E505794 Datasheet, PDF (1/1 Pages) List of Unclassifed Manufacturers – AccuTouch COACh III Chip Controller

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AccuTouch COACh III Chip Controller
The C OAC h III (C ontroller On A C hip, third generation) (Part # E505794, RoHS
C ompliant) is a compact universal resistive touchscreen controller chip solution.
It supports both serial and USB communication interfaces and is capable of
interfacing to either AccuTouch five-wire resistive touchscreens. Regardless of
the configuration, operation is automatically detected on power up and needs no
user intervention. The C OAC h III fully supports the Elo SmartSet protocol and
all program drivers, both serial and USB.
Quick Links
Differences between C OAC h III
and C OAC h IV (115K PDF)
Features
Single chip ASIC design for compact integration
Supports both USB and RS232 interfaces with autodetection
Serial Interface:
bidirectional communication as a DC E
9,600 and 19,200 baud rates supported
Frame configuration 8 data, 1 stop, No Parity, Full Duplex
Software or hardware handshaking supported: XON/XOFF; DSR, DTR, RTS, C TS
USB Interface:
Full speed USB device
Self-powered
Supports both Five and Four wire touchscreens with autodetection
Resolution: 4096x4096, size independent
C onversion time approximately 10 ms per coordinate set
Improved measurement algorithm eliminates the need for touch filter adjustments
Full AccuTouch SmartSet protocol.
Multiple output formats: Binary or ASC II
E261-280, E271-140, E281A-4002 compatibility modes
On-board calibration, coordinate scaling, and programmable output rates allow for application-specific
performance tuning
C onfiguration parameters including serial number are storable in off-chip NVRAM (EEPROM)
Power requirements: 5 VDC , nominal (4.00 min, 5.25 max); 30 mA, typical
64-pin LQFP package (12 mm x 12 mm x 1.6 mm)
Temperature:
Operating: -20°C to +85°C
Storage: -40°C to +125°C
ESD rating (human body model): 2.0 kV
Look up product statement of compliance by part number
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