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Diodes Semiconductor Electronic Components Datasheet

CS5519 Datasheet

Enhanced Multi-touch Capacitive Touch Screen Controller

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Data Sheet
Enhanced Multi-touch Capacitive Touch Screen Controller
CS5519
General Description
The CS5519 is a low-cost high-resolution single chip
solution for APA capacitive touch screen. It is an
8-bit single cycle 8051 microcontroller with I2C
Interface. The chip includes 8-bit successive
approximation analog-to-digital converters with an
I2C interface and multiplexer-switcher circuits for
flexible measurement of analog signal from APA
panel. An accurate switched-capacitor integrator is
built-in and it can auto calibrate the pixel parameters
for a wide range of capacitance on the touch screen
(0.1pF to 4pF). On-chip capacitor can replace
external component. This touch screen controller
(TSC) with CMOS integration circuit provides an
ideal choice for APA touch panel. The CS5519 is
specified over the temperature range of -40°C to
95°C.
The CS5519 is available in QFN-7×7-56 and
QFN-8×8-68 packages.
Features
• Mutual Capacitive Touch Sensing
• Dual Power Supply: 2.8V to 3.6V Operation
Voltage; 1.6V to 2.0V Operation Voltage
• Up to 38/30 Drive Lines and 22/17 Sense Lines
• Dedicated Internal Two-wire Serial Control Bus
I2C and UART between CS5519 and Host
• Single-end Integrator with Programmable Gain
Control and Offset Control
• Multiplexed Analog Digitization with Two 8-bit
Resolution Odd/Even Scan SAR ADCs and Its
Dedicated 2X to 8X Accumulator XSRAM
Buffers
Features (Continued)
• Single Cycle 8051 CPU Core, Maximum Opera-
ting Clock up to 24MHz from IOSC (Zero Wait
State); 48MHz from IOSC(With Wait State)
4MHz to 48MHz Internal Oscillator (IOSC)
64K-byte Flash ROM
256-byte Internal SRAM and 12032-byte
XSRAM
Extra XSRAMs for AFE:
896×12-bit×2 XSRAM for 8-bit SAR ADC
896×8-bit XSRAM for 8-bit Parasitical
Capacitor Compensator
Two 16-bit Timers T0/T1 and One 16-bit ECT
Timer T2
One I2C Slave Controller and One I2C Master
Controller Shared with the Same Port
With Asynchronous I2C Slave Address
Detection Logic Design
4 General Purpose GPIO Pins
One External Interrupt Pin
One UART Data Transfer Output Pin
• ISP/IAP via I²C Port
• Operation Temperature Range: -40°C to 95°C
• Package Types: QFN-7×7-56 and QFN-8×8-68
• RoHS Compliance
• Operating Mode:
Mode
Power-down
Standard
Description
No scan with power-down mode
Higher scan rate when fingers are
on panel, IOSC can up to 4MHz
to 48MHz
Applications
• Mobile Phones
• Personal Digital Assistants
• Smart Hand-held or Gaming Devices
QFN-7×7-56
QFN-8×8-68
Figure 1. Package Types of CS5519
Apr. 2013 Rev. 1. 0
BCD Semiconductor Manufacturing Limited
1


Diodes Semiconductor Electronic Components Datasheet

CS5519 Datasheet

Enhanced Multi-touch Capacitive Touch Screen Controller

No Preview Available !

Enhanced Multi-touch Capacitive Touch Screen Controller
Pin Configuration
FN Package
(QFN-7×7-56)
Data Sheet
CS5519
Pin 1 Mark
56 55 54 53 52 51 50 49 48 47 46 45 44 43
1 42
2 41
3 40
4 39
5 38
6 37
EP7 36
8 35
9 34
10 33
11 32
12 31
13 30
14 29
15 16 17 18 19 20 21 22 23 24 25 26 27 28
Figure 2. Pin Configuration of CS5519 (56-pin) (Top View)
Apr. 2013 Rev. 1. 0
BCD Semiconductor Manufacturing Limited
2


Part Number CS5519
Description Enhanced Multi-touch Capacitive Touch Screen Controller
Maker BCD
PDF Download

CS5519 Datasheet PDF






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