ATMEGA128A-MU Atmel, ATMEGA128A-MU Datasheet - Page 307
![MCU 8BIT 128K ISP FLASH 64-QFN](/photos/12/13/121326/313-64-qfn_sml.jpg)
ATMEGA128A-MU
Manufacturer Part Number
ATMEGA128A-MU
Description
MCU 8BIT 128K ISP FLASH 64-QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA128A-MU
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
53
Program Memory Size
128KB (64K x 16)
Program Memory Type
FLASH
Eeprom Size
4K x 8
Ram Size
4K 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
3rd Party Development Tools
EWAVR, EWAVR-BL
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
Controller Family/series
AVR MEGA
No. Of I/o's
53
Eeprom Memory Size
4KB
Ram Memory Size
4KB
Cpu Speed
16MHz
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
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Manufacturer
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Price
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Part Number:
ATMEGA128A-MU
Manufacturer:
Atmel
Quantity:
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Part Number:
ATMEGA128A-MU
Manufacturer:
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Table 26-15. SPI Serial Programming Instruction Set
Note:
8151H–AVR–02/11
Instruction
Programming Enable
Chip Erase
Read Program
Memory
Load Program
Memory Page
Write Program
Memory Page
Read EEPROM
Memory
Write EEPROM
Memory
Read Lock bits
Write Lock bits
Read Signature Byte
Write Fuse bits
Write Fuse High Bits
Write Extended Fuse
bits
Read Fuse bits
Read Extendend
Fuse bits
Read Fuse High Bits
Read Calibration Byte
a = address high bits
b = address low bits
H = 0 - Low byte, 1 - High Byte
o = data out
i = data in
x = don’t care
0010 H000
0100 H000
1010 1100
1010 1100
0100 1100
1010 0000
1100 0000
0101 1000
1010 1100
0011 0000
1010 1100
1010 1100
1010 1100
0101 0000
0101 0000
0101 1000
0011 1000
Byte 1
0101 0011
aaaa aaaa
aaaa aaaa
0000 0000
1010 0000
1010 1000
1010 0100
0000 0000
0000 1000
0000 1000
100x xxxx
xxxx aaaa
xxxx aaaa
111x xxxx
xxxx xxxx
xxxx xxxx
xxxx xxxx
Byte 2
Instruction Format
bbbb bbbb
xbbb bbbb
bbbb bbbb
bbbb bbbb
0000 00bb
bxxx xxxx
xxxx xxbb
xxxx xxxx
xxxx xxxx
xxxx xxxx
xxxx xxxx
xxxx xxxx
xxxx xxxx
xxxx xxxx
xxxx xxxx
xxxx xxxx
xxxx xxxx
Byte 3
oooo oooo
oooo oooo
oooo oooo
oooo oooo
oooo oooo
oooo oooo
oooo oooo
xxoo oooo
xxxx xxxx
xxxx xxxx
xxxx xxxx
xxxx xxii
11ii iiii
Byte4
iiii iiii
iiii iiii
iiii iiii
iiii iiii
Operation
Enable SPI Serial Programming after RESET
goes low.
Chip Erase EEPROM and Flash.
Read H (high or low) data o from Program
memory at word address a:b.
Write H (high or low) data i to Program
Memory page at word address b. Data low
byte must be loaded before data high byte is
applied within the same address.
Write Program Memory Page at address a:b.
Read data o from EEPROM memory at
address a:b.
Write data i to EEPROM memory at address
a:b.
Read Lock bits. “0” = programmed, “1” =
unprogrammed. See
291
Write Lock bits. Set bits = “0” to program Lock
bits. See
Read Signature Byte o at address b.
Set bits = “0” to program, “1” to unprogram.
See
Set bits = “0” to program, “1” to unprogram.
See
Set bits = “0” to program, “1” to unprogram.
See
Read Fuse bits. “0” = programmed, “1” =
unprogrammed. See
293
Read Extended Fuse bits. “0” = pro-grammed,
“1” = unprogrammed. See
page 293
Read Fuse high bits. “0” = pro-grammed, “1” =
unprogrammed. See
292
Read Calibration Byte o at address b.
Table 26-5 on page 293
Table 26-4 on page 292
Table 26-5 on page 293
for details.
for details.
for details.
Table 26-1 on page 291
for details.
ATmega128A
Table 26-1 on page
Table 26-5 on page
Table 26-4 on page
Table 26-5 on
for details.
for details.
for details.
for details.
307
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