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ST40RA Datasheet(PDF) 33 Page - STMicroelectronics

Part # ST40RA
Description  32-bit Embedded SuperH Device
PDF  94 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST40RA Datasheet(HTML) 33 Page - STMicroelectronics

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6 Clock generation
ST40RA
33/94
STMicroelectronics
ADCS 7260755H
Figure 5: ST40RA CLOCKGEN subsystem
27 MHz
1
2
3
4
ST40 CLOCKGENA
PLL2
PLL1
LPU
Control
Control
ST40 CLOCKGENB
CPU_CLK (X_ICK)
STBUS_CLK (X_BCK)
PER_CLK (X_PCK))
LMI_CLK
EMI_SS_CLK
ST40RA CLOCKGEN subsystem
CLOCKCON
PLL1
PLL2
PCI_SS_CLK
PCI_BUS_CLK
CLK_SEL[3:0]
XTAL
CPU core
SuperHyway
T1
ST40RA
1
2
3
4
5
1
2
3
4
PLL1
LPU
Control
PLL1
T1
0
1
00
01
10
11
0
1
PCI_SEL
EMI_SEL
LMI_SEL
(external)
Control
PLL2
1
2
3
4
5



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