7220 datasheet(260/303 Pages) RENESAS

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7220 Group User’s Manual

APPENDIX

6.7 Control registers

6-41

Fig. 6.7.18 Color register n

b7 b6 b5 b4 b3 b2 b1 b0

Color register n (CO0 to CO3) (n = 0 to 3) [Addresses 00E616 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

OUT1 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

Nothing is assigned. This bit is a write disable bit.

When this bit is read out, the value is “0.”

(See note 1)

(See notes 1, 2)

(See note 2)

Notes 1: When bit 5 = “0” and bit 4 = “1,” there is output same as a character or border output

from the OUT1 pin.

Do not set bit 5 = “0” and bit 4 = “0.”

2: When only bit 7 = “1” and bit 5 = “0,” there is output from the OUT2 pin.

R—

(See note 3)

3: M37220M3-XXXSP/FP

OUT signal output

control bit (COn5)

0 : Character is output

1 : Blank is output

6, 7 Nothing is assigned. These bits are write disable bits.

When these bits are read out, the values are “0.”

Nothing is assigned. This bit is a write disable bit.

When this bit is read out, the value is “0.”

R—

Addresses 00E616 to 00E916

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