SAM4L Datasheet, PDF (252/1185 Pages) ATMEL Corporation – ATSAM ARM-based Flash MCU

ATSAM4L4/L2
13.8
Module Configuration
The specific configuration for each SCIF instance is listed in the following tables.The module bus
clocks listed here are connected to the system bus clocks. Refer to Section 10. ”Power Manager
(PM)” on page 102 for details.
Table 13-4. SCIF Clock Name
Module Name Clock Name
SCIF
CLK_SCIF
Description
Clock for the SCIF bus interface
Table 13-5. Oscillator Startup Times
STARTUP
Number of System RC
oscillator clock cycle
0
0
1
64
2
128
3
2048
4
4096
5
8192
6
16384
7
32768
8
4
9
8
10
16
11
32
12
256
13
512
14
1024
15
32768
Approximative Equivalent time
(RCSYS = 115 kHz)
0
557 us
1.1 ms
18 ms
36 ms
71 ms
143 ms
285 ms
35 us
70 us
139 us
278 us
2.2 ms
4.5 ms
8.9 ms
285 ms
Table 13-6. Oscillator Gain Settings
GAIN[1:0] Function
0
Oscillator is used with gain G0 (XIN from 0.6MHz to 2.0MHz)
1
Oscillator is used with gain G1 (XIN from 2.0MHz to 4.0MHz)
2
Oscillator is used with gain G2 (XIN from 4.0MHz to 8.0MHz)
3
Oscillator is used with gain G3 (XIN from 8.0MHz to 16.0MHz)
4
Oscillator is used with gain G4 (XIN from 16.0MHz to 30.0MHz)
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