5-7
MB86R02 ‘Jade-D’ Hardware Manual V1.64
5.5.2
Clock Generation
The MB86R02 'Jade-D' device has several clock domains. The pixel clock domain operates with a
modulated clock in order to reduce electromagnetic interference in the display controller and display
output modules. A second domain operates with a non-modulated clock in order to communicate with
the automotive network.
Each clock can be seperately disabled (see registers CRHA, CRHB, CRPA, CRPB, CRAM). Please
be aware that each clock is enabled after a reset. For power saving reasons, clocks for non-active
modules should be disabled.
CRG
REF
OSC
CDR
APIX
PLL
500MHz
250MHz
configuration
Feedback divider N
Main
PLL
(up to
666
MHz)
SSCG
400..7
00MH
z
configuration
Bypass, enable
Rate, etc...
DIV
1/2
CCLK
Not Modulated
System clock
XTAL0
XTAL1
m
u
x
External pin
SELXCK
0
1
PLLBYPASS
CDR
APIX core clock 0 & 1
PLLCLKM
Display Reference clock
Modulated
configuration
Clock gating
External pin
Pre
DIV
1/p
configuration
Pre divider P
1
0
SELM
Mux are spikefree
1
0
SELMCCLK
Figure 5-3 Overview of Clock Structure PLL's
Summary of Contents for MB86R02
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