Chapter 2 Programming Details
MVME3100 Programmer’s Guide (V3100A/PG1)
35
Table 2-10. Clock Assignments
Device
Clock Signal(s)
Frequency
(MHz)
Clock Tree
Source
Qty
VIO
MPC8540
CLK_8540
66/100
A
1
3.3V
TSi148
CLK_VME
66/100
A
1
3.3V
sATA
CLK_SATA
66/100
A
1
3.3v
PCI6520 Primary
CLK_P2P_ABP
66/100
A
2
3.3V
CLK_P2P_ACP
PMC1
CLK_PMC1
33/66/100
B
1
3.3V
PMC2
CLK_PMC2
33/66/100
B
1
3.3V
PCI6520
Secondary
CLK_P2P_ABS
33/66/100
B
1
3.3V
CLK_P2P_ACS
33
C
1
3.3V
USB
CLK_USB
33
C
1
3.3V
PMCspan
CLK_SPAN
33
C
1
3.3V
MPC9855
CLK66
25
Oscillator
2
3.3V
BCM5461S
CLK25_25V_PHY
25
Oscillator/
Buffer
2
2.5V
BCM5221
CLK25_33V_PHY
25
Oscillator/
Buffer
1
3.3V
Control and
Timers PLD
CLK25_33V_PLD
25
Oscillator/
Buffer
1
3.3V
CLK_LBC
CCB_CLK/8
(333 MHz/8)
MPC8540
1
3.3V
QUART
CLK_UART
1.8432
Oscillator
1
3.3V
sATA
CLK37
37.5
Oscillator
1
3.3V
USB
CLK48
48
Oscillator
1
3.3V
RTC
CLK32
32.768 kHz
Crystal
1
3.3V