
Preliminary Data Sheet
W6694 Passive USB-ISDN S/T-Controller
-4-
Publication Release Date: March., 2000
Revision 0.93
8.2.2 Command Register 1
CMDR1 Write Address 01h .........................................................................................21
8.2.3 Command Register 2
CMDR2 Write Address 02h .........................................................................................22
8.2.4 Control Register
CTL Read/Write Address 03h ............................................................................................22
8.2.5 Layer 1 Command/Indication Register
CIX Read/Write Address 04h...............................................................23
8.2.6 U-layer1 Ready Code
L1_RC Read/Write Address 05h...................................................................................23
8.3 GCI Mode Registers...................................................................................................................................................23
8.3.1 GCI Mode Command Register
GCR Read/Write Address 06h.........................................................................23
8.3.2 Monitor Channel Control Register
MOCR Read/Write Address 07h.................................................................24
8.3.3 Monitor Channel Receive Register
MOR Read Address 08h ..........................................................................25
8.3.4 Monitor Channel Transmit Register
MOX Read/Write Address 09h.................................................................25
8.4 Programmable IO Registers........................................................................................................................................25
8.4.1 PIO Input Enable Register
PIE Read/Write Address 0Ah................................................................................25
8.4.2 PIO Output Register 1
PO1 Read/Write Address 0Bh ....................................................................................25
8.4.3 PIO Output Register 2
PO2 Read/Write Address 0Ch....................................................................................26
8.4.4 PIO Data Register
PDATA Read Address 0Dh..............................................................................................26
8.5 B Channel Switch Registers .......................................................................................................................................26
8.5.1 Layer1 B1 Receiver Select Register
L1B1RS Read/Write Address 0Eh............................................................26
8.5.2 Layer1 B2 Receiver Select Register
L1B2RS Read/Write Address 0Fh............................................................26
8.5.3 USB B1 Receiver Select Register
USBB1RS Read/Write Address 10h.............................................................27
8.5.4 USB B2 Receiver Select Register
USBB2RS Read/Write Address 11h.............................................................27
8.5.5 PCM1 Receiver Select Register
PCM1RS Read/Write Address 12h.................................................................27
8.5.6 PCM2 Receiver Select Register
PCM2RS Read/Write Address 13h.................................................................28
9. ELECTRICAL CHARACTERISTICS ..........................................................................................28
9.1 Absolute Maximum Rating.........................................................................................................................................28
9.2 Power Supply .............................................................................................................................................................28
9.3 DC Characteristics.....................................................................................................................................................29
9.4 Preliminary Switching Characteristics........................................................................................................................30
9.4.1 PCM Interface Timing.........................................................................................................................................30
9.4.2 Serial EEPROM Timing......................................................................................................................................32
LIST OF FIGURES
FIG.3.1 W6694 PIN OUT......................................................................................................................................................6
FIG 6.1 W6694 BLOCK DIAGRAM...................................................................................................................................10
LIST OF TABLES
TABLE 4.1 W6694 PIN DESCRIPTIONS.............................................................................................................................7
TABLE 7.1 W6694 ALL USB ENDPOINTS .......................................................................................................................11