HD6417618 RENESAS [Renesas Technology Corp], HD6417618 Datasheet - Page 429

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

Note:
Bit
1
0
*
Bit Name
BYTE1
BYTE0
This bit can be only written to by an external device while the HIFRS pin is held high. It
cannot be written to by the on-chip CPU.
Initial
Value
0
0
R/W
R/W*
R/W*
Description
Internal Register Byte Specification
These bits specify in advance the target word location
before the external device accesses a register among
HIFGSR, HIFSCR, HIFMCR, HIFIICR, HIFEICR,
HIFADR, HIFDATA, and HIFBCR.
•
00: Bits 31 to 16 in register
01: Setting prohibited
10: Bits 15 to 0 in register
11: Setting prohibited
•
00: Bits 15 to 0 in register
01: Setting prohibited
10: Bits 31 to 16 in register
11: Setting prohibited
However, when HIFDATA is selected using bits REG5 to
REG0, each time reading or writing of HIFDATA occurs,
these bits change according to the following rule.
00 → 10 → 00 → 10... repeated
When HIFSCR.BO = 0
When HIFSCR.BO = 1
Rev. 6.00 Jun. 12, 2007 Page 397 of 610
Section 15 Host Interface (HIF)
REJ09B0131-0600