141
MC97F60128
ABOV Semiconductor Co., Ltd.
11.1.2 Block Diagram
Clock
Change
System
Clock Gen.
SCLK (fx)
(Core, System,
Peripheral)
DCLK
BIT
WDT
BIT
overflow
XIN
XOUT
Main OSC
f
XIN
STOP Mode
XCLKE
WDTRC OSC
(5KHz)
WDTCK
Stabilization Time
Generation
M
U
X
WDT clock
SXIN
SXOUT
Sub OSC
f
SUB
STOP Mode
SCLKE
WT
2
SCLK[1:0]
/256
Internal RC OSC
(16MHz)
STOP Mode
IRCE
PLL
f
PLL
BIT clock
fx/4096
fx/1024
fx/128
fx/16
M
U
X
BITCK[1:0]
f
IRC
1/2
1/4
1/8
M
U
X
1/16
1/32
3
IRCS[2:0]
Figure 11.1
Clock Generator Block Diagram
11.1.3 Phase Locked-Loop Block
Diagram
Phase
Locked
Loop
Feedback Divider
f
VCO
÷(1500)
Post 2-Divider
f
VCO
÷2
P2DIV
P2DIV[1:0]
2
PLLEN
VCO
f
VCO
f
PLL
f
FB
Post 1-Divider
f
VCO
÷(P1DIV+3)
P1DIV[1:0]
2
Figure 11.2
Phase Locked-Loop Circuit Diagram
Содержание MC97F60128
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Страница 19: ...19 MC97F60128 ABOV Semiconductor Co Ltd Figure 4 3 80 Pin LQFP 1414 Package...
Страница 20: ...20 MC97F60128 ABOV Semiconductor Co Ltd Figure 4 4 64 Pin LQFP 1414 Package...