Chapter 5 Clocks - Fujitsu F2MCTM-16LX Hardware Manual

Figure 5.5-1 shows the status change caused by machine clock switching.
Figure 5.5-1 Status Change Diagram for Machine Clock Selection
Main (10)
MCS = 1
MCM = 1
SCS = 1
(1)
SCM = 1
CS1, CS0 = xx
B
CS2=x
(8)
Main --> PLLx
MCS = 0
MCM = 1
SCS = 1
SCM = 1
CS1, CS0 = xx
B
CS2=x
PLL1 --> Main
MCS = 1
(9)
MCM = 0
SCS = 1
SCM = 1
CS1, CS0 = 00
B
CS2=0
PLL2 --> Main
MCS = 1
(9)
MCM = 0
SCS = 1
SCM = 1
CS1, CS0 = 01
B
CS2=0
PLL3 --> Main
MCS = 1
(9)
MCM = 0
SCS = 1
SCM = 1
CS1, CS0 = 10
B
CS2=0
PLL4 --> Main
MCS = 1
(9)
MCM = 0
SCS = 1
SCM= 1
CS1, CS0 = 11
B
CS2=0
PLL6 --> Main
MCS = 1
(9)
MCM = 0
SCS = 1
SCM = 1
CS1, CS0 = 10
B
CS2=1
Main --> Sub
MCS = 1
MCM = 1
SCS = 0
(11)
SCM = 1
(12)
CS1, CS0 = xx
B
CS2=x
(13)
Sub --> Main
(11)
MCS = 1
MCM = 1
SCS = 1
SCM = 0
(2)
CS1, CS0 = xx
B
(3)
CS2=x
(4)
(5)
(6)
PLL1: Multiplied
MCS = 0
MCM = 0
SCS = 1
SCM = 1
(8) (10)
CS1, CS0 = 00
B
CS2=0
PLL2: Multiplied
MCS = 0
MCM = 0
SCS = 1
SCM = 1
(8) (10)
CS1, CS0 = 01
B
CS2=0
PLL3: Multiplied
MCS = 0
MCM = 0
SCS = 1
SCM = 1 (10)
(8)
CS1, CS0 = 10
B
CS2=0
PLL4: Multiplied
MCS = 0
MCM = 0
SCS = 1
SCM = 1
(8) (10)
CS1, CS0 = 11
B
CS2=0
PLL6: Multiplied
MCS = 0
MCM = 0
SCS = 1
SCM = 1
(10)
(8)
CS1, CS0 = 10
B
CS2=1

CHAPTER 5 CLOCKS

Sub
MCS = X
MCM = 1
SCS = 0
SCM = 0
(20)
CS1, CS0 = xx
(12)
CS2=x
(10)
(14) Sub --> PLL
MCS = 0
(15)
MCM = 1
(16)
SCS = 1
(17)
SCM = 0
(18)
CS1, CS0 = xx
B
CS2=0
PLL1 --> Sub
(21)
MCS = 1
MCM = 0
SCS = 0
SCM = 1
CS1, CS = 00
B
CS2=0
PLL2 --> Sub
(21)
MCS = 1
MCM = 0
SCS = 0
SCM = 1
CS1, CS0 = 01
B
CS2=0
PLL3 --> Sub
(21)
MCS = 1
MCM = 0
SCS = 0
SCM = 1
CS1, CS0 =10
B
CS2=0
PLL4 --> Sub
(21)
MCS = 1
MCM = 0
SCS = 0
SCM = 1
CS1, CS0 = 11
B
CS2=0
PLL6 --> Sub (21)
MCS = 1
MCM = 0
SCS = 0
SCM = 1
CS1, CS0 =10
B
CS2=1
B
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