Renesas SH7781 User Manual

Page 279

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9. On-Chip Memory

Rev.1.00 Jan. 10, 2008 Page 249 of 1658

REJ09B0261-0100

Bit Bit

Name

Initial
Value R/W

Description

5 to 0

L0SSZ

Undefined R/W

OL memory Page 0 Block Transfer Source Address
Select

When MMUCR.AT = 0 or RAMCR.RP = 0, these bits
select whether the operand addresses or L0SADR
values are used as bits 15 to 10 of the transfer source
physical address for block transfer to page 0A or 0B in
the OL memory. L0SSZ[5:0] correspond to the transfer
source physical addresses [15:10].

0: The operand address is used as the transfer source

physical address.

1: The L0SADR value is used as the transfer source

physical address.

Settable values:

111111: Transfer source physical address is specified

in 1-Kbyte units.

111110: Transfer source physical address is specified

in 2-Kbyte units.

111100: Transfer source physical address is specified

in 4-Kbyte units.

111000: Transfer source physical address is specified

in 8-Kbyte units.

110000: Transfer source physical address is specified

in 16-Kbyte units.

100000: Transfer source physical address is specified

in 32-Kbyte units.

000000: Transfer source physical address is specified

in 64-Kbyte units.

Settings other than the ones given above are
prohibited.

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