H8SSLASH2214 datasheet(810/936 Pages) RENESAS

Il numero della parte	H8S/2214

Spiegazioni elettronici	16-Bit Single-Chip Microcomputer H8S Family/H8S/2200 Series

PDF	936 Pages

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Produttore elettronici	RENESAS [Renesas Technology Corp]

Homepage	http://www.renesas.com

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Appendix B Internal I/O Register

Rev.4.00 Sep. 18, 2008 Page 750 of 872

REJ09B0189-0400

SCKCR—System Clock Control Register

H'FDE6

Clock Pulse Generator

PSTOP

R/W

—

R/W

—

R/W

SCK0

R/W

SCK2

R/W

SCK1

R/W

Bit

Initial value

R/W

φ Clock Output Disable

φ output

Fixed high

φ output

Fixed high

High impedance

System Clock Select 2 to 0

—

Bus master is in high-speed mode

Medium-speed clock is

φ/2

Medium-speed clock is

φ/4

Medium-speed clock is

φ/8

Medium-speed clock is

φ/16

Medium-speed clock is

φ/32

—

Reserved

Only 0 should be written to this bit.

Reserved

Only 0 should be written to this bit.

Hardware

Standby Mode

Software

Standby Mode

Sleep Mode

High-Speed Mode,

Medium-Speed Mode

PSTOP

MDCR—Mode Control Register

H'FDE7

MCU

—

MDS0

—*

MDS2

—*

MDS1

—*

Note: * Determined by pins MD2 to MD0.

Bit

Initial value

R/W

These bits correspond to the mode pins (MD2 to MD0).

When MDCR is read, the input levels at the mode pins

(MD2 to MD0) are latched in bits MDS2 to MDS0.

Mode Select 2 to 0

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