sergiotarxz/nuttx
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Add a fiew more SAMV7 clocking definitions

Browse Source
This commit is contained in:
Gregory Nutt 2015-07-31 11:17:26 -06:00
parent 650ba80ac0
commit 81dcadf70a
1 changed files with 5 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
configs/samv71-xult/include/board.h
View File

@ -57,8 +57,12 @@
* Master Clock (MCK): Source = PLLACK, Prescalar = 1 to generate MCK = 120MHz
* CPU clock: 120MHz
*
* There are two on-board crystals:
*/
#define BOARD_SLOWCLK_FREQUENCY (32768) /* 32.768 KHz slow crystal oscillator */
#define BOARD_MAINOSC_FREQUENCY (12000000) /* 12 MHz main oscillator */
/* Main oscillator register settings.
*
* The main oscillator could be either the embedded 4/8/12 MHz fast RC oscillators
@ -133,10 +137,10 @@
/* Resulting frequencies */
#define BOARD_MAINOSC_FREQUENCY (12000000) /* MAINOSC: 12MHz crystal on-board */
#define BOARD_PLLA_FREQUENCY (300000000) /* PLLACK: 25 * 12Mhz / 1 */
#define BOARD_CPU_FREQUENCY (300000000) /* CPU: PLLACK / 1 */
#define BOARD_MCK_FREQUENCY (150000000) /* MCK: PLLACK / 1 / 2 */
#define BOARD_UPLL_FREQUENCY /* To be provided */
/* HSMCI clocking
*