SH7144_08 Datasheet, PDF(92/930 Page) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperHTM RISC engine Family/SH7144 Series

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SH7144_08 Datasheet, PDF (92/930 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperHTM RISC engine Family/SH7144 Series

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3. MCU Operating Modes

The clock mode is selected by the input of MD2 and MD3 pins.

Table 3.2 Clock Mode Setting

Pin Setting

Clock Ratio (when input clock is 1)

Clock Mode No. MD3

MD2

Peripheral

System clock (Ï) clock (PÏ)

System clock

output (CK)

0

0

0

Ã1

Ã1

Ã1

1

0

1

Ã2

Ã2

Ã2

2

1

0

Ã4

Ã4*

Ã4

3

1

1

Ã4

Ã2

Ã4

Note: * The maximum clock input frequency is 10MHz because the pÏ is specified as 40MHz or

less.

Rev.4.00 Mar. 27, 2008 Page 48 of 882

REJ09B0108-0400

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