Atmel SAM4L Xplained Pro Evaluation Kit Atmel ATSAM4L-XPRO ATSAM4L-XPRO Data Sheet
Product codes
ATSAM4L-XPRO
258
42023E–SAM–07/2013
ATSAM4L8/L4/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
clocks listed here are connected to the system bus clocks. Refer to
for details.
Table 13-4.
SCIF Clock Name
Module Name
Clock Name
Description
SCIF
CLK_SCIF
Clock for the SCIF bus interface
Table 13-5.
Oscillator Startup Times
STARTUP
Number of System RC
oscillator clock cycle
oscillator clock cycle
Approximative Equivalent time
(RCSYS = 115 kHz)
(RCSYS = 115 kHz)
0
0
0
1
64
557 us
2
128
1.1 ms
3
2048
18 ms
4
4096
36 ms
5
8192
71 ms
6
16384
143 ms
7
32768
285 ms
8
4
35 us
9
8
70 us
10
16
139 us
11
32
278 us
12
256
2.2 ms
13
512
4.5 ms
14
1024
8.9 ms
15
32768
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)