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FT5506 Schematic ( PDF Datasheet ) - FocalTech

Teilenummer FT5506
Beschreibung True Multi-Touch Capacitive Touch Panel Controller
Hersteller FocalTech
Logo FocalTech Logo 




Gesamt 26 Seiten
FT5506 Datasheet, Funktion
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 15K
(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






FT5506 Datasheet, Funktion
FT5506/FT5606/FT5616/FT5816
DATASHEET Preliminary
Figure 2-4 I2C Serial Data Transfer Format
Figure 2-5 I2C master write, slave read
Figure 2-6 I2C master read, slave write
Table 2-1 lists the meanings of the mnemonics used in the above figures.
Mnemonics
S
A[6:0]
W
R
A(N)
P
Table 2-1 Mnemonics Description
Description
I2C Start or I2C Restart
Slave address
A[6:4]: 3’b011
A[3:0]: data bits are identical to those of I2CCON[7:4] register.
1’b0: Write
1’b1: Read
ACK(NACK)
STOP: the indication of the end of a packet (if this bit is missing, S will indicate the end
of the current packet and the beginning of the next packet)
I2C Interface Timing Characteristics is shown in Table 2-2.
Table 2-2 I2C Timing Characteristics
Parameter
SCL frequency
Bus free time between a STOP and START condition
Hold time (repeated) START condition
Unit
KHz
us
us
Min
0
4.7
4.0
Max
400
\
\
FocalTech Systems Co., Ltd
Version 0.4Page 4 of 26

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FT5506 pdf, datenblatt
FT5506/FT5606/FT5616/FT5816
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
μA
Test Condition
IOH=-0.1mA
IOH=0.1mA
Vin=0~VDDA
VDDA=VDD3 = 2.8V
Ta=25MCLK=24MHz
VDDA=VDD3 = 2.8V
Ta=25MCLK=24MHz
VDDA=VDD3 = 2.8V
Ta=25MCLK=24MHz
Min.
0.7 x IOVCC
-0.3
0.7 x IOVCC
--
-1
--
--
--
Typ.
--
--
--
--
--
15
8
30
Step-up output voltage
Power Supply voltage
VDD5 V VDDA=VDD3= 2.8V 4.5
VDDA
VDD3
V
2.8
5.25
Max.
IOVCC
0.3 x IOVCC
--
0.3 x IOVCC
1
--
--
--
5.5
3.6
Note
3.3 AC Characteristics
Item
OSC clock 1
OSC clock 2
PLL clock
Crystal clock
Symbol
fosc1
fosc2
Pclk
Cclk
Table 3-3 AC Characteristics of Oscillators
Unit
MHz
KHz
MHz
MHz
Test Condition
VDD3 = 2.8V
Ta=25
VDD3 = 2.8V
Ta=25
VDD3 = 2.8V
Ta=25
VDD3 = 2.8V
Ta=25
Min.
43
29
-
-
Typ.
48
32
48
12
Max.
52
36
-
-
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 Unit
Test Condition
Min Typ Max Note
ftx KHz
100 150 270
Ttxr nS
-- 20 --
Ttxf nS
-- 20 --
Trxi V
1.2 -- 1.6
FocalTech Systems Co., Ltd
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