7220 Datasheet, PDF (259/303 Pages) Renesas Technology Corp – 8-BIT SINGLE-CHIP MICROCOMPUTER

APPENDIX
6.7 Control registers
Border Selection Register
b7 b6 b5 b4 b3 b2 b1 b0
Border selection register (MD) [Address 00E5 16]
B
Name
Functions
0 Block 1 OUT1 output
0 : Same output as character output
border selection bit (MD10) 1 : Border output
1 Nothing is assigned. This bit is a write disable bit.
When this bit is read out, the value is “0.”
2 Block 1 OUT1 output
0 : Same output as character output
border selection bit (MD20) 1 : Border output
3
to
7
Nothing is assigned. These bits are write disable bits.
When these bits are read out, the values are “0.”
After reset R W
Indeterminate R W
0
R—
Indeterminate R W
0
R—
(See note)
(See note)
Note : M37220M3-XXXSP/FP
0 Block 1 OUT output
0 : Same output as character output
border selection bit (MD10) 1 : Border output
2 Block 2 OUT output
0 : Same output as character output
border selection bit (MD20) 1 : Border output
Indeterminate R W
Indeterminate R W
Fig. 6.7.17 Border selection register
Address 00E516
6-40
7220 Group User’s Manual