ata6616 ATMEL Corporation, ata6616 Datasheet - Page 53

• Manufacturer Part Number: ata6616
• Description: Microcontroller With Lin Transceiver, 5v Regulator And Watchdog
• Manufacturer: ATMEL Corporation

9132A–AUTO–10/08
DRAFT
Figure 4-11. Crystal Oscillator Connections
The Oscillator can operate in three different modes, each optimized for a specific frequency
range. The operating mode is selected by CKSEL3..1 fuses or by CSEL3..1 field as shown in
Table
Table 4-9.
The CKSEL0 Fuse together with the SUT1..0 Fuses or CSEL0 together with CSUT1..0 field
select the start-up times as shown in
Notes:
CKSEL3..1
CSEL3..1
4-9.
100
101
110
111
1. Flash Fuse bits
2. CLKSELR register bits
3. This option should not be used with crystals, only with ceramic resonators
(3)
(2)
(1)
Crystal Oscillator Operating Modes
Frequency Range (MHz)
8.0 - 16.0
0.4 - 0.9
0.9 - 3.0
3.0 - 8.0
ATA6616/ATA6617 [Preliminary]
Table
C2
C1
4-10.
Recommended Range for Capacitors
C1 and C2 for Use with Crystals (pF)
XTAL2
XTAL1
GND
12 - 22
12 - 22
12 - 22
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