Sfr definition 14.3 – Silicon Laboratories C8051F347 User Manual

Page 134

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C8051F340/1/2/3/4/5/6/7/8/9/A/B/C/D

134

Rev. 1.3

SFR Definition 14.3. OSCLCN: Internal L-F Oscillator Control

Bit7:

OSCLEN: Internal L-F Oscillator Enable.
0: Internal L-F Oscillator Disabled.
1: Internal L-F Oscillator Enabled.

Bit6:

OSCLRDY: Internal L-F Oscillator Ready Flag.
0: Internal L-F Oscillator frequency not stabilized.
1: Internal L-F Oscillator frequency stabilized.

Bits5–2: OSCLF[3:0]: Internal L-F Oscillator Frequency Control bits.

Fine-tune control bits for the internal L-F Oscillator frequency. When set to 0000b, the L-F
oscillator operates at its fastest setting. When set to 1111b, the L-F oscillator operates at its
slowest setting.

Bits1–0: OSCLD[1:0]:

Internal

L-F Oscillator Divider Select.

00: Divide by 8 selected.
01: Divide by 4selected.
10: Divide by 2 selected.
11: Divide by 1 selected.

R/W

R

R/W

R

R/W

R/W

R/W

R/W

Reset Value

OSCLEN OSCLRDY OSCLF3

OSCLF2

OSCLF1

OSCLF0

OSCLD1

OSCLD0

00vvvv00

Bit7

Bit6

Bit5

Bit4

Bit3

Bit2

Bit1

Bit0

SFR Address:

0x86

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