Fig. 2.11.3 Crt Control Register (Address 00Ea 16 ) - Renesas 7200 Series User Manual

CRT Control Register
b7 b6 b5 b4 b3 b2 b1 b0
Fig. 2.11.3 CRT control register (address 00EA
FUNCTIONAL DESCRIPTION
CRT control register (CC) [Address 00EA
B Name
0 All-blocks display control
bit (Note) (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)
Note: Display is controlled by logical product (AND) between the all-blocks display
control bit and each block control bit.
)
16
7220 Group User's Manual
2.11 CRT display function
]
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
2-73