MB90092 Просмотр технического описания (PDF) - Fujitsu

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Компоненты Описание

производитель

MB90092

ON-Screen Display Controller

Fujitsu 

MB90092

s COMMAND

1. VRAM Address Setting (Command 0)

First byte

MSB

1

0

LSB

0

0

0 VSL RA8 RA7

Second byte

MSB

0

LSB

RA6 RA5 CA4 CA3 CA2 CA1 CA0

VSL

: VRAM write control

RA8 to RA5 : VRAM row address setting (0H to BH)

CA4 to CA0 : VRAM column address setting (00H to 17H)

2. VRAM Data Settings 1 and 2 (Commands 1 and 2)

(1) Writing main screen character control data (when command 0: VSL = 0)

• Command 1-1 (Main screen character control data setting 1)

First byte

MSB

1

0

LSB

0

0

1 MA MB AT

Second byte

MSB

LSB

0

CG

CR

CB

MC

BG BR BB

(GR) (BS) (MD) *

*: Parenthesized bit names are used for extended graphics mode.

• Command 2-1 (Main screen character control data setting 2)

First byte

MSB

1

0

LSB

0

1

0 M9 M8 M7

Second byte

MSB

LSB

0 M6 M5 M4 M3 M2 M1 M0

(MD), MC to M0

AT

CG, CR, CB

BG, BR, BB

(GR)

(BS)

: Character code

: Specify character attribute display.

: Character colors

: Character background colors

: Specify normal character/graphic character display.

: Specify shaded background display.

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