ATMEGA8515-16JUR Atmel, ATMEGA8515-16JUR Datasheet - Page 36
ATMEGA8515-16JUR
Manufacturer Part Number
ATMEGA8515-16JUR
Description
MCU AVR 8KB FLASH 16MHZ 44PLCC
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheet
1.ATMEGA8515L-8MC.pdf
(257 pages)
Specifications of ATMEGA8515-16JUR
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
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Data Converters
-
Lead Free Status / Rohs Status
Details
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Manufacturer
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ATmega8515(L)
in use, the amount of stray capacitance, and the electromagnetic noise of the environ-
ment. Some initial guidelines for choosing capacitors for use with crystals are given in
Table 7. For ceramic resonators, the capacitor values given by the manufacturer should
be used.
Figure 19. Crystal Oscillator Connections
The Oscillator can operate in three different modes, each optimized for a specific fre-
quency range. The operating mode is selected by the fuses CKSEL3..1 as shown in
Table 7.
Table 7. Crystal Oscillator Operating Modes
Note:
The CKSEL0 Fuse together with the SUT1..0 Fuses select the start-up times as shown
in Table 8.
Table 8. Start-up Times for the Crystal Oscillator Clock Selection
CKOPT
CKSEL0
1
1
1
0
0
0
0
0
1
1. This option should not be used with crystals, only with ceramic resonators.
101, 110, 111
SUT1..0
CKSEL3..1
00
01
10
11
00
101
110
111
(1)
from Power-down
Start-up Time
258 CK
258 CK
1K CK
1K CK
1K CK
Frequency Range
0.4 - 0.9
0.9 - 3.0
3.0 - 8.0
(2)
(2)
(2)
(MHz)
(1)
(1)
1.0 ≤
C2
C1
Additional Delay from
Reset (V
Recommended Range for Capacitors
C1 and C2 for Use with Crystals (pF)
4.1 ms
4.1 ms
65 ms
65 ms
–
CC
XTAL2
XTAL1
GND
= 5.0V)
12 - 22
12 - 22
12 - 22
Recommended
Usage
Ceramic resonator,
fast rising power
Ceramic resonator,
slowly rising power
Ceramic resonator,
BOD enabled
Ceramic resonator,
fast rising power
Ceramic resonator,
slowly rising power
–
2512K–AVR–01/10
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