ATMEGA1281-16MU Atmel, ATMEGA1281-16MU Datasheet - Page 352
ATMEGA1281-16MU
Manufacturer Part Number
ATMEGA1281-16MU
Description
IC MCU AVR 128K FLASH 64-QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA1281-16MU
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
EBI/EMI, I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
54
Program Memory Size
128KB (64K x 16)
Program Memory Type
FLASH
Eeprom Size
4K x 8
Ram Size
8K 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
64-MLF®, 64-QFN
Processor Series
ATMEGA128x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
8 KB
Interface Type
2-Wire, SPI, UART
Maximum Clock Frequency
16 MHz
Number Of Programmable I/os
54
Number Of Timers
6
Operating Supply Voltage
4.5 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWAVR, EWAVR-BL
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT, ATAVRRZ541, ATAVRRAVEN, ATAVRRZRAVEN, ATAVRRZUSBSTICK, ATAVRISP2, ATAVRRZ201
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 8 channel
For Use With
ATSTK600-TQFP64 - STK600 SOCKET/ADAPTER 64-TQFPATAVRDB101 - MODULE DISPLAY LCD/RGB BACKLIGHT770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAGATAVRISP2 - PROGRAMMER AVR IN SYSTEMATJTAGICE2 - AVR ON-CHIP D-BUG SYSTEM
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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29.8.3
Table 29-17. Serial Programming Instruction Set
2549M–AVR–09/10
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
Write EEPROM Memory
Write EEPROM Memory Page (page access)
Write Lock bits
Write Fuse bits
Write Fuse High bits
Write Extended Fuse Bits
Serial Programming Instruction set
Table 29-17
Notes:
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.
(1)
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 correspondig section for Fuse and Lock bits, Calibration and Signature bytes and
6. See htt://www.atmel.com/avr for Application Notes regarding programming and programmers.
Page size.
and
Figure 29-11 on page 353
Byte 1
$AC
$AC
$AC
$AC
$AC
$AC
$4D
$C1
$A0
$4C
$C0
$C2
$F0
$48
$40
$28
$20
$58
$30
$50
$58
$50
$38
ATmega640/1280/1281/2560/2561
0000 aaaa
0000 aaaa
0000 aaaa
adr MSB
adr MSB
adr MSB
Byte 2
describes the Instruction set.
$E0
$A0
$A8
$A4
$53
$80
$00
$00
$00
$00
$00
$00
$00
$00
$08
$08
$00
Instruction Format
Extended adr
0000 000aa
0000 000aa
aaaa aaaa
aaaa aaaa
adr LSB
adr LSB
adr LSB
adr LSB
adr LSB
aaaa 00
Byte 3
$00
$00
$00
$00
$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
data byte in
data byte in
data byte in
data byte in
data byte in
Byte 4
$00
$00
$00
$00
$00
352
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