ATMEGA329V-8AUR Atmel, ATMEGA329V-8AUR Datasheet - Page 303
ATMEGA329V-8AUR
Manufacturer Part Number
ATMEGA329V-8AUR
Description
MCU AVR 32K FLASH 8MHZ 100TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA329V-8AUR
Core Processor
AVR
Core Size
8-Bit
Speed
8MHz
Connectivity
SPI, UART/USART, USI
Peripherals
Brown-out Detect/Reset, LCD, POR, PWM, WDT
Number Of I /o
54
Program Memory Size
32KB (16K x 16)
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
1.8 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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Manufacturer
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27.6.6
27.6.7
27.6.8
27.6.9
2552K–AVR–04/11
Reading the Flash
Reading the EEPROM
Programming the Fuse Low Bits
Programming the Fuse High Bits
Figure 27-4. Programming the EEPROM Waveforms
The algorithm for reading the Flash memory is as follows (refer to
page 300
1. A: Load Command “0000 0010”.
2. G: Load Address High Byte (0x00 - 0xFF).
3. B: Load Address Low Byte (0x00 - 0xFF).
4. Set OE to “0”, and BS1 to “0”. The Flash word low byte can now be read at DATA.
5. Set BS1 to “1”. The Flash word high byte can now be read at DATA.
6. Set OE to “1”.
The algorithm for reading the EEPROM memory is as follows (refer to
on page 300
1. A: Load Command “0000 0011”.
2. G: Load Address High Byte (0x00 - 0xFF).
3. B: Load Address Low Byte (0x00 - 0xFF).
4. Set OE to “0”, and BS1 to “0”. The EEPROM Data byte can now be read at DATA.
5. Set OE to “1”.
The algorithm for programming the Fuse Low bits is as follows (refer to
on page 300
1. A: Load Command “0100 0000”.
2. C: Load Data Low Byte. Bit n = “0” programs and bit n = “1” erases the Fuse bit.
3. Give WR a negative pulse and wait for RDY/BSY to go high.
The algorithm for programming the Fuse High bits is as follows (refer to
Flash” on page 300
RESET +12V
RDY/BSY
PAGEL
XTAL1
DATA
XA1
XA0
BS1
BS2
WR
OE
for details on Command and Address loading):
for details on Command and Address loading):
for details on Command and Data loading):
0x11
A
for details on Command and Data loading):
ADDR. HIGH
G
ADDR. LOW
B
DATA
C
ATmega329/3290/649/6490
XX
E
ADDR. LOW
B
DATA
C
K
XX
E
“Programming the Flash” on
“Programming the Flash”
“Programming the Flash”
L
“Programming the
303
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