ATMEGA64A-AUR Atmel, ATMEGA64A-AUR Datasheet - Page 339
![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
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Part Number
Manufacturer
Quantity
Price
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Table 28-12. External Data Memory Characteristics, 2.7 - 5.5 Volts, No Wait-state (Continued)
Notes:
Table 28-13. External Data Memory Characteristics, 2.7 - 5.5 Volts, SRWn1 = 0, SRWn0 = 1
Table 28-14. External Data Memory Characteristics, 2.7 - 5.5 Volts, SRWn1 = 1, SRWn0 = 0
8160C–AVR–07/09
4
5
6
7
8
9
10
11
12
13
14
15
16
0
10
12
15
16
0
10
12
15
16
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
t
Symbol
1/t
t
t
t
t
Symbol
1/t
t
t
t
t
AVLLC
AVRL
AVWL
LLWL
LLRL
DVRH
RLDV
RHDX
RLRH
DVWL
WHDX
DVWH
WLWH
RLDV
RLRH
DVWH
WLWH
RLDV
RLRH
DVWH
WLWH
1. This assumes 50% clock duty cycle. The half period is actually the high time of the external clock, XTAL1.
2. This assumes 50% clock duty cycle. The half period is actually the low time of the external clock, XTAL1.
CLCL
CLCL
Parameter
Address Valid C to ALE Low
Address Valid to RD Low
Address Valid to WR Low
ALE Low to WR Low
ALE Low to RD Low
Data Setup to RD High
Read Low to Data Valid
Data Hold After RD High
RD Pulse Width
Data Setup to WR Low
Data Hold After WR High
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 Valid to WR High
WR Pulse Width
Min
115
235
235
115
115
235
105
235
250
235
Min
485
500
485
Min
735
750
735
45
0
4 MHz Oscillator
4 MHz Oscillator
4 MHz Oscillator
Max
Max
Max
130
130
190
440
690
0.5t
0.5t
0.5t
0.5t
1.0t
1.0t
1.0t
1.0t
1.0t
2.0t
2.0t
3.0t
3.0t
1.0t
2.0t
3.0t
CLCL
CLCL
CLCL
CLCL
Min
Min
Min
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
0.0
0.0
45
0
Variable Oscillator
Variable Oscillator
Variable Oscillator
CLCL
CLCL
CLCL
-10
-10
-10
-20
-15
-15
-15
-15
-15
-15
-15
-15
-15
(1)
(2)
(2)
(1)
ATmega64A
0.5t
0.5t
1.0t
2.0t
3.0t
CLCL
CLCL
Max
Max
Max
CLCL
CLCL
CLCL
8
8
+5
+5
-60
-60
-60
(2)
(2)
ns
ns
MHz
MHz
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Unit
ns
ns
ns
ns
Unit
ns
ns
ns
ns
339
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