Renesas M16C/62P Series Hardware Manual page 88

M16C/62P Group (M16C/62P, M16C/62PT)
Data Bank Register
b7 b6 b5 b4 b3 b2 b1 b0
NOTES :
1. Effective w hen the PM01 to PM00 bits in the PM0 register are set to "01b" (memory expansion mode) or "11b"
(microprocessor mode).
Figure 9.1 DBR Register
Rev.2.41 Jan 10, 2006
REJ09B0185-0241
http://www.xinpian.net
(1)
Symbol Address
000Bh
DBR
Bit Symbol Bit Name
— Nothing is assigned. When w rite, set to "0".
(b1-b0) When read, their contents are "0".
Offset Bit
OFS
Bank Selection Bits
BSR0
BSR1
BSR2
— Nothing is assigned. When w rite, set to "0".
(b7-b6) When read, their contents are "0".
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9. Memory Space Expansion Function
Function
0 : Not offset
1 : Offset
b5 b4 b3 b5 b4 b3
0 0 0 : Bank 0 0 0 1 : Bank 1
0 1 0 : Bank 2 0 1 1 : Bank 3
1 0 0 : Bank 4 1 0 1 : Bank 5
1 1 0 : Bank 6 1 1 1 : Bank 7
010-62245566 13810019655
After Reset
00h
RW
—
RW
RW
RW
RW
—