ATMEGA64A-AUR Atmel, ATMEGA64A-AUR Datasheet - Page 340
![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 28-15. External Data Memory Characteristics, 2.7 - 5.5 Volts, SRWn1 = 1, SRWn0 = 1
8160C–AVR–07/09
0
10
12
14
15
16
Symbol
1/t
t
t
t
t
t
RLDV
RLRH
WHDX
DVWH
WLWH
CLCL
Parameter
Oscillator Frequency
Read Low to Data Valid
RD Pulse Width
Data Hold After WR High
Data Valid to WR High
WR Pulse Width
Figure 28-6. External Memory Timing (SRWn1 = 0, SRWn0 = 0
System Clock (CLK
DA7:0 (XMBK = 0)
DA7:0
A15:8
CPU
ALE
WR
RD
)
Prev. addr.
Prev. data
Min
735
485
750
735
4 MHz Oscillator
T1
1
Address
Address
4
2
Max
690
5
T2
6
3a
3b
XX
7
8
13
10
3.0t
2.0t
3.0t
Address
3.0t
T3
15
Min
CLCL
CLCL
CLCL
12
0.0
Data
Data
16
Variable Oscillator
CLCL
9
-15
-15
-15
11
ATmega64A
T4
3.0t
14
Max
CLCL
8
-60
MHz
Unit
ns
ns
ns
ns
ns
340
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