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Preliminary Data Sheet
W6694A USB-ISDN S/T-Controller
-32-
Publication Release Date: May, 2001
Revision 1.03
8.5.3 USB B1 Receiver Select Register
USBB1RS
Read/Write
Address 10h
Value after reset: 02h
7
6
5
4
3
2
1
0
RS2
RS1
RS0
RS2-0
Receiver Select
These bits select the source where USB B1 channel will receive data from. Possible values are:
000 (0): receive from PCM1
001 (1): receive from PCM2
010 (2): receive from Layer1 B1
8.5.4 USB B2 Receiver Select Register
USBB2RS
Read/Write
Address 11h
Value after reset: 03h
7
6
5
4
3
2
1
0
RS2
RS1
RS0
RS2-0
Receiver Select
These bits select the source where USB B2 channel will receive data from. Possible values are:
000 (0): receive from PCM1
001 (1): receive from PCM2
011 (3): receive from Layer1 B2 channel
8.5.5 PCM1 Receiver Select Register
PCM1RS
Read/Write
Address 12h
Value after reset: 00h
7
6
5
4
3
2
1
0
EPCM
RS2
RS1
RS0
EPCM Enable PCM Transmit/Receive
0: Disable data transmit/receive to/from PCM port. The frame synchronization clock is held LOW. The bit
synchronization clock is LOW if both PCM ports are disabled.
1: Enable data transmit/receive to/from PCM port. The frame synchronization clock is active. The bit
synchronization clock is active.
RS2-0
Receiver Select
These bits select the source where PCM1 channel will receive data from. Possible values are:
000 (0): receive from PCM1
001 (1): receive from PCM2
010 (2): receive from Layer1 B1
011 (3): receive from Layer1 B2
100 (4): receive from USB B1
101 (5): receive from USB B2