saf-xc888cm-8ffi5v Infineon Technologies Corporation, saf-xc888cm-8ffi5v Datasheet - Page 80

• Manufacturer Part Number: saf-xc888cm-8ffi5v
• Description: 8-bit Single-chip Microcontroller
• Manufacturer: Infineon Technologies Corporation

Figure 24
PLL Base Mode
When the oscillator is disconnected from the PLL, the system clock is derived from the
VCO base (free running) frequency clock
Prescaler Mode (VCO Bypass Operation)
In VCO bypass operation, the system clock is derived from the oscillator clock, divided
by the P and K factors.
Data Sheet
OSC
fosc
CGU Block Diagram
P:1
OSCDISC
fn
fp
f
osc fail
detect
detect
SYS
NDIV
core
PLL
f
lock
N:1
SYS
=
=
f
VCObase
(Table
f
OSC
73
fvco
×
-------------
P K
×
×
--- -
K
1
1
VCOBYP
25) divided by the K factor.
K:1
Functional Description
PLLBYP
XC886/888CLM
fsys
V1.1, 2009-01
OSCR
LOCK
(3.1)
(3.2)