M16C62P_06 Datasheet, PDF (88/421 Pages) Renesas Technology Corp – 16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M16C/60 SERIES

M16C/62P Group (M16C/62P, M16C/62PT)
9. Memory Space Expansion Function
Data Bank Register ⁽¹⁾
b7 b6 b5 b4 b3 b2 b1 b0
Symbol
DBR
Address
000Bh
After Reset
00h
Bit Symbol
Bit Name
Function
RW
—
Nothing is assigned. When w rite, set to “0”.
(b1-b0) When read, their contents are “0”.
—
Offset Bit
0 : Not offset
OFS
1 : Offset
RW
BSR0
BSR1
Bank Selection Bits
BSR2
b5 b4 b3
b5 b4 b3
RW
0 0 0 : Bank 0
0 0 1 : Bank 1
0 1 0 : Bank 2
0 1 1 : Bank 3
RW
1 0 0 : Bank 4
1 0 1 : Bank 5
1 1 0 : Bank 6
1 1 1 : Bank 7
RW
—
Nothing is assigned. When w rite, set to “0”.
(b7-b6) When read, their contents are “0”.
—
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 Page 73 of 390
REJ09B0185-0241