Renesas PCA7429G02 Informacje Techniczne Strona 76

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73
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
M37272M6/M8–XXXSP/FP, M37272MA–XXXSP
M37272E8SP/FP, M37272EFSP
MITSUBISHI MICROCOMPUTERS
Rev. 1.3
8.11.5 Memory for OSD
There are 2 types of memory for OSD : OSD ROM used to store
character dot data and OSD RAM used to specify the characters and
colors to be displayed.
<M37272M6/M8-XXXSP/FP, M37272E8SP/FP>
OSD ROM : addresses 1400
16 to 3BFF16
OSD RAM : addresses 080016 to 087F16
<M37272MA-XXXSP, M37272EFSP>
OSD ROM : addresses 11400
16 to 13BFF16
OSD RAM : addresses 080016 to 087F16
Fig. 8.11.15 Character Font Data Storing Address
O
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.
(1) OSD ROM (addresses 140016 to 3BFF16)
The dot pattern data for OSD characters is stored in OSD ROM. To
specify the kinds of the character font, it is necessary to write the
character code into the OSD RAM.
Data of the character font is specified shown in Figure 8.11.15.
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