ra8806 RAIO Technology Inc., ra8806 Datasheet - Page 49
ra8806
Manufacturer Part Number
ra8806
Description
Two Layers Character/graphic Lcd Controller
Manufacturer
RAIO Technology Inc.
Datasheet
1.RA8806.pdf
(184 pages)
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Preliminary Version 1.2
RA O
i
TECHNOLOGY INC.
Please refer to the flowchart and setting examples for applying above methods:
(1) Flowchart:
0
Figure 6-21 : Polling Mode Flowchart for Touch Screen
Wait for TP event Mode
( REG[C4h][1:0] = 01 )
Enable Touch Panel
( REG[C0h] B7 = 1 )
( REG[C4h] B7 = 1 )
( REG[0Fh] B3 = ? )
Other Function
Check TP Event
Check TP Event
Set Auto Mode
100 times ?
1
Start
invalid
49/184
valid
Two Layers Character/Graphic LCD Controller
( REG[C4h][1:0] = 10 )
( REG[C4h][1:0] = 11 )
REG[C2h], REG[C3h] )
Clear TP INT Status
( REG[0Fh] B0 = 0 )
Delay enough time
Delay enough time
( Read REG[C1h],
Execute Function
Read X, Y-axis
Latch X Data
Latch Y Data
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RA8806
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