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Programming Details
MVME7100ET Single Board Computer Programmer’s Reference (6806800K88B
)
66
4.13 Clock Distribution
The clock function generates and distributes all the clocks required for system operation. The
PCI-E clocks are generated using an eight output differential clock driver. The PCI/PCI-X bus
clocks are generated by the bridge chips from the PCI-E clock. Additional clocks required by
individual devices are generated near the devices using individual oscillators. The following
table lists the clocks required on the MVME7100ET along with their frequency and source.
SCY
4
4
3
1
5
2
5
SETA
0
0
0
0
0
0
0
TRLX
0
0
1
1
0
1
0
EHTR
0
0
0
0
0
0
0
EAD
0
0
0
0
0
0
0
Table 4-11 LBC Timing Parameters (continued)
0
NOR Flash
1
NOR Flash
2
NAND
Flash
3
MRAM
4
CSR
5
UART
6
Timers
Table 4-12 Clock Assignments
Device
Clock Signals
Frequency
(MHz)
Clock Tree Source
Qty
VIO
CLK_CPU
MC864xD
66
Oscillator
1
+3.3 V
MC864xD
CLK125MHZ
125
Oscillator
1
+2.5 V
MC864xD
CLK_RTC
1
PLD
1
+3.3 V
PMC1
CLK_PCI1
33/66/100
PEX8114
1
+3.3 V
PMC2
CLK_PCI2
33/66/100
PEX8114
1
+3.3 V
Tsi148
CLK_PCI3
133
PEX8114
1
+3.3 V
USB
CLK_PCI4
33
PEX8112
1
+3.3 V
BCM5482S
CLK2_25MHZ
25
Oscillator/Buffer
1
+2.5 V
BCM5482S
CLK3_25MHZ
25
Oscillator/Buffer
1
+2.5 V
Control and Timers
PLD
CLK1_25MHZ
CLK_LBP
25
MPX CLK / 8
Oscillator/Buffer
MC864xD
1
1
+3.3 V
+3.3 V
Summary of Contents for MVME7100ET
Page 1: ...MVME7100ET Single Board Computer Programmer s Reference P N 6806800K88B June 2014 ...
Page 10: ...MVME7100ET Single Board Computer Programmer s Reference 6806800K88B 10 List of Figures ...
Page 24: ...Memory Maps MVME7100ET Single Board Computer Programmer s Reference 6806800K88B 24 ...
Page 50: ...Register Descriptions MVME7100ET Single Board Computer Programmer s Reference 6806800K88B 50 ...
Page 96: ...Related Documentation MVME7100ET Single Board Computer Programmer s Reference 6806800K88B 96 ...
Page 97: ......