ATmega3290A Atmel Corporation, ATmega3290A Datasheet - Page 328
ATmega3290A
Manufacturer Part Number
ATmega3290A
Description
Manufacturer
Atmel Corporation
Specifications of ATmega3290A
Flash (kbytes)
32 Kbytes
Pin Count
100
Max. Operating Frequency
20 MHz
Cpu
8-bit AVR
# Of Touch Channels
16
Hardware Qtouch Acquisition
No
Max I/o Pins
69
Ext Interrupts
32
Usb Speed
No
Usb Interface
No
Spi
2
Twi (i2c)
1
Uart
1
Segment Lcd
160
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
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28.8.3
Table 28-16. Serial Programming Instruction Set
8284D–AVR–6/11
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
Read Lock bits
Read Signature Byte
Read Fuse bits
Read Fuse High bits
Read Extended Fuse Bits
Read Calibration Byte
Write Instructions
Write Program Memory Page
Serial Programming Instruction set
(6)
ATmega169A/PA/329A/PA/3290A/PA/649A/P/6490A/P
Figure 28-11. Serial Programming Waveforms
Table 28-16
(1)
SERIAL DATA OUTPUT
SERIAL CLOCK INPUT
SERIAL DATA INPUT
and
SAMPLE
Figure 28-12 on page 330
(MOSI)
(MISO)
(SCK)
Byte 1
$AC
$AC
$4D
$C1
$A0
$4C
$F0
$48
$40
$28
$20
$58
$30
$50
$58
$50
$38
MSB
MSB
0000 00aa
0000 0aaa
adr MSB
adr MSB
adr MSB
Byte 2
describes the Instruction set.
$53
$80
$00
$00
$00
$00
$00
$00
$00
$00
$08
$08
$00
/
Instruction Format
Extended adr
0000 000aa
0000 00aa
0000 0aaa
aaaa aaaa
adr LSB
adr LSB
adr LSB
adr LSB
adr LSB
Byte 3
$00
$00
$00
$00
$00
$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 out
data byte out
data byte out
data byte out
data byte out
data byte out
data byte in
LSB
LSB
Byte4
$00
$00
$00
$00
328
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