6 ac electrical specifications, 1 reference clock ac timing specifications, Ac electrical specifications – Marvel Group Integrated Controller 88F6281 User Manual
Page 86: Table 45, Reference clock ac timing specifications, Table 45, reference clock ac
88F6281
Hardware Specifications
Doc. No. MV-S104859-U0 Rev. E
Copyright © 2008 Marvell
Page 86
Document Classification: Proprietary Information
December 2, 2008, Preliminary
8.6
AC Electrical Specifications
Section 8.7, Differential Interface Electrical Characteristics, on page 118
for differential interface
specifications.
8.6.1
Reference Clock AC Timing Specifications
Table 45: Reference Clock AC Timing Specifications
D e s c r i p t i o n
S y m b o l
M i n
M a x
Units
N o t e s
C P U a n d C o r e R e f e r e n c e C l o c k
Frequency F
REF_CLK_XIN
25
-
50 ppm
25 +
50 ppm
MHz
Clock duty cycle
DC
REF_CLK_XIN
40
60
%
Slew rate
SR
REF_CLK_XIN
0.7
V/ns
1
Pk-Pk jitter
JR
REF_CLK_XIN
200
ps
E t h e r n e t R e f e r e n c e C l o c k
Frequency in MII/MMII-MAC mode
F
GE_TXCLK_OUT
2.5 -
100 ppm
50 +
100 ppm
MHz
7
F
GE_RXCLK
MII/MMII-MAC mode clock duty cycle
DC
GE_TXCLK_OUT
35
65
%
7
DC
GE_RXCLK
Slew rate
SR
GE_TXCLK_OUT
0.7
V/ns
1, 7
SR
GE_RXCLK
A u d i o E x t e r n a l R e f e r e n c e C l o c k
Audio external reference clock
F
AU_EXTCLK
256 X F
s
kHz 3
S / P D I F R e c o v e r e d M a s t e r C l o c k
S/PDIF recovered master clock
F
AU_SPDFRMCLK
256 X F
s
kHz 3
I
2
S R e f e r e n c e C l o c k
I
2
S clock
F
I2S_BCLK
64 X F
s
kHz 3
S P I O u t p u t C l o c k
SPI output clock
F
SPI_SCK
TCLK/30
TCLK/4
MHz
2
R T C R e f e r e n c e C l o c k
RTC_XIN crystal frequency
F
RTC_XIN
32.768 kHz
4
Tr a n s p o r t St r e a m ( T S ) O u t pu t M o d e R e f e r e n c e C l o c k
TS output clock in parallel mode
F
TS0_CLK,
F
TS1_CLK
9.61
12.5
MHz
5
TS output clock in serial mode
F
TS0_CLK,
F
TS1_CLK
9.61
83
MHz
5
Tr a n s p o r t St r e a m I n p u t M o d e R e f e r e n c e C l o c k
TS input clock in parallel mode
F
TS0_CLK,
F
TS1_CLK
13.5
MHz
TS input clock in serial mode
F
TS0_CLK,
F
TS1_CLK
83
MHz
Tr a n s p o r t St r e a m E x t e r n a l R e f e r e n c e C l o c k
TS external clock in parallel mode
F
EXT_CLK
9.61
12.5
MHz
5
TS external clock in serial mode
F
EXT_CLK
9.61
83
MHz
5