melissa/zsa_qmk_firmware
1
0
Fork 0
mirror of https://github.com/zsa/qmk_firmware.git synced 2026-05-04 14:55:29 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

When automatic PLL management mode is enabled on the U4 series AVR8 chips, the PLL is now configured for 48MHz and not a divided 96MHz, to lower power consumption and to keep the system within the datasheet specs for 3.3V operation (thanks to Scott Vitale).

Browse Source
This commit is contained in:
Dean Camera
2011-10-12 02:27:22 +00:00
parent 1a4a26271e
commit c15eaa5dae
2 changed files with 3 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
LUFA/Drivers/USB/Core/AVR8/USBController_AVR8.c
View File

@@ -68,7 +68,7 @@ void USB_Init(
if (!(USB_Options & USB_OPT_MANUAL_PLL))
{
#if defined(USB_SERIES_4_AVR)
PLLFRQ = ((1 << PLLUSB) | (1 << PDIV3) | (1 << PDIV1));
PLLFRQ = (1 << PDIV2);
#endif
}