HD64F7047 datasheet(85/764 Pages) RENESAS

85 / 764 page

Rev. 2.00, 09/04, page 45 of 720

Section 3 MCU Operating Modes

3.1

Selection of Operating Modes

This LSI has four operating modes and four clock modes. The operating mode is determined by

the setting of MD3–MD0, and FWP pins. Do not change these pins during LSI operation (while

power is on). Do not set these pins in the other way than the combination shown in Table 3.1.

Table 3.1

Selection of Operating Modes

Pin Setting

Mode

No.

FWP MD3

MD2

MD1

MD0 Mode Name

On-Chip

ROM

Bus Width of

CS0 Area*

Mode 0

MCU extension

mode 0

Not Active

8-bit

Mode 1*

MCU extension

mode 1

Not Active



Mode 2

MCU extension

mode 2

Active

Set by BCR1 of

BSC

Mode 3

Single chip mode

Active



Set by BCR1 of

BSC

Boot mode*

Active



Set by BCR1 of

BSC

User programming

mode*

Active



Notes: The symbol x means “Don’t care.”

1. The mode3 and an 8-bit space of MCU extension mode is supported.

2. Programming mode for flash memory. Supported in only F-ZTAT version.

3. Cannot be used for this LSI.

There are two modes as the MCU operating modes: MCU extension mode and single chip mode.

There are two modes to program the flash memory (on-board programming mode): boot mode and

user programming mode.

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