FT5816 Datasheet PDF - FocalTech
| Part Number | FT5816 | |
| Description | True Multi-Touch Capacitive Touch Panel Controller | |
| Manufacturers | FocalTech | |
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There is a preview and FT5816 download ( pdf file ) link at the bottom of this page. Total 26 Pages | ||
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FT5506/FT5606/FT5616/FT5816
True Multi-Touch
Capacitive Touch Panel Controller
INTRODUCTION
FT5506, FT5606, FT5616 and FT5816 are the single-chip capacitive touch panel controller with a built-in Micro-Controller Unit
(MCU) for supporting especially large-sized mutual capacitive touch panel. They all adopt the mutual capacitance technology,
which can realize true multi-touch performance. Being coupled with a mutual capacitive touch panel,
FT5506/FT5606/FT5616/FT5816 can implement the user-friendly inputting function and be widely used in various portable devices
in large size, such as MIDs, PADs, notebooks, tablet computer, etc.
As FT5506, FT5606, FT5616 and FT5816 are in a same series, this datasheet will present them together and list differences among
them individually in the following sections.
FEATURES
Mutual Capacitive Sensing Techniques
True Multi-Touch with up to 10 Points of Absolute X and Y
Coordinates
Enhanced Immunity to RF Interferences and power noise
Auto Calibration and Compensation for Environmental
Variations
FT5506 supports up to 32 TX lines + 20 RX lines
without USB
FT5606 supports up to 38 TX lines + 27 RX lines
without USB
FT5616 supports up to 38 TX lines + 27 RX lines with
USB
FT5816 Supports up to 48 TX lines + 36 RX lines
with USB
Fully Programmable Scan Sequences to Support Various
TX/RX Configurations
High Report Rate: More than 100Hz
Capable of Driving Single Channel Resistance up to 15KΩ
(including both the TX and RX lines)
Capable of Driving Single Channel Capacitance up to 120
pF (including both the TX and RX lines)
Optimal Sensing Mutual Capacitor for each node 1pF~4pF
Touch Resolution up to 100 Dots per Inch (dpi) or above --
depending on the Panel Size
12-Bit ADC Accuracy
Built-in Enhanced MCU
Optional Interfaces : I2C/SPI/USB
External Supply Voltage 2.8V to 3.6V or USB Voltage
4.5V to 5.5V for Analog Circuits
Built-in LDO for Digital Circuits
IOVCC Connected to External or Internal 1.8V to 3.6V
Voltage Supply for Digital IO Circuits
3 Operating Modes
Active Mode
Monitor Mode
Hibernate Mode
Operating Temperature Range: -20°C to +85°C
FocalTech Systems Co., Ltd · www.focaltech-systems.com
Document Number: D-FT5506/FT5606/FT5616/FT5816-1005 (Version: 0.4)
Revised Feb. 1, 2012
From No.: F-OI-RD01-03-03-B
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FT5506/FT5606/FT5616/FT5816
DATASHEET Preliminary
2.4 Operation Modes
FT5506/FT5606/FT5616/FT5816 operates in the following three modes:
Active Mode
When in this mode, FT5506/FT5606/FT5616/FT5816 actively scans the panel. The default scan rate is 60 frames per second. The
host processor can configure FT5506/FT5606/FT5616/FT5816 to speed up or to slow down.
Monitor Mode
When in this mode, FT5506/FT5606/FT5616/FT5816 scans the panel at a reduced speed. The default scan rate is 25 frames per
second and the host processor can increase or decrease this rate. When in this mode, most algorithms are stopped. A simpler algo-
rithm is being executed to determine if there is a touch or not. When a touch is detected, FT5506/FT5606/FT5616/FT5816 shall enter
the Active mode immediately to acquire the touch information quickly. During this mode, the serial port is closed and no data shall
be transferred with the host processor.
Hibernate Mode
In this mode, the chip is set in power down mode. It shall only respond to the “WAKE” or “RESET” signal from the host processor.
The chip therefore consumes very little current, which help prolong the standby time for the portable devices.
2.5 Host Interface
Figure 2-3 shows the interface between a host processor and FT5506/FT5606/FT5616/FT5816. This interface consists of the
following three sets of signals:
Serial Interface
Interrupt from FT5506/FT5606/FT5616/FT5816 to the Host
Reset Signal from the Host to FT5506/FT5606/FT5616/FT5816
TP Module
Serial
TP
TX
FT5506/FT5606/FT5616/FT5816
Interface
RX
/INT
/RST
Host
Figure 2-3 Host Interface Diagram
The serial interfaces is I2C , SPI or USB. The details of this interface are described in detail in Section 2.6. The interrupt signal (/INT)
is used for FT5506/FT5606/FT5616/FT5816 to inform the host that data are ready for the host to receive. The /RST signal is used for
the host to reset FT5506/FT5606/FT5616/FT5816. After resetting, FT5506/FT5606/FT5616/FT5816 shall enter the Active mode.
When the serial interface is USB, /INT and /RST are optional for FT5616/FT5816.
2.6 Serial Interface
FT5616/FT5816 supports the I2C, SPI or USB interfaces, which can be used by a host processor or other devices. FT5506/FT5606
only supports the I2C or SPI.
2.6.1 I2C
The I2C is always configured in the Slave mode. The data transfer format is shown in Figure 2-4.
FocalTech Systems Co., Ltd
Version 0.4︱Page 3 of 26
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| Information | Total 26 Pages | |
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