Wireless-tag SigmaStar SSD201 - 3.4 TP Interface

SSD201/202 7-inch Smart Display User manual
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Wireless-Tag Technology Co., Limited http://www.wireless-tag.com
Normally pull high. (R=10KΩ，C=1μF)
45
NC
No connection
46
VCOM
Common Voltage
47
DITHB
Dithering setting
DITH=”H” 6bit resolution(last 2 bit of input data
truncated)
DITH=”L” 8bit resolution(default setting)
48
GND
Ground
49
NC
No connection
50
NC
No connection
3.4 TP Interface
It provides one-way CTP (Capacitive Touch Panel) interface, which is used to connect a capacitive
screen through a 6Pin FPC 0.5mm bottom contact connector. TP interface is also designed to be
compatible with 4PinFPC 0.5mm interface resistive screen. The interface definitions are shown in
Table 6 and Table 7 respectively:
Figure 5. CTP pin diagram
Figure 6. RTP pin diagram
Table 6. CTP interface definition
Pin No.
Pin definition
Description
1
RST
Reset
2
VDD
3.3V
3
GND
Ground