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PDF FT5316DME Data sheet ( Hoja de datos )
| Número de pieza | FT5316DME | |
| Descripción | True Multi-Touch Capacitive Touch Panel Controller | |
| Fabricantes | FocalTech Systems | |
| Logotipo |  |
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FT5x16
True Multi-Touch
Capacitive Touch Panel Controller
INTRODUCTION
The FT5x16 Series ICs are single-chip capacitive touch panel controller ICs with a built-in Micro-controller unit (MCU).They adopt
the mutual capacitance approach, which supports true multi-touch capability. In conjunction with a mutual capacitive touch panel,
the FT5x16 have user-friendly input functions, which can be applied on many portable devices, such as cellular phones, MIDs and
GPS.
The FT5x16 series ICs include FT5216/FT5316, the difference of their specifications will be listed individually in this datasheet.
FEATURES
Mutual Capacitive Sensing Techniques
True Multi-touch with up to 5 Points of Absolution X and Y
Coordinates
Immune to RF Interferences
Auto-calibration: Insensitive to Capacitance and Environ-
mental Variations
FT5216 supports up to 16 TX lines + 10 RX lines
FT5316 supports up to 21 TX lines + 12 RX lines
Full Programmable Scan Sequences to Support Various
TX/RX Configurations
High Report Rate: More than 100Hz
Touch Resolution of 100 Dots per Inch (dpi) or above --
depending on the Panel Size
Optional Interfaces :I2C/SPI
2.8V to 3.6V Operating Voltage
IOVCC Connected to External or Internal 1.8V to 3.6V
Voltage Supply for Digital IO Circuits
Capable of Driving Single Channel (transmit/receive) Re-
sistance: Up to10K Ω
Capable of Supporting Single Channel (transmit/receive)
Capacitance: 60 pF
Optimal Sensing Mutual Capacitor: 1pF~4pF
12-Bit ADC Accuracy
Built-in Enhanced MCU
3 Operating Modes
Active
Monitor
Hibernate
Operating Temperature Range: -20°C to +85°C
FocalTech Systems Co., Ltd · www.focaltech-systems.com
Document Number: D-FT5x16- (Version: 0.1)
Revised Apr. 3, 2012
From No.: F-OI-RD01-03-03-B
1 page  
FT5x16
DATASHEET- Preliminary
if there is a touch or not. When a touch is detected, FT5x16 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 a 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.
2.4 Host Interface
Figure 2-3 shows the interface between a host processor and FT5x16. This interface consists of the following three sets of signals:
Serial Interface
Interrupt from FT5x16 to the Host
Reset Signal from the Host to FT5x16
TP TX
RX
TP Module
FT5x16
Serial
Interface
/INT
/RST
Host
Figure 2-3 Host Interface Diagram
The serial interfaces of FT5x16 is I2C or SPI. The details of this interface are described in detail in Section 2.5. The interrupt signal
(/INT) is used for FT5x16 to inform the host that data are ready for the host to receive. The /RST signal is used for the host to reset
FT5x16 from the Hibernate mode. After resetting, FT5x16 shall enter the Active mode.
2.5 Serial Interface
FT5x16 supports the I2C or SPI interfaces, which can be used by a host processor or other devices.
2.5.1 I2C
The I2C is always configured in the Slave mode. The data transfer format is shown in Figure 2-4.
Figure 2-4 I2C Serial Data Transfer Format
THIS DOCUMENT CONTAINS INFORMATION PROPRIETARY TO FOCALTECH SYSTEMS CO.,LTD., AND MAY NOT BE
REPRODUCED, DISCLOSED OR USED IN WHOLE OR PART WITHOUT THE EXPRESS WRITTEN PERMISSION OF FOCALTECH
SYSTEMS CO.,LTD.
Copyright © 2012, FocalTech Systems CO.,Ltd . All rights reserved
Version 1.0 ︱Page 3 of 18
5 Page 
FT5x16
DATASHEET- Preliminary
3.2 DC Characteristics
Table 3-2 DC Characteristics (VDDA=VDD3=2.8~3.6V, Ta=-20~85℃)
Item
Input high-level voltage
Input low -level voltage
Output high -level voltage
Output low -level voltage
I/O leakage current
Current consumption
（Normal operation mode）
Current consumption
（Monitor mode）
Current consumption
（Sleep mode）
Symbol
VIH
VIL
VOH
VOL
ILI
Iopr
Imon
Islp
Unit
V
V
V
V
μA
mA
mA
mA
Test Condition
IOH=-0.1mA
IOH=0.1mA
Vin=0~VDDA
VDDA=VDD3 = 2.8V
Ta=25℃ MCLK=24MHz
VDDA=VDD3 = 2.8V
Ta=25℃ MCLK=24MHz
VDDA=VDD3 = 2.8V
Ta=25℃ MCLK=24MHz
Min.
0.7 x IOVCC
-0.3
0.7 x IOVCC
--
-1
--
--
--
Typ.
--
--
--
--
--
TBD
TBD
TBD
Step-up output voltage
VDD5 V VDDA=VDD3= 2.8V
Power Supply voltage
VDDA
VDD3
V
Notes
1.If VDDA and VDD3 are 3.3V, the max value of VDD5 is 6V.
4.5 5
2.8 --
Max.
IOVCC
0.3 x IOVCC
--
0.3 x IOVCC
1
Note
--
--
--
5.2 1
3.6
3.3 AC Characteristics
Item
OSC clock 1
Symbol
fosc1
Table 3-3 AC Characteristics of Oscillators
Unit
MHz
Test Condition
VDD3 = 2.8V
Ta=25℃
Min.
23.5
Typ.
24
Max.
24.5
Note
Item
TX acceptable clock
TX output rise time
TX output fall time
RX input voltage
Table 3-4 AC Characteristics of TX & RX
Symbol
ftx
Unit
KHz
Test Condition
Min Typ Max Note
100 150 300
Ttxr nS
-- 140 --
Ttxf nS
-- 140 --
Trxi V
1.2 -- 1.6
THIS DOCUMENT CONTAINS INFORMATION PROPRIETARY TO FOCALTECH SYSTEMS CO.,LTD., AND MAY NOT BE
REPRODUCED, DISCLOSED OR USED IN WHOLE OR PART WITHOUT THE EXPRESS WRITTEN PERMISSION OF
FOCALTECH SYSTEMS CO.,LTD.
Copyright © 2012, FocalTech Systems CO.,Ltd . All rights reserved
Version 1.0 ︱Page 9 of 18
11 Page | ||
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