ATMEGA64A-ANR Atmel, ATMEGA64A-ANR Datasheet - Page 338

• Manufacturer Part Number: ATMEGA64A-ANR
• Description: IC MCU AVR 64K FLASH 64TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA64A-ANR

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

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