Z8FMC16100 Datasheet, PDF (369/402 Pages) Zilog, Inc. – Z8 Encore-R Motor Control Flash MCUs

Z8FMC16100 Series Flash MCU
Product Specification
347
Oscillator Control
Hex Address: F86
Oscillator Control Register (OSCCTL)
BITS
7
6
5
4
3
FIELD ^{INTEN XTLEN WDTEN POFEN WDFEN}
RESET
1
0
1
0
0
R/W
R/W
R/W
R/W
R/W
R/W
ADDR
F86H
* The reset value is 1 if the option bit LPDEN is 0.
2
FLPEN
0*
R/W
1
0
SCKSEL
00
R/W
Bit
Position
[7]
INTEN
[6]
XTLEN
[5]
WDTEN
[4]
POFEN
[3]
WDFEN
Value
(H)
0
1
0
1
0
1
0
1
0
1
Description
Internal Precision Oscillator Enable
Internal precision oscillator is disabled.
Internal precision oscillator is enabled.
Crystal Oscillator Enable
Crystal oscillator is disabled.
Crystal oscillator is enabled.
Watch-Dog Timer Oscillator Enable
Watch-Dog Timer oscillator is disabled
Watch-Dog Timer oscillator is enabled
Primary Oscillator Failure Detection Enable
Failure detection and recovery of primary oscillator is disabled. This bit is cleared
automatically if a primary oscillator failure is detected.
Failure detection and recovery of primary oscillator is enabled
Watch-Dog Timer Oscillator Failure Detection Enable
Failure detection of Watch-Dog Timer oscillator is disabled.This bit is cleared
automatically if a Watch-Dog Timer oscillator failure is detected.
Failure detection of Watch-Dog Timer oscillator is enabled
PS024604-1005
PRELIMINARY
Appendix A—Register Tables