. LOW
Table 27-9 on page 300
B
WORD ADDRESS
WITHIN A PAGE
DATA LOW
(1)
C
F
INSTRUCTION WORD
DATA HIGH
for details on Command, Address and
D
PAGE
E
XX
(1)
ADDR. HIGH
300. When programming the
G
.
ATmega64A
XX
H
PCWORD[PAGEMSB:0]:
00
01
02
PAGEEND
303
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