HD6417618 RENESAS [Renesas Technology Corp], HD6417618 Datasheet - Page 443

• Manufacturer Part Number: HD6417618
• Description: 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7618 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

15.7
15.7.1
Writing of HIFIDX and reading of HIFGSR are shown in figure 15.4.
15.7.2
As shown in figure 15.5, in reading and writing of HIF internal registers other than HIFIDX and
HIFGSR, first HIFRS is held high and HIFIDX is written to in order to select the register to be
accessed and the byte location. Then HIFRS is held low, and reading or writing of the register
selected by HIFIDX is performed.
HIFD15 to HIFD00
Interface (Details)
HIFIDX Write/HIFGSR Read
Reading/Writing of HIF Registers other than HIFIDX and HIFGSR
HIFWR
HIFRD
HIFCS
HIFRS
HIFD15 to HIFD00
Figure 15.4 HIFIDX Write and HIFGSR Read
HIFWR
HIFRD
HIFCS
HIFRS
Register selection
Figure 15.5 HIF Register Settings
Index write
HIFIDX
HIFIDX write cycle
Register write
WT_D
WT_D
HIFGSR read cycle
Rev. 6.00 Jun. 12, 2007 Page 411 of 610
Register read
RD_D
RD_D
Section 15 Host Interface (HIF)
REJ09B0131-0600