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5
3.2 Configuration information (R/W)
Register
Config Data
bit7
bit6
bit5
bit4
bit3
bit2
bit1
bit0
0x8047
Config_
Version
The version number of configuration documents ( configuration parameters will be updated only
when the version number of the new release is later than that of the previous one, or equal to that of
the previous one but there are changes in contents; documents are numbered sequentially from 'A' to
'Z'; Send 0x00 and the version number is reset to ‘A’)
0x8048
X Output Max
(Low Byte)
Resolution of X axis
0x8049
X Output Max
(High Byte)
0x804A
Y Output Max
(Low Byte)
Resolution of Y axis
0x804B
Y Output Max
(High Byte)
0x804C
Touch Number
Reserved
Touch points supported: 1 to 5
0x804D
Module_
Switch1
Driver_
Resersal
(Y2Y)
Sensor_
Resersal
(
X2X
)
Stretch_rank
X2Y
(X,Y
axis
switch-ov
er
)
Sito
(
Software
noise
reduction
)
INT triggering mechanism
00: rising edge
01: falling edge
02: Low level
03: High level
0x804E
Module_
switch2
Reserved
FirstFilte
r_Dis
Reserved
Approch_
En
HotKnot
_En
Touch_
Key
0x804F
Shake_Count
De-jitter frequency when touch is being released
De-jitter frequency when touch is pressing down
0x8050
Filter
First_Filter
Normal_Filter (
Filter threshold for original coordinates, coefficient is 4
)
0x8051
Large_Touch
Number of large-area touch points
0x8052
Noise_
Reduction
Reserved
Noise reduction value (0-15 valid, coefficient is 1)
0x8053
Screen_
Touch_Level
Threshold for touch to be detected
0x8054
Screen_
Leave_Level
Threshold for touch to be released
0x8055
Low_Power_
Control
Reserved
Interval to enter lower power consumption
mode (0s
to 15s)
0x8056
Refresh_Rate
Pulse width setting for gesture wakeup
Coordinates report rate (period: 5+N ms)
0x8057
x_threshold
X coordinate output threshold: 0-255 (Based on the last reported coordinates; If configured to 0, GT911 will
keep outputting coordinates continuously)
0x8058
y_threshold
Y coordinate output threshold: 0-255 (Based on the last reported coordinates. If configured to 0, GT911 will keep
outputting coordinates continuously)
0x8059
X_Speed_Limit
Reserved
0x805A
Y_Speed_Limit