Kontron AT8404 - Manual (Page 104)

Software Description
91 AT8404 User Guide
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• AMC B1 TCLKA is sourced by AMC B2 (TCLKB)
Figure 4-2: AMC TCLKA sourced by AMC TCLKB
• AMC B1 TCLKA is sourced by backplane (shortcut to PLL)
Figure 4-3: AMC TCLKA sourced by backplane
All AmcSetClockState() commands will be sent during the activation phase of the modules and after the
match finding process in case of a match. For a list of OEM commands and additional information, see chap-
ter 4.3.2 OEM Commands.
The MUX (domain 0) selection is stored in NV-memory and is restored after powerup.
The MUX (domain 0) selection affects the clock ekeying match finder.
AMCx
AMCy
MUX
(Domain 0)
B
a
c
k
p
l
a
n
e
CLK 1A/B – 3A/B
8 kHz
19.44 MHz
TCLKA
TCLKC
TCLKD
TCLKB
OEM ClockSetMUX() MUX
Domain 0 (NV restore)
Direct Clock
Descriptor
PLD/PLL
Direct Clock
Descriptor
Direct Clock
Descriptor
AMCx
AMCy
MUX
(Domain 0)
B
a
c
k
p
l
a
n
e
CLK 1A/B – 3A/B
8 kHz
19.44 MHz
TCLKA
TCLKC
TCLKD
TCLKB
OEM ClockSetMUX()
MUX Domain 0
(NV restore)
Direct Clock
Descriptor
PLD/PLL
Direct Clock
Descriptor
Direct Clock
Descriptor
Indirect Clock
Descriptor
PICMG
SetClockState()
(NV restore)