Datasheet

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 Section 10. ”Power Manager
(PM)” on page 108 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
Approximative Equivalent time
(RCSYS = 115 kHz)
00 0
1 64 557 us
2128 1.1ms
32048 18ms
44096 36ms
58192 71ms
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)