SH7211 datasheet(86/1228 Pages) RENESAS

Part #	SH7211

Description	32-Bit RISC Microcomputer SuperHTM RISC engine Family

PDF	1228 Pages

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Manufacturer	RENESAS [Renesas Technology Corp]

Direct Link	http://www.renesas.com

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86 / 1228 page

Section 4 Clock Pulse Generator (CPG)

Rev. 2.00 May. 08, 2008 Page 62 of 1200

REJ09B0344-0200

[Legend]

Frequency control register

MTU2S clock frequency control register

AD clock frequency control register

Standby control register

Standby control register 2

Standby control register 3

Standby control register 4

FRQCR:

MCLKCR:

ACLKCR:

STBCR:

STBCR2:

STBCR3:

STBCR4:

FRQCR

MCLKCR

ACLKCR

STBCR

STBCR2

STBCR3

STBCR4

Bus interface

MD_CLK2

MD_CLK0

CPG control unit

Clock frequency

control circuit

Standby control circuit

EXTAL

XTAL

PLL circuit 1

(

×1, 2, 4)

PLL circuit 2

(

×4)

Divider 1

MTU2S clock

φ, Max. 80 MHz)

AD clock

φ, Max. 40 MHz)

Internal clock

φ, Max. 160 MHz)

Peripheral clock

φ, Max. 40 MHz)

Bus clock

φ = CK, Max. 40 MHz)

Crystal

oscillator

On-chip oscillator

HPB bus

×1

×1/2

×1/4

×1/8

Figure 4.1 Block Diagram of Clock Pulse Generator

SH7211 Datasheet(PDF) 86 Page - Renesas Technology Corp

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