Z8FMC16100 Datasheet, PDF (370/402 Pages) Zilog, Inc. – Z8 Encore-R Motor Control Flash MCUs

Z8 Encore!^® Motor Control Flash MCUs
Product Specification
348
Bit
Position
[2]
FLPEN
[1:0]
SCKSEL
Value
(H)
0
1
00
01
10
11
Description
Flash Low Power Mode Enable
Flash Low Power Mode is disabled.
Flash Low Power Mode is enabled. The Flash will be powered down during idle
periods of the clock and powered up during Flash reads. This bit should only be
set if the frequency of the primary oscillator source is 8MHz or lower. The reset
value of this bit is controlled by the LPDEN option bit during reset.
System Clock Oscillator Select
Internal precision oscillator functions as system clock at 5.6MHz
Reserved
Crystal oscillator or external clock driver functions as system clock
Watch-Dog Timer oscillator functions as system clock
Hex Address: F87
Oscillator Divide Register (OSCDIV)
BITS
7
6
5
4
3
2
1
0
FIELD
DIV
RESET
00H*
R/W
R/W
ADDR
F87H
* The reset value is 08H if the option bit LPDEN is 0.
Bit
Position
[7:0]
DIV
Value
(H)
00H to
FFH
Description
Oscillator Divide
00H - divider is disabled, all other entries are the divide value for scaling the
system clock.
Trim Control
Hex Addresses: F88–F8F
Reserved
PS024604-1005
PRELIMINARY
Appendix A—Register Tables