ATMEGA128A-AU Atmel, ATMEGA128A-AU Datasheet - Page 332
ATMEGA128A-AU
Manufacturer Part Number
ATMEGA128A-AU
Description
MCU 8BIT 128K ISP FLASH 64-TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA128A-AU
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-TQFP, 64-VQFP
Processor Series
ATMEGA128x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
4 KB
Interface Type
JTAG
Maximum Clock Frequency
16 MHz
Number Of Programmable I/os
53
Number Of Timers
4
Operating Supply Voltage
2.7 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
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 8 Channel
On-chip Dac
10 bit, 8 Channel
Cpu Family
ATmega
Device Core
AVR
Device Core Size
8b
Frequency (max)
16MHz
Total Internal Ram Size
4KB
# I/os (max)
53
Number Of Timers - General Purpose
4
Operating Supply Voltage (typ)
3.3/5V
Operating Supply Voltage (max)
5.5V
Operating Supply Voltage (min)
2.7V
Instruction Set Architecture
RISC
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
64
Package Type
TQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
Q4784435
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATMEGA128A-AU
Manufacturer:
ATMEL
Quantity:
9 000
Company:
Part Number:
ATMEGA128A-AU
Manufacturer:
ATMEL
Quantity:
3 480
Part Number:
ATMEGA128A-AU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Company:
Part Number:
ATMEGA128A-AUR
Manufacturer:
ATMEL
Quantity:
3 000
Part Number:
ATMEGA128A-AUR
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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Table 27-10. External Data Memory Characteristics, 4.5V - 5.5V, 1 Cycle Wait-state
Table 27-11. External Data Memory Characteristics, 4.5V - 5.5V, SRWn1 = 1, SRWn0 = 0
Table 27-12. External Data Memory Characteristics, 4.5V - 5.5V, SRWn1 = 1, SRWn0 = 1
Table 27-13. External Data Memory Characteristics, 2.7V - 5.5V, No Wait-state
8151H–AVR–02/11
0
10
12
15
16
0
10
12
15
16
0
10
12
14
15
16
0
1
2
3a
Symbol
1/t
t
t
t
t
Symbol
1/t
t
t
t
t
Symbol
1/t
t
t
t
t
t
Symbol
1/t
t
t
t
RLDV
RLRH
DVWH
WLWH
RLDV
RLRH
DVWH
WLWH
RLDV
RLRH
WHDX
DVWH
WLWH
LHLL
AVLL
LLAX_ST
CLCL
CLCL
CLCL
CLCL
Parameter
Oscillator Frequency
Read Low to Data Valid
RD Pulse Width
Data Valid to WR High
WR Pulse Width
Parameter
Oscillator Frequency
Read Low to Data Valid
RD Pulse Width
Data Valid to WR High
WR Pulse Width
Parameter
Oscillator Frequency
Read Low to Data Valid
RD Pulse Width
Data Hold After WR High
Data Valid to WR High
WR Pulse Width
Parameter
Oscillator Frequency
ALE Pulse Width
Address Valid A to ALE Low
Address Hold After ALE Low,
write access
Min
240
240
240
Min
365
375
365
Min
365
240
375
365
Min
235
115
5
8MHz Oscillator
4MHz Oscillator
4MHz Oscillator
4MHz Oscillator
Max
Max
Max
Max
200
325
325
0.5t
2.0t
2.0t
3.0t
3.0t
3.0t
2.0t
3.0t
2.0t
3.0t
3.0t
t
CLCL
CLCL
Min
Min
Min
Min
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
0.0
0.0
0.0
0.0
5
Variable Oscillator
Variable Oscillator
Variable Oscillator
Variable Oscillator
CLCL
CLCL
CLCL
-15
-10
-10
-10
-10
-10
-10
-10
-10
(1)
ATmega128A
2.0t
3.0t
3.0t
Max
Max
Max
Max
CLCL
CLCL
CLCL
16
16
16
8
-50
-50
-50
MHz
MHz
MHz
MHz
Unit
ns
ns
ns
ns
Unit
ns
ns
ns
ns
Unit
ns
ns
ns
ns
ns
Unit
ns
ns
ns
332
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