OSCEN

Oscillator Enable Register
Note:
  1. 1.This bit only controls external clock source supplied to the peripherals and has no effect on the system clock.
Name:
OSCEN
Offset:
0x0291
Reset:
Access:
Bit76543210
EXTOENHFOENMFOENLFOENSOSCENADOENPLLEN
AccessR/WR/WR/WR/WR/WR/WR/W
Reset0000000

Bit 7 – EXTOEN: External Oscillator Enable

External Oscillator Enable

ValueDescription
1 EXTOSC is explicitly enabled, operating as specified by FEXTOSC
0 EXTOSC can be enabled by a peripheral request

Bit 6 – HFOEN: HFINTOSC Enable

HFINTOSC Enable

ValueDescription
1 HFINTOSC is explicitly enabled, operating as specified by OSCFRQ
0 HFINTOSC can be enabled by a peripheral request

Bit 5 – MFOEN: MFINTOSC Enable

MFINTOSC Enable

ValueDescription
1 MFINTOSC is explicitly enabled
0 MFINTOSC can be enabled by a peripheral request

Bit 4 – LFOEN: LFINTOSC Enable

LFINTOSC Enable

ValueDescription
1 LFINTOSC is explicitly enabled
0 LFINTOSC can be enabled by a peripheral request

Bit 3 – SOSCEN: Secondary Oscillator Enable

Secondary Oscillator Enable

ValueDescription
1 SOSC is explicitly enabled, operating as specified by SOSCPWR
0 SOSC can be enabled by a peripheral request

Bit 2 – ADOEN: ADCRC Oscillator Enable

ADCRC Oscillator Enable

ValueDescription
1 ADCRC is explicitly enabled
0 ADCRC may be enabled by a peripheral request

Bit 0 – PLLEN: PLL Enable(1)

PLL Enable(1)

ValueDescription
1 EXTOSC multiplied by the 4x system PLL is used by a peripheral request
0 EXTOSC is used by a peripheral request