109
MITSUBISHI MICROCOMPUTERS
M37207MF-XXXSP/FP, M37207M8-XXXSP
M37207EFSP/FP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
and ON-SCREEN DISPLAY CONTROLLER
b7 b6 b5 b4 b3 b2 b1 b0
CRT control register 1 (CC) [Address 00EA
16
]
B Name
Functions
After reset
R
W
CRT Control Register 1
0
All-blocks display control
bit (CC0) (See note)
0 : All-blocks display off
1 : All-blocks display on
0
1 Block 1 display control bit
(CC1)
0 : Block 1 display off
1 : Block 1 display on
0
2
0 : Block 2 display off
1 : Block 2 display on
0
Block 2 display control bit
(CC2)
RW
RW
RW
7
0
Note: Display is controlled by logical product (AND) between the all-blocks display
control bit and each block control bit.
Fix this bit to “0.” R W
0
3
0 : Block 3 display off
1 : Block 3 display on
0
Block 3 display control bit
(CC3)
RW
4
0 : Ordinary mode
1 : 1/2-character unit color
specification mode
0
Block 1 color specification
mode switch bit (CC4)
RW
5
0 : Oscillation stopped
1 : Oscillation enabled
0
Display oscillation stop bit
(CC5)
RW
6
0 : Ordinary 256 count
mode
1 : Double count mode
0
Scanning line double count
mode flag(CC6)
RW
CRT Contol Register 1
Color Register n
Address 00EA16
Addresses 00E616, 00E916
b7 b6 b5 b4 b3 b2 b1 b0
Color register n (CO0 to CO3) (n = 0 to 3) [Addresses 00E6
16
to 00E9
16
]
B Name Functions
After reset
R
W
Color Register n
0 0
1 B signal output
selection bit (COn1)
0 : No character is output
1 : Character is output
0
2
G signal output
selection bit (COn2)
0 : No character is output
1 : Character is output
0
3 R signal output
selection bit (COn3)
0 : No character is output
1 : Character is output
0
4
B signal output (background)
selection bit (COn4)
0 : No background color is output
1 : Background color is output
0
5 OUT signal output
control bit (COn5)
0 : Character is output
1 : Blank is output
0
6
G signal output (background)
selection bit (COn6)
0 : No background color is output
1 : Background color is output
0
7
R signal output (background)
selection bit (COn7)
0 : No background color is output
1 : Background color is output
0
(See notes 1,2)
(See notes 1, 2)
Notes 1: When bit 5 = “0” and bit 4 = “1,” there is output same as a character or border output
from the OUT pin.
2: When bit 5 = “0” and bit 4= “0,” there is no output from the OUT pin.
RW
RW
RW
RW
RW
RW
RW
RW
I signal output
selection bit (COn0)
0 : No character is output
1 : Character is output
