Fig. 6.7.19 Crt Control Register - Renesas 7200 Series User Manual

APPENDIX
6.7 Control registers
CRT Control Register
b7 b6 b5 b4 b3 b2 b1 b0

Fig. 6.7.19 CRT control register

6-42
CRT control register (CC) [Address 00EA
B Name
0
All-blocks display control
bit (Note 1) (CC0)
1 Block 1 display control bit
(CC1)
Block 2 display control bit
2
(CC2)
3
Nothing is assigned. These bits are write disable bits.
to
When these bits are read out, the values are "0."
6
7 P1 /OUT2 pin switch bit
0
(CC7)
Notes 1: Display is controlled by logical product (AND) between the all-blocks display
control bit and each block control bit.
2 : M37220M3-XXXSP/FP
7 Nothing is assigned. This bit is a write disable bit.
When this bit is read out, the value is "0."
7220 Group User's Manual
]
16
Functions After reset R W
0 : All-blocks display off
1 : All-blocks display on
0 : Block 1 display off
1 : Block 1 display on
0 : Block 2 display off
1 : Block 2 display on
0 : P1
0
1 : OUT2
0 R W
0 R W
0 R W
0 R —
0 R W
(See note 2)
0 R —
Address 00EA
16