ATMEGA128A-AUR Atmel, ATMEGA128A-AUR Datasheet - Page 332

• Manufacturer Part Number: ATMEGA128A-AUR
• Description: MCU AVR 128K FLASH 16MHZ 64TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA128A-AUR

• 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: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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
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