ATMEGA8515-16AI Atmel, ATMEGA8515-16AI Datasheet - Page 199

• Manufacturer Part Number: ATMEGA8515-16AI
• Description: IC AVR MCU 8K 16MHZ IND 44-TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA8515-16AI

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: EBI/EMI, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 35
• Program Memory Size: 8KB (4K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 512 x 8
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-TQFP, 44-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Data Converters: -

External Clock Drive
Waveforms
External Clock Drive
2512K–AVR–01/10
Figure 86. External Clock Drive Waveforms
Table 95. External Clock Drive
Note:
Table 96. External RC Oscillator, Typical Frequencies (V
Notes:
Symbol
1/t
t
t
t
t
t
Δ
CLCL
CHCX
CLCX
CLCH
CHCL
t
CLCL
CLCL
1. Refer to “External Clock” on page 40 for details.
1. R should be in the range 3 kΩ - 100 kΩ, and C should be at least 20 pF. The C values
2. The frequency will vary with package type and board layout.
given in the table includes pin capacitance. This will vary with package type.
V
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
IL1
33
10
V
(1)
IH1
(1)
V
Min
125
50
50
0
CC
= 2.7 -
C [pF]
22
22
5.5
Max
1.6
1.6
8
2
V
ATmega8515(L)
CC
62.5
V
Min
= 5V)
25
25
0
CC
= 4.5 -
5.5
Max
650 kHz
2.0 MHz
0.5
0.5
16
2
V
f
(2)
Units
MHz
ns
ns
ns
μs
μs
%
199