ra8806 RAIO Technology Inc., ra8806 Datasheet - Page 55

• Manufacturer Part Number: ra8806
• Description: Two Layers Character/graphic Lcd Controller
• Manufacturer: RAIO Technology Inc.

Preliminary Version 1.2
RA O
i
TECHNOLOGY INC.
The flowchart and sample settings for above applications are shown as follows:
1. Software Method:
(1) Flowchart:
Figure 6-23 : Key-Scan Flowchart (1)
0
Enable Key Scan( KS )
REG[A3h], REG[A4h] )
( REG[A0h] B7 = 1 )
( REG[0Fh] B1 = 0 )
( REG[0Fh] B1 = ? )
( Read REG[A2h],
Check KS Status
Execute Function
Clear KS Status
Read Key Code
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Start
End
Two Layers Character/Graphic LCD Controller
www.raio.com.tw
RA8806