ATMEGA64A-AUR Atmel, ATMEGA64A-AUR Datasheet - Page 338
![IC MCU AVR 64K FLASH 64TQFP](/photos/12/13/121332/313-64-tqfp_sml.jpg)
ATMEGA64A-AUR
Manufacturer Part Number
ATMEGA64A-AUR
Description
IC MCU AVR 64K FLASH 64TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheets
1.ATMEGA64A-MUR.pdf
(21 pages)
2.ATMEGA64A-AU.pdf
(392 pages)
3.ATMEGA64A-AU.pdf
(3 pages)
Specifications of ATMEGA64A-AUR
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
53
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)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-TQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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Table 28-9.
Table 28-10. External Data Memory Characteristics, 4.5 - 5.5 Volts, SRWn1 = 1, SRWn0 = 0
Table 28-11. External Data Memory Characteristics, 4.5 - 5.5 Volts, SRWn1 = 1, SRWn0 = 1
Table 28-12. External Data Memory Characteristics, 2.7 - 5.5 Volts, No Wait-state
8160C–AVR–07/09
0
10
12
15
16
0
10
12
15
16
0
10
12
14
15
16
0
1
2
3a
3b
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
t
RLDV
RLRH
DVWH
WLWH
RLDV
RLRH
DVWH
WLWH
RLDV
RLRH
WHDX
DVWH
WLWH
LHLL
AVLL
LLAX_ST
LLAX_LD
CLCL
CLCL
CLCL
CLCL
External Data Memory Characteristics, 4.5 - 5.5 Volts, 1 Cycle Wait-state
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
Address Hold after ALE Low,
read access
Min
240
240
240
Min
365
375
365
Min
365
240
375
365
Min
235
115
5
5
8 MHz Oscillator
4 MHz Oscillator
4 MHz Oscillator
4 MHz 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
5
Variable Oscillator
Variable Oscillator
Variable Oscillator
Variable Oscillator
CLCL
CLCL
CLCL
-15
-10
-10
-10
-10
-10
-10
-10
-10
(1)
ATmega64A
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
ns
338
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