ATMEGA6490P-AU Atmel, ATMEGA6490P-AU Datasheet - Page 330
ATMEGA6490P-AU
Manufacturer Part Number
ATMEGA6490P-AU
Description
IC MCU AVR 64K FLASH 100TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA6490P-AU
Core Processor
AVR
Core Size
8-Bit
Speed
20MHz
Connectivity
SPI, UART/USART, USI
Peripherals
Brown-out Detect/Reset, LCD, POR, PWM, WDT
Number Of I /o
69
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)
1.8 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
100-TFQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATMEGA6490P-AU
Manufacturer:
Atmel
Quantity:
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Table 27-16. Serial Programming Instruction Set
Notes:
8284A–AVR–10/10
Instruction/Operation
Write EEPROM Memory
Write EEPROM Memory Page (page access)
Write Lock bits
Write Fuse bits
Write Fuse High bits
Write Extended Fuse Bits
1. Not all instructions are applicable for all parts
2. a = address
3. Bits are programmed ‘0’, unprogrammed ‘1’.
4. To ensure future compatibility, unused Fuses and Lock bits should be unprogrammed (‘1’).
5. Refer to the corresponding section for Fuse and Lock bits, Calibration and Signature bytes and Page size.
6. Instructions accessing program memory use a word address. This address may be random within the page range.
7. See http://www.atmel.com/avr for Application Notes regarding programming and programmers.
If the LSB in RDY/BSY data byte out is ‘1’, a programming operation is still pending. Wait until
this bit returns ‘0’ before the next instruction is carried out.
Within the same page, the low data byte must be loaded prior to the high data byte.
After data is loaded to the page buffer, program the EEPROM page, see
331.
ATmega169A/169PA/329A/329PA/649A/649P/3290A/3290PA/6490A/6490P
Byte 1
$AC
$AC
$AC
$AC
$C0
$C2
0000 00aa
0000 0aaa
0000 00aa
0000 0aaa
Byte 2
$E0
$A0
$A8
$A4
/
/
Instruction Format
aaaa aaaa
aaaa aa00
aaaa a000
Byte 3
$00
$00
$00
$00
/
Figure 27-12 on page
data byte in
data byte in
data byte in
data byte in
data byte in
Byte4
$00
330
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