HD6417750RF240V Datasheet, PDF(88/606 Page) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2600 Series

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HD6417750RF240V Datasheet, PDF (88/606 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2600 Series

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Section 3 MCU Operating Modes

3.2.1 Mode Control Register (MDCR)

Bit Bit Name Intial Value R/W

7

â

1

R/W

6 to 3 â

All 0

â

2

MDS2

â

R

1

MDS1

â

R

0

MDS0

â

R

Descriptions

Reserved

Only 1 should be written to this bit.

Reserved

These bits are always read as 0 and cannot be

modified.

These bits indicate the input levels at pins MD2 to

MD0 (the current operating mode). Bits MDS2 to

MDS0 correspond to MD2 to MD0. MDS2 to MDS0

are read-only bits and they cannot be written to. The

mode pin (MD2 to MD0) input levels are latched into

these bits when MDCR is read. These latches are

canceled by a reset. These latches are canceled by

a reset.

Rev. 7.00 Sep. 11, 2009 Page 52 of 566

REJ09B0211-0700

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