M37207M8-059SP datasheet(58/121 Pages) MITSUBISHI

58 / 121 page

MITSUBISHI MICROCOMPUTERS

M37207MF-XXXSP/FP, M37207M8-XXXSP

M37207EFSP/FP

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER

and ON-SCREEN DISPLAY CONTROLLER

(5) Color Registers

The color of a displayed character can be specified by setting the

color to one of the 4 registers (CO0 to CO3: addresses 00E616 to

00E916) and then specifying that color register with the CRT display

RAM. There are 4 color outputs; R, G, B and I. By using a combina-

tion of these outputs, it is possible to set 24–1 (when no output) = 15

colors. However, since only 4 color registers are available, up to 4

colors can be disabled at one time.

R, G, B and I outputs are set by using bits 0 to 3 in the color register.

Bit 5 is used to specify whether a character output or blank output.

Bits 4, 6 and 7 are used to specify character background color. Fig-

ure 54 shows the structure of the color register.

Fig. 54. Color Register n

b7 b6 b5 b4 b3 b2 b1 b0

Color register n (CO0 to CO3) (n = 0 to 3) [Addresses 00E6 16 to 00E916]

Name

Functions

After reset R W

Color Register n

B signal output

selection bit (COn1)

0 : No character is output

1 : Character is output

G signal output

selection bit (COn2)

0 : No character is output

1 : Character is output

R signal output

selection bit (COn3)

0 : No character is output

1 : Character is output

B signal output (background)

selection bit (COn4)

0 : No background color is output

1 : Background color is output

OUT signal output

control bit (COn5)

0 : Character is output

1 : Blank is output

G signal output (background)

selection bit (COn6)

0 : No background color is output

1 : Background color is output

R signal output (background)

selection bit (COn7)

0 : No background color is output

1 : Background color is output

(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.

I signal output

selection bit (COn0)

0 : No character is output

1 : Character is output

M37207M8-059SP Datasheet(PDF) 58 Page - Mitsubishi Electric Semiconductor

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