参数资料
型号: MB90654APF
元件分类: 微控制器/微处理器
英文描述: 16-BIT, MROM, 12 MHz, MICROCONTROLLER, PQFP100
封装: PLASTIC, QFP-100
文件页数: 72/106页
文件大小: 873K
代理商: MB90654APF
MB90650A Series
68
State transition diagram for clock selection (2)
Main
SCS = 1, MCS = 1
SCM = 1
MCM = 1
PLL
× → Sub
SCS = 0, MCS =
×
SCM = 1, MCM = 0
CS1/0 =
××
Main
→ PLL×
SCS = 1, MCS = 0
SCM = 1, MCM = 1
CS1/0 =
××
Main
→ Sub
SCS = 0
SCM = 1
MCM = 1
Sub
→ Main
SCS = 1
SCM = 0
MCM = 1
Sub
SCS = 0
SCM = 0
MCM = 1
<1>
<2>
<3>
<4>
<5>
<6>
<1> SCS bit cleared
<2> Sub clock edge detection timing
<3> SCS bit set
<4> Main clock oscillation stabilization delay complete and MCS = 1
<5> PLL clock and main clock synchronized timing and SCS = 0
<6> Main clock ascillation stabilization delay complete and MCS = 0
Power-on
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