SH7014 datasheet(85/754 Pages) RENESAS

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3. Operating Modes

Rev.5.00 Sep. 27, 2007 Page 51 of 716

REJ09B0398-0500

Section 3 Operating Modes

3.1

Operating Modes, Types, and Selection

This LSI has five operating modes and three clock modes, determined by the setting of the mode

pins (MD3 to MD0). Do not change the mode pin settings during LSI operation (while power is

on).

Table 3.1 indicates the setting method for the operating mode.

Table 3.1

Operating Mode Setting

Pin Setting

Mode

No.

FWP MD3*

MD2*

MD1

MD0 Mode Name

On-Chip

ROM

CS0 Area

MCU mode 0

Not Active

8-bit space

MCU mode 1

Not Active

16-bit space

MCU mode 2

Active

8/16-bit space*

Single chip mode

Active

⎯

Boot mode*

Active

8/16-bit space*

⎯

Active

8/16-bit space*

User programming

mode*

⎯

Flash programmer

mode*

Active

⎯

Notes: 1. MD2 and MD3 pins select the clock mode in modes 0 to 3 (table 3.2).

2. Set by BCR1 of BSC.

3. Only F-ZTAT.

4. Only SH7016, SH7017.

Table 3.2 indicates the setting method for the clock mode.

Table 3.2

Clock Mode Setting

MD3

MD2

Clock Mode

PLL ON

× 1

PLL ON

× 2

PLL ON

× 4

Reserved

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