ATMEGA64-16MC Atmel, ATMEGA64-16MC Datasheet - Page 327

• Manufacturer Part Number: ATMEGA64-16MC
• Description: IC AVR MCU 64K 16MHZ COM 64-QFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA64-16MC

• 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): 4.5 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 64-MLF®, 64-QFN
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

External Clock
Drive Waveforms
External Clock
Drive
2490Q–AVR–06/10
Figure 155. External Clock Drive Waveforms
Table 131. External Clock Drive
Note:
Table 132. External RC Oscillator, Typical Frequencies
Notes:
Symbol
1/t
t
t
t
t
t
Δ
CLCL
CHCX
CLCX
CLCH
CHCL
t
CLCL
CLCL
1. Refer to
1. R should be in the range 3 kΩ - 100 kΩ, and C should be at least 20 pF. The C values given in
2. The frequency will vary with package type and board layout.
the table includes pin capacitance. This will vary with package type.
R [kΩ]
Parameter
Oscillator Frequency
Clock Period
High Time
Low Time
Rise Time
Fall Time
Change in period from
one clock cycle to the
next
31.5
6.5
V
IL1
(1)
V
“External Clock” on page 44
IH1
(1)
V
CC
Min
125
50
50
0
= 2.7V to
C [pF]
for details.
20
20
Max
1.6
1.6
5.5
8
2
V
V
62.5
Min
CC
25
25
0
= 4.5V to
ATmega64(L)
Max
650 kHz
2.0 MHz
0.5
0.5
16
5.5
2
f
(2)
V
Units
MHz
ns
µs
%
327