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MCS7784
USB to IrDa Port
Features
• Low-power 3.3V CMOS design
• On board 5V to 3.3V voltage regulator
• Single 12 MHz crystal
• IrDA data rates from 2.4 Kbps to 115.2 kbps in SIR
mode
• USB specification 1.1 compliant.
• Re-configurable Vendor specific parameters
(Vendor ID, Product ID, Release #)
• Support for 4 string descriptors (Language ID,
Manufacture ID, Product Name, Serial Number)
• Supports all USB standard commands.
• I2C interface for EEPROM
• Low-profile 28-Pin SSOP package
Applications
• Cell Phones
• Embedded applications
• Add-on IrDAdingle
Application Note
•AN7784
Evaluation Board
• MCS7784-EVB
General Description
The MCS7784 controller provides bridging between the
Universal Serial Bus (USB) input and IrDA port. This de-
vice contains all the necessary logic to communicate
with the host computer via the USB bus. Supports data
rate of 2.4Kbps to 115.2Kbps.
In addition, the MCS7784 contains a 3.3V regulator and
operates in bus-powered mode. The MCS7784 uses
single 12 MHz crystal oscillator.
Ordering Information
Commercial Grade ( 0° C to +70° C )
MCS7784CS
28-SSOP
Standard
MCS7784CS-GR
28-SSOP
RoHS
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