ATmega329 Atmel Corporation, ATmega329 Datasheet - Page 310

• Manufacturer Part Number: ATmega329
• Manufacturer: Atmel Corporation

Specifications of ATmega329

• Flash (kbytes): 32 Kbytes
• Pin Count: 64
• Max. Operating Frequency: 16 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 16
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 54
• Ext Interrupts: 17
• Usb Speed: No
• Usb Interface: No
• Spi: 2
• Twi (i2c): 1
• Uart: 1
• Segment Lcd: 100
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 8
• Adc Resolution (bits): 10
• Adc Speed (ksps): 15
• Analog Comparators: 1
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 2
• Eeprom (bytes): 1024
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 1.8 to 5.5
• Operating Voltage (vcc): 1.8 to 5.5
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 3
• Output Compare Channels: 4
• Input Capture Channels: 1
• Pwm Channels: 4
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

27.7.3
Table 27-15. Serial Programming Instruction Set
310
Instruction/Operation
Programming Enable
Chip Erase (Program Memory/EEPROM)
Poll RDY/BSY
Load Instructions
Load Extended Address byte
Load Program Memory Page, High byte
Load Program Memory Page, Low byte
Load EEPROM Memory Page (page access)
Read Instructions
Read Program Memory, High byte
Read Program Memory, Low byte
Read EEPROM Memory
ATmega329/3290/649/6490
Serial Programming Instruction set
8. Power-off sequence (if needed):
Table 27-14. Minimum Wait Delay Before Writing the Next Flash or EEPROM Location
Figure 27-11. Serial Programming Waveforms
Table 27-15
(1)
Symbol
t
t
t
t
WD_FUSE
WD_FLASH
WD_EEPROM
WD_ERASE
Set RESET to “1”.
Turn V
SERIAL DATA OUTPUT
SERIAL CLOCK INPUT
SERIAL DATA INPUT
CC
and
power off.
SAMPLE
Figure 27-12 on page 312
(MOSI)
(MISO)
(SCK)
Byte 1
$AC
$AC
$4D
$C1
$F0
$A0
$48
$40
$28
$20
MSB
MSB
0000 00aa
0000 0aaa
adr MSB
adr MSB
Byte 2
describes the Instruction set.
$53
$80
$00
$00
$00
$00
$00
/
Instruction Format
Minimum Wait Delay
4.5ms
4.5ms
9.0ms
9.0ms
Extended adr
0000 00aa
0000 0aaa
aaaa aaaa
adr LSB
adr LSB
adr LSB
adr LSB
Byte 3
$00
$00
$00
/
high data byte out
low data byte out
high data byte in
low data byte in
data byte out
data byte out
data byte in
LSB
LSB
2552K–AVR–04/11
Byte4
$00
$00
$00