
105
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
3/3
GZZ–SH55–37B < 91A0 >
740 FAMILY MASK ROM CONFIRMATION FORM
SINGLE-CHIP MICROCOMPUTER M37272M6-XXXSP/FP
MITSUBISHI ELECTRIC
AD15 AD14 AD13 AD12 AD11 AD10 AD9 AD8 AD7 AD6 AD5 AD4 AD3 AD2 AD1 AD0
0
0A
16
0B
16
0C
16
0D
16
0E
16
0F
16
10
16
11
16
12
16
13
16
14
16
15
16
16
16
17
16
18
16
19
16
1A
16
1B
16
1C
16
1D
16
DB7 DB6 DB5DB4 DB3 DB2 DB1 DB0 DB7 DB6 DB5 DB4 DB3DB2 DB1 DB0
0
Notes 1 : The 80-byte addresses corresponding to the character code “7F
16” and “8016” in OSD ROM are the test
data storning area. Set “FF
16” to the area (We stores the test data to this area and the different data
from “FF
16” is stored for the actual products.)
The test data storing area :
addresses 1000
16 + (4 + 2n) ✕ 10016 + FE16 to 100016 + (5 + 2n) ✕ 10016 + 0116 (n = 0 to 19)
2 : The character code “09
16” is used for “transparent space” when displaying Closed Caption.
Therefore, set “00
16” to the 40-byte addresses corresponding to the character code “09 16.”
The transparent space font data storing area :
addresses 1000
16 + (4 + 2n) ✕ 10016 + 1216 to 100016 + (4 + 2n) ✕ 10016 + 1316 (n = 0 to 19)
Font data must be stored in the proper OSD ROM address according to the following table.
OSD ROM address of character font data
Line number = 0A
16 to 1D16
Character code = 0016 to FF16 (Do not set 7F16 and 8016.)
Font bit = 0: Left font
1: Right font
OSD ROM address bit
Line number / Character code /
Font bit
Font
bit
Line number Character code
Example) The font data “60” (shaded area ) of the character code “AA 16” is stored in address
0 0 1 0 0 1 0 1 0 1 0 1 0 1 0 0
2 =255416.
Left font Right font
Line number
Character code “AA16”
addresses 14FE
16 to 150116
addresses 16FE16 to 170116
addresses 38FE16 to 390116
addresses 3AFE16 to 3B0116
•
•
•
addresses 141216 and 141316
addresses 161216 and 161316
addresses 381216 and 381316
addresses 3A1216 and 3A1316
•
•
•
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