ATA5771_09 ATMEL [ATMEL Corporation], ATA5771_09 Datasheet - Page 80

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ATA5771_09

Manufacturer Part Number
ATA5771_09
Description
Microcontroller with UHF ASK/FSK Transmitter
Manufacturer
ATMEL [ATMEL Corporation]
Datasheet
7701C–AVR–12/08
Figure 7-2.
The Oscillator can operate in three different modes, each optimized for a specific frequency
range. The operating mode is selected by the fuses CKSEL3..1 as shown in
27.
Table 7-3.
Notes:
The CKSEL0 Fuse together with the SUT1..0 Fuses select the start-up times as shown in
7-4 on page
CKSEL3..1
100
101
110
111
(1)
1. This option should not be used with crystals, only with ceramic resonators.
28.
Crystal Oscillator Connections
Crystal Oscillator Operating Modes
Frequency Range (MHz)
0.4 - 0.9
0.9 - 3.0
3.0 - 8.0
8.0 -
C2
C1
Recommended Range for Capacitors C1 and
XTAL2
XTAL1
GND
C2 for Use with Crystals (pF)
ATtiny24/44/84
12 - 22
12 - 22
12 - 22
Table 7-3 on page
Table
27

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