MC141541 查看數據表（PDF） - Motorola => Freescale

零件编号

产品描述 (功能)

生产厂家

MC141541

Enhanced Monitor On-Screen Display

Motorola => Freescale 

memory in order to avoid overrunning the limited amount of

row space on the screen.

For rows with double width alphanumeric symbols, only

the data contained in the even numbered columns of the

memory map are shown. Odd numbered columns are

treated in the same manner as double height rows.

Character RAM/ROM

The RAM fonts occupy the font numbers $00 to $07, and

their patterns can be changed at any time via the SPI or

M_BUS protocol. The masked ROM fonts are fixed and lo-

cated from number $08 to $7F. See Figure 9 for details.

FONT NUMBER: $00 – $7F

0 12

7 89A

7D 7E 7F

ÇÇÇÇÇÇ ÇÇÇÇÇÇÇÇÇ ÇÇÇÇÇÇÇÇÇ ....

.......................

8 CHARACTER RAM FONTS

($00 – $07)

120 CHARACTER ROM FONTS

($08 – $7F)

Figure 9. Arrangement of Character RAM/ROM Fonts

MOTOROLA

MC141541

7

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