Fig. 4.5.15 Crt Control Register; Fig. 4.5.16 Crt Port Control Register - Renesas 7200 Series User Manual

CRT Control Register
b7 b6 b5 b4 b3 b2 b1 b0
Fig. 4.5.15 CRT control register (address 00EA
CRT Port Control Register
b7 b6 b5 b4 b3 b2 b1 b0
Fig. 4.5.16 CRT port control register (address 00EC
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."
7
Note: Display is controlled by logical product (AND) between the all-blocks display
control bit and each block control bit.
)
16
CRT port control register (CRTP) [Address 00EC
B Name
0 H input polarity
SYNC
switch bit (HSYC)
1
V input polarity
SYNC
switch bit (VSYC)
2 R, G, B output polarity
switch bit (R/G/B)
3 Nothing is assigned. This bit is a write disable bit.
When this bit is read out, the value is "0."
4 OUT output polarity
switch bit (OUT)
5 R signal output switch bit
(OP5)
6 G signal output switch bit
(OP6)
7 B signal output switch bit
(OP7)
16
7220 Group User's Manual
M37220M3-XXXSP/FP
4.5 Functional description
]
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
]
16
Functions
0 : Positive polarity
1 : Negative polarity
0 : Positive polarity
1 : Negative polarity
0 : Positive polarity
1 : Negative polarity
0 : Positive polarity
1 : Negative polarity
0 : R signal output
1 : MUTE signal output
0 : G signal output
1 : MUTE signal output
0 : B signal output
1 : MUTE signal output
)
0 R W
0 R W
0 R W
0 R —
After reset R W
0 R W
0 R W
0 R W
0
R —
0 R W
0 R W
0 R W
0 R W
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