ST40RA View Datasheet(PDF) - STMicroelectronics

Part Name

Description

MFG CO.

ST40RA

32-bit Embedded SuperH Device

STMicroelectronics 

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6 Clock generation

ST40RA

27 MHz

XTAL

CLOCKGEN

subsystem

STBUS_CLK

(X_BCK)

SuperHyway

CPU_CLK(X_ICK)

PER_CLK(X_PCK)

SHc-4orCePU

SH-4 core

peripherals

STBUS_CLK

LMI_CLK

EMI_SS_CLK

LMI LMI int

DLL

CLK SDRAM

or DDR

memory

EMI

subsystem

CLK Flash.

MPX bus,

SDRAM

PCI_SS_CLK

PCI_BUS_CLK

PCI

subsystem

PCI int.

CLK

PCI

bus

See CLOCKGENA.PLL1 clock domains

See CLOCKGENA.PLL2 clock domains

See CLOCKGENB.PLL1 clock domains

Figure 4: ST40RA clock domains

31/94 STMicroelectronics

ADCS 7260755H

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