PCT1339 Datasheet PDF - PixArt
| Part Number | PCT1339 | |
| Description | Multi-Touch Capacitive Touch Controller | |
| Manufacturers | PixArt | |
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There is a preview and PCT1339 download ( pdf file ) link at the bottom of this page. Total 25 Pages | ||
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PixArt Imaging Inc.
PCT1339 General Datasheet
Multi-Touch Capacitive Touch Controller
PCT1339 Multi-Touch Capacitive Touch Controller
General Description
PCT1339 is a low-power, 5-touch Cap-Touch controller to
provide a touchpad system with high report rate, high
accuracy, and low latency. The IC uses a mutual-
capacitance measurement technology to sense
capacitance changes and to detect multiple touch points
simultaneously.
Basing on mutual capacitance sensing technology,
PCT1339 is designed to meet the increasingly demanding
needs for multi-touch performance application. All the
touch detection, gesture interpretation and motion
tracking are handled by PCT1339. An Interrupt flag from
the touch controller signals the host to read the touch
reports. I2C is used for serial communication between the
PCT1339 and the host. A large set of registers facilitates
features and performance optimization. Additional user
enhancements or adjustments complement the system
performance objectives.
Key Features
Low power consumption
High CPI
Wide input power range
Flexible touch are size and shape
Interface: I2C/SPI
Embedded Flash
Good Water Immunity
Smart Auto-Calibration
Palm Rejection
Thick Cover support up to 1.8mm PC material
Gesture support
Open-short factory test support
Applications
Trackpad
Touch mouse
Touch keyboard
Remote Controller
Key Sensor Parameters
Parameter
Value
Channel Number
20x19~24x15
Touch area
1”~6”
Sensing Type
Mutual
Object Detection
5 Touches
Supply Voltage
1.8V +-10% or 2.3~3.6V
Power Consumption
6 mA @ 90fps
0.13 mA @ Sleep
13uA @ Shutdown mode
Sensitivity
4mm Stylus
Report Rate
Max 146Hz
Latency
< 15ms
CPI 300~2000
Flash
32KB
Operating Temperature (Tj) -20 to +70 °C
Ordering Information
Part Number
PCT1339QN
Package Type
7mmx7mm QFN56
For any additional inquiries, please contact us at
http://www.pixart.com/contact.asp
Version 1.0 |11 Apr 2016 | 81001AEN
PixArt Imaging Inc. http://www.pixart.com
All rights reserved. Any portion in this paper shall not be reproduced, copied, or transformed to any other forms without permission.
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PixArt Imaging Inc.
Pin Configuration
Table 1. Pin Definition
Pin Name
1 VDDD
2 VDDIO
3 IO_SEL/RXD
4 TXD
5 IO_CLK
6 MISO_SDA
7 NCS_A1
8 MOSI_A0
9 INT
10 NRST
11 VDDCP
12 CIN
13 CIP
14 VDDAIO
15 DRV0
16 DRV1
17 DRV2
18 DRV3
19 DRV4
20 DRV5
21 DRV6
22 DRV7
PCT1339 Product Datasheet
Multi-Touch Capacitive Touch Controller
28 27 26 25 24 23 22 21 20 19 18 17 16 15
29 14
30 13
31 12
32 11
33 10
34 9
35 8
36 7
37 6
38 5
39 4
40 3
41 2
42 1
43 44 45 46 47 48 49 50 51 52 53 54 55 56
Figure 3. QFN56 7x7 Pin Placement
Description
Digital power, connect 1uF to ground
Power for interface to Host, connect 0.1uF to ground
Mux pin:
UART_RX: For PXI debug only
IO_SEL: External pull high or low to decide SPI or I2C interface (H: SPI; L: I2C)
UART_TX, for PXI debug only
SPI or I2C clock
SPI MISO or I2C_SDA pin
SPI CS pin or I2C slave address ID
SPI MOSI pin or I2C slave ID pin
Interrupt to Host to indicate data ready
Host to reset PCT1339, active low.
Charge-pump input, connect 1uF to ground.
Charge-pump pin, connect 0.22uF between CIN and CIP.
Charge-pump pin, connect 0.22uF between CIN and CIP.
Drive line power, connect 1uF to ground
Drive line pin
Drive line pin
Drive line pin
Drive line pin
Drive line pin
Drive line pin
Drive line pin
Drive line pin
Version 1.0 |11 Apr 2016
PixArt Imaging Inc. http://www.pixart.com
All rights reserved. Any portion in this paper shall not be reproduced, copied, or transformed to any other forms without permission.
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for PCT1339 electronic component. |
| Information | Total 25 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ PCT1339.PDF Datasheet ] | |
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