MB90F654A FUJITSU [Fujitsu Component Limited.], MB90F654A Datasheet - Page 67

• Manufacturer Part Number: MB90F654A
• Description: 16-bit Proprietary Microcontroller
• Manufacturer: FUJITSU [Fujitsu Component Limited.]

State transition diagram for clock selection (1)
<1> MCS bit cleared and SCS bit set
<2> PLL clock oscillation stabilization delay complete and CS1/0 = 00
<3> PLL clock oscillation stabilization delay complete and CS1/0 = 01
<4> PLL clock oscillation stabilization delay complete and CS1/0 = 10
<5> PLL clock oscillation stabilization delay complete and CS1/0 = 11
<6> MCS bit set or SCS bit cleared
<7> PLL clock and main clock synchronized timing and SCS = 1
<8> PLL clock and main clock synchronized timing and SCS = 0
<9> Main clock oscillation stabilization delay complete and MCS = 0
Main
SCS = 1, MCS = 1
SCM = 1, MCM = 1
CS1/0 =
Sub
SCS = 1, MCS = 0
SCM = 0, MCM = 1
CS1/0 =
Main
SCS = 0, MCS =
MCM = 1
SCM = 1
PLL
Sub
Power-on
<9>
<8>
<1>
<8>
<8>
<8>
<7>
<7>
<7>
<7>
PLL2
SCS = 0 or MCS = 1
SCM = 1, MCM = 0
CS1/0 = 01
PLL3
SCS = 0 or MCS = 1
SCM = 1, MCM = 0
CS1/0 = 10
PLL4
SCS = 0 or MCS = 1
SCM = 1, MCM = 0
CS1/0 = 11
PLL1
SCS = 0 or MCS = 0
SCM = 1, MCM = 0
CS1/0 = 00
Main
SCS = 1, MSC = 0
SCM = 1, MCM = 1
CS1/0 =
PLL
Main
Main
Main
Main
<6>
<2>
<3>
<4>
<6>
<6>
<6>
<5>
MB90650A Series
PLL 1 multiplier
SCS = 1, MSC = 0
SCM = 1, MCM = 0
CS1/0 = 00
PLL 2 multiplier
SCS = 1, MSC = 0
SCM = 1, MCM = 0
CS1/0 = 01
PLL 3 multiplier
SCS = 1, MSC = 0
SCM = 1, MCM = 0
CS1/0 = 10
PLL 4 multiplier
SCS = 1, MSC = 0
SCM = 1, MCM = 0
CS1/0 = 11
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