
MITSUBISHI MICROCOMPUTERS
M37207MF-XXXSP/FP, M37207M8-XXXSP
M37207EFSP/FP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
and ON-SCREEN DISPLAY CONTROLLER
47
Fig. 43. CRT Display Character Configuration
12 dots
16 dots
Fig. 44. CRT Control Register 1
b7 b6 b5 b4 b3 b2 b1 b0
0
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)
R W
R W
R W
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
3
0 : Block 3 display off
1 : Block 3 display on
0
Block 3 display control bit
(CC3)
R W
4
0 : Ordinary mode
1 : 1/2-character unit color
specification mode
0
Block 1 color specification
mode switch bit (CC4)
R W
5
0 : Oscillation stopped
1 : Oscillation enabled
0
Display oscillation stop bit
(CC5)
R W
6
0 : Ordinary 256 count
mode
1 : Double count mode
0
Scanning line double count
mode flag(CC6)
R W