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FT5406DQ9 데이터시트 PDF




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부품번호 FT5406DQ9 기능
기능 True Multi-Touch Capacitive Touch Panel Controller
제조업체 FocalTech Systems
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FT5406DQ9 데이터시트, 핀배열, 회로
FT5x06
True Multi-Touch
Capacitive Touch Panel Controller
INTRODUCTION
The FT5x06 Series ICs are single-chip capacitive touch panel controller ICs with a built-in 8 bit 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 FT5x06 have user-friendly input functions, which can be applied on many portable devices, such as cellular phones, MIDs,
netbook and notebook personal computers.
The FT5x06 series ICs include FT5206/FT5306/FT5406, the difference of their specifications will be listed individually in this
datasheet.
FEATURES
Mutual Capacitive Sensing Techniques
True Multi-touch with up to 10 Points of Absolution X and
Y Coordinates
Immune to RF Interferences
Auto-calibration: Insensitive to Capacitance and Environ-
mental Variations
Supports up to 28 Transmit Lines and 16 Receive Lines
Supports up to 8” Touch Screen
Full Programmable Scan Sequences with Individual Ad-
justable Receive Lines and Transmit Lines to Support
Various Applications
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
Supports 1.8V/AVDD IOVCC
Capable of Driving Single Channel (transmit/receive) Re-
sistance: Up to15K Ω
Capable of Supporting Single Channel (transmit/receive)
Capacitance: 60 pF
Optimal Sensing Mutual Capacitor: 1pF~4pF
12-Bit ADC Accuracy
Built-in MCU with 28KB Program Memory, 6KB Data
Memory and 256B Internal Data Space
11 Internal Interrupt Sources and 2 External Interrupt
Sources
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-FT5x06-1212-V4.0 (Version: 4.0)
Revised Dec. 18, 2012
From No.: F-OI-RD01-03-03-B




FT5406DQ9 pdf, 반도체, 판매, 대치품
panel and processes the received signals from the panel. So, it supports both Transmit (TX) and Receive (RX) functions. Key pa-
rameters to configure this circuit can be sent via serial interfaces, which will be explained in detail in a later section.
8051-based MCU
This MCU is 8051 compatible with some enhancements. For instant, larger program and data memories are supported. In addition, a
Multiplication-Division unit (MDU) is implemented to speed up the touch detection algorithms. Furthermore, a Flash ROM is im-
plemented to store programs and some key parameters.
Complex signal processing algorithms are implemented with firmware running on this MCU to process further the received signals in
order to detect the touches reliably. Communication protocol software is also implemented on this MCU to exchange data and control
information with the host processor.
External Interface
I2C/SPI: an interface for data exchange with host
INT: an interrupt signal to inform the host processor that touch data is ready for read
WAKE: an interrupt signal for the host to change FT5x06 from Hibernate to Active mode
/RST: an external low signal reset the chip.
A watch dog timer is implemented to ensure the robustness of the chip.
A voltage regulator to generate 1.8V for digital circuits from the input VDD3 supply
Power On Reset (POR) is active until VDDD is higher than some level and hold decades of μs.
2.1 MCU
This section describes some critical features and operations supported by the 8051 compatible MCU.
Figure 2-2 shows the overall structure of the MCU block. In addition to the 8051 compatible MCU core, we have added the following
circuits,
MDU: A 16x8 Multiplier and A 32/32 Divider
Program Memory: 28KB Flash
Data Memory: 6KB SRAM
Real Time Clock (RTC): A 32KHz RC Oscillator
Timer: A number of timers are available to generate different clocks
Master Clock: 24/ 48MHz from a 48MHz RC Oscillator
Clock Manager: To control various clocks under different operation conditions of the system
Figure 2-2 MCU Block Diagram
2.2 Operation Modes
FT5x06 operates in the following three modes:
Active Mode
When in this mode, FT5x06 actively scans the panel. The default scan rate is 60 frames per second. The host processor can configure
FT5x06 to speed up or to slow down.
Monitor Mode
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 4.0Page 2 of 21

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FT5406DQ9 전자부품, 판매, 대치품
Figure 2-7 SPI Data Transfer Format (Phase=0, POLCK=0)
Figure 2-8 SPI Data Transfer Format (PHASE=0, POLCK=1)
Figure 2-9 SPI Data Transfer Format (Phase=1, POLCK=0)
Figure 2-10 SPI Data Transfer Format (Phase=1, POLCK=1)
SPI can be configured into either Master or Slave mode via the MAS bit of the SPI0CON register. When in the Master mode, the SPI
needs to supply the data clock, whose frequency relationship with the Master clock can be set by CLKDVD bits of the SPI0CON
register. When it is configured in the Slave mode, the clock, SCK, is supplied by the external Master. The maximum data clock fre-
quency must not be higher than Fmclk .
8
SPI Interface Timing Characteristics is shown in the following Figure2-11,Figure2-12, Figure2-13, Figure2-14 and Table 2-3.
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 4.0Page 5 of 21

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부품번호상세설명 및 기능제조사
FT5406DQ9

True Multi-Touch Capacitive Touch Panel Controller

FocalTech Systems
FocalTech Systems

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