Register Summary
62
– Register Descriptions
VL-586-1 Reference Manual
M
AP AND
P
AGING
C
ONTROL
R
EGISTER
MPCR (READ/WRITE) 00E3H
D7
D6
D5
D4
D3
D2
D1
D0
FPAGE
Reserved
RPG5
RPG4
RPG3
RPG2
RPG1
RPG0
Table 41: Map and Paging Control Register Bit Assignments
Bit
Mnemonic
Description
D7
FPAGE
Flash Paging Enable
— Enables a 64K page frame from E0000h to EFFFFh.
Used to gain access to the on-board FLASH or BBSRAM.
FPAGE = 0
Page Frame Disabled.
FPAGE = 1
Page Frame Enabled.
D6
—
Reserved
— This bit has no function. Always reads as 0.
D5-D0
RPG5-RPG0
Page Select
— Selects which 64K block is mapped into the page frame.
RPG5
RPG4
RPG3
RPG2
RPG1
RPG0
Memory Range
0
0
0
X
X
X
8 Pages BBSRAM
0
1
1
X
X
X
8 Pages FLASH 0
1
X
X
X
X
X
32 Pages FLASH 1
Содержание VL-586-1
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