7220 Datasheet, PDF (161/303 Pages) Renesas Technology Corp – 8-BIT SINGLE-CHIP MICROCOMPUTER

M37220M3-XXXSP/FP
4.5 Functional description
Figure 4.5.12 shows the structure of CRT display RAM.
Block 1
[Character specification]
7
1st character : 0600 16
to
20th character : 061316
[Color specification]
1st character : 0680 16
to
20th character : 069316
10
Block 2
[Character specification]
7
1st character : 0620 16
to
20th character : 063316
[Color specification]
1st character : 06A016
to
20th character : 06B3 16
10
0
Character code
Specify 128 characters (“00 16” to “7F16”)
Color register specification
0 0 : Specifying color register 0
0 1 : Specifying color register 1
1 0 : Specifying color register 2
1 1 : Specifying color register 3
0
Character code
Specify 128 characters (“00 16” to “7F16”)
Color register specification
0 0 : Specifying color register 0
0 1 : Specifying color register 1
1 0 : Specifying color register 2
1 1 : Specifying color register 3
Fig. 4.5.12 Structure of CRT display RAM
7220 Group User’s Manual
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