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PDF GT9113 Data sheet ( Hoja de datos )

Número de pieza GT9113
Descripción Window 8 capacitor touch chip
Fabricantes GOODIX 
Logotipo GOODIX Logotipo



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No Preview Available ! GT9113 Hoja de datos, Descripción, Manual

Window 8 capacitor touch chip GT9113
GT9113
Window 8 capacitor touch chip
Rev.042013-12-30
====== Disclaimer======
Application information and similar contents concerning the device in this publication are only intended for you
and they may be substituted by updated information. It is your responsibility to ensure its application complies
with technical specifications. GOODIX makes no representation or guarantee for this information, either express
or implied, written or verbal, statutory or in any other manner, including but not limited to representation or
guarantee for their application status, quality, performance or suitability for special purpose. GOODIX shall
assume no responsibility for this information and relevant subsequences arising from use of such information.
Without written approval GOODIX, it is prohibited to use GOODIX product as critical parts in any life support
system. With GOODIX intellectual property protection, it is prohibited to transfer any license in any disguised
manner or any other manner.
Goodix
Confidential information
Without permission Can not reprinted
1

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GT9113 pdf
Window 8 capacitor touch chip GT9113
4. Pin definition
4.1. GT9113 pin definition
SEN8
SEN9
SEN 10
SEN 11
SEN 12
SEN 13
SEN 14
SEN 15
SE N 1 6
SE N 1 7
SE N 1 8
SE N 1 9
SE N 2 0
SE N 2 1
SE N 2 2
SE N 2 3
SE N 2 4
SE N 2 5
SE N 2 6
SE N 2 7
SE N 2 8
SE N 2 9
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
G T9113
Q F N 1 0 ×1 0 _8 8 L_0.4P
D4 2 × S 3 0
E P -G N D
66 DRV13
65 DRV14
64 DRV15
63 DRV16
62 DRV17
61 DRV18
60 DRV19
59 DRV20
58 DRV21
57 DRV22
56 DRV23
55 DRV24
54 DRV25
53 DRV26
52 DRV27
51 DRV28
50 DRV29
49 DRV30
48 DRV31
47 DRV32
46 DRV33
45 DRV34
Pin No.
1~22
23
24
25
26
27
28
Name
SENS8~SENS29
AVDD28
AVDD18
DVDD12
DGND
CLK_ADJ
Sensor_OPT1
Function description
Touch analog signal input
Analog power positive
Digital signal ground
GT9113 clock calibration
pin
Module ID port
Remarks
To 2.2uF filter capacitor
To 2.2uF filter capacitor
To 2.2uF filter capacitor
Goodix
Confidential information
Without permission Can not reprinted
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GT9113 arduino
Window 8 capacitor touch chip GT9113
a) Data transmission
(0xBA/0xBB as device address)
Communication is always initiated by master CPU and effective start signal is: When SCL remains “1”,
hopping from “1” to “0” occurs on SDA. Address information or data flow is transmitted after start
signal.
All slave devices connected on I2C bus have to test 8-bit address information sent on test bus after start
signal and launch correct response. When receiving compatible address information, GT9113 changes
SDA as output port at the 9th clock cycle and resets to “0” as ACK signal. If address information
received is incompatible, i.e., it is neither 0XBA nor 0XBB, GT9113 will maintain idle status.
Data on SDA port sends 9-bit data in series based on 9 clock cycles: 8-bit effective data and 1-bit ACK
signal or NACK signal sent back by recipient. Data transmission is effective when SCL is “1”.
When communication is complete, master CPU will send stop signal. Stop signal means when SCL is
“1”, SDA status hops from “0” to “1”.
b) Capture report descriptor
Operating sequence for capturing report descriptor
The diagram above shows the operating procedures for master device to capture report descriptor. First,
master device generates a start signal; then, it sends device address information and read/write bit
information.
After receiving ACK, master device sends 16-bit report descriptor address.
After slave device responds, master device begins to capture data from slave device; master device
replies with an ACK to slave device for every BYTE and replies with NACK for the last BYTE. Finally,
it sends end mark.
c) Capture HID descriptor
Goodix
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Without permission Can not reprinted
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