
IrDA Control Host Controller with USB Interface User’s Guide
v
List of Figures
HC Interface Signals..............................................................................................1
IrDA Control System..............................................................................................2
Required USB Dongle Functions for IrDA Control Subsystem..............................3
IrDA Control Host Dongle Implementation Example..............................................5
Enumeration Sequence.........................................................................................6
Binding Sequence..................................................................................................7
Interface Between HC and USB Transceiver LSI..................................................8
Interface Between HC and Serial EEPROM..........................................................9
Interface Between HC and Infrared Transceiver .................................................10
Module Structure .................................................................................................11
Protocols Between Host and USB Dongle...........................................................14
Example of Using EP1 and EP3 Simultaneously
(Keyboard with Pointing Device)..........................................................................20
Sequence of Auto Repeat Cancellation for Keyboard.........................................25
Requests and Data Stream Between Host and USB Dongle..............................26
HC Pinout ............................................................................................................30
HC Block Diagram...............................................................................................32
HC Recommended Oscillation Circuit .................................................................33
Serial EEPROM Bit Assignment..........................................................................34
Status LED Bit Assignment..................................................................................34
DIP SW Assignment............................................................................................35
Connection Between HC and FE without DC Bias..............................................36
Connection Between HC and FE with DC Bias...................................................37
USB Dongle Reference Circuit Schematic ..........................................................42