Specifications; Fig. 5.1.1 Connection Example; Fig. 5.1.2 Display Example - Renesas 7200 Series User Manual

APPLICATION
5.1 Example of multi-line display
5.1 Example of multi-line display
The M37221Mx-XXXSP/FP is used as a general example in describing this application for the 7220 group.
The M377221Mx-XXXSP/FP ordinarily displays 2 lines on a CRT screen by displaying 2 blocks at different
vertical positions. In addition to this, it can display 3 lines or more (multi-line display) by rewriting both
character data and display positions during interrupt processing, using CRT interrupts. An example of the
software processing for implemention this multi-line display is described below. This example is 12-line
multi-line display using blocks 1 and 2.
For CRT display details, refer to "2.11 CRT display function."

5.1.1 Specifications

Pins required: R, G, B, OUT1, H
H /V input polarity: positive polarity input
SYNC SYNC
R/G/B/OUT1 output polarity: positive polarity output
Character colors: red, blue, white, and cyan
No character background color
Bordering (OUT) is available
Character size: minimum size
12-line display
5.1.2 Connection example

Fig. 5.1.1 Connection example

Cyan
(R+G)
Red (R)

Fig. 5.1.2 Display example

5-2
, and V
SYNC SYNC
C A L E N D A R
J A N
Sun. Mon. Tues. Wed.
3
4 5
1 0
1 1 1 2 1 3
1 7
1 8 1 9 2 0
2 4
2 5 2 6 2 7
3 1
7220 Group User's Manual
Blue (B)
←The 1st line
← The 2nd line
← The 3rd line
← The 4th line
← The 5th line
Thur. Fri. Sat.
← The 6th line
1 2
← The 7th line
6 7 8 9
← The 8th line
1 4 1 5 1 6
← The 9th line
2 1 2 2 2 3
← The 10th line
2 8 2 9 3 0
← The 11th line
← The 12th line
Block 1
Block 2
Block 1
Block 2
Block 1
Block 2
Block 1
Block 2
Block 1
Block 2
Block 1
Block 2
White (R+G+B)