2 register descriptions – Renesas SH7781 User Manual

Page 276

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9. On-Chip Memory

Rev.1.00 Jan. 10, 2008 Page 246 of 1658
REJ09B0261-0100

9.2

Register Descriptions

The following registers are related to the on-chip memory.

Table 9.4

Register Configuration

Name Abbreviation

R/W

P4

Address*

Area 7
Address* Access

Size

On-chip memory control
register

RAMCR

R/W

H'FF00 0074

H'1F00 0074

32

OL memory transfer source
address register 0

LSA0

R/W

H'FF00 0050

H'1F00 0050

32

OL memory transfer source
address register 1

LSA1

R/W

H'FF00 0054

H'1F00 0054

32

OL memory transfer
destination address register
0

LDA0

R/W

H'FF00 0058

H'1F00 0058

32

OL memory transfer
destination address register
1

LDA1

R/W

H'FF00 005C H'1F00 005C

32

Note: * The P4 address is the address used when using P4 area in the virtual address space.

The area 7 address is the address used when accessing from area 7 in the physical
address space using the TLB.

Table 9.5

Register States in Each Processing Mode

Name Abbreviation

Power-On
Reset Manual

Reset Sleep

Standby

On-chip memory control
register

RAMCR

H'0000 0000 H'0000 0000

Retained

Retained

OL memory transfer source
address register 0

LSA0 Undefined

Undefined

Retained

Retained

OL memory transfer source
address register 1

LSA1 Undefined

Undefined

Retained

Retained

OL memory transfer
destination address register
0

LDA0 Undefined

Undefined

Retained

Retained

OL memory transfer
destination address register
1

LDA1 Undefined

Undefined

Retained

Retained

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