
Preliminary Data Sheet
W6694 Passive USB-ISDN S/T-Controller
-3-
Publication Release Date: March., 2000
Revision 0.93
TABLE OF CONTENTS
1. GENERAL DESCRIPTION...........................................................................................................5
2. FEATURES...................................................................................................................................5
3. PIN CONFIGURATION.................................................................................................................6
4. PIN DESCRIPTION.......................................................................................................................7
5. SYSTEM DIAGRAM AND APPLICATIONS .................................................................................9
6.BLOCK DIAGRAM ......................................................................................................................10
7. FUNCTIONAL DESCRIPTIONS.................................................................................................11
7.1 USB Descriptions.......................................................................................................................................................11
7.1.1 Control-IN Transactions (Endpoint 0)..................................................................................................................11
7.1.1.1 Get Device Descriptor...................................................................................................................................11
7.1.1.2 Get Configuration Descriptor........................................................................................................................12
7.1.1.3 Get String Descriptor 0.................................................................................................................................13
7.1.1.4 Get String Descriptor 1 (Product)..................................................................................................................13
7.1.2 Control-OUT Transactions (Endpoint 0)..............................................................................................................14
7.1.2.1 Device Clear Feature, Remote Wake-up........................................................................................................14
7.1.2.2 Device Set Feature, Remote Wake-up............................................................................................................14
7.1.2.3 Set Interface 0, Alternate Setting 1................................................................................................................14
7.1.2.4 Set Interface 0, Alternate Setting 0................................................................................................................14
7.1.3 Bulk-OUT Transaction (Endpoint 1)....................................................................................................................14
7.1.4 Bulk
-
IN Transaction (Endpoint 2).......................................................................................................................15
7.1.5 Interrupt-IN Transaction (Endpoint 3).................................................................................................................15
7.1.6 Isochronous-OUT Transaction (Endpoint 4) ........................................................................................................15
7.1.7 Isochronous-IN Transaction (Endpoint 5)............................................................................................................17
7.1.8 Suspend and Resume...........................................................................................................................................18
7.2 Configuration EEPROM.............................................................................................................................................18
8. REGISTER DESCRIPTIONS......................................................................................................19
8.1 Interrupt Registers......................................................................................................................................................19
8.1.1 Interrupt Status Register
ISTA Read_clear.....................................................................................................19
8.1.2 Layer 1 Command/Indication Register
CIR Read .............................................................................................20
8.1.3 Monitor Channel Interrupt Status
MOIR Read_clear .......................................................................................20
8.1.4 PIO Input Change Register
PICR Read_clear.................................................................................................20
8.2 Chip and FIFO Control Registers ...............................................................................................................................21
8.2.1 Interrupt Mask Register
IMASK Read/Write Address 00h ..............................................................................21