HD6417618A datasheet(427/646 Pages) RENESAS

部件名	HD6417618A

功能描述	32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7618 Series

PDF	646 Pages

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制造商	RENESAS [Renesas Technology Corp]

网页	http://www.renesas.com

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Section 15 Host Interface (HIF)

Rev. 6.00 Jun. 12, 2007 Page 395 of 610

REJ09B0131-0600

15.4

The HIF has the following registers.

• HIF index register (HIFIDX)

• HIF general status register (HIFGSR)

• HIF status/control register (HIFSCR)

• HIF memory control register (HIFMCR)

• HIF internal interrupt control register (HIFIICR)

• HIF external interrupt control register (HIFEICR)

• HIF address register (HIFADR)

• HIF data register (HIFDATA)

• HIF boot control register (HIFBCR)

• HIFDREQ trigger register (HIFDTR)

• HIF bank interrupt control register (HIFBICR)

15.4.1

HIF Index Register (HIFIDX)

HIFIDX is a 32-bit register used to specify the register read from or written to by an external

device when the HIFRS pin is held low. HIFIDX can be only read by the on-chip CPU. HIFIDX

can be only written to by an external device while the HIFRS pin is driven high.

Bit

Bit Name

Initial

Value

R/W

Description

31 to 8 —

All 0

Reserved

These bits are always read as 0. The write value should

always be 0.

HD6417618A 数据表(PDF) 427 Page - Renesas Technology Corp