w6692 Winbond Electronics Corp America, w6692 Datasheet - Page 55

• Manufacturer Part Number: w6692
• Description: Pci Bus Isdn S/t-controller
• Manufacturer: Winbond Electronics Corp America

RACT
data.
XACTB
transmit data. Note this bit is active LOW.
PMES
MFD
DLP
channels. Note that after hardware reset, the internal clocks will turn off if the S bus is not connected or if there is no signal on
the S bus. In this case, the C/I command ECK must be issued to enable loopback function.
RLP
transmitted 2B channels of S interface. The D channel is not looped in this loopback function.
Bits 7, 4, 3
These bits are removed. The write values are don't care, but are read as zero.
8.1.5 Timer 1 Register
Value after reset : 00H
T1MD
Setting this bit to "1" activates the remote loopback function. The received 2B channels from the S interface are looped to the
Setting this bit activates the D_ch HDLC receiver. This bit can be read. The receiver must be in active state in order to receive
Resetting this bit activates the D_ch HDLC transmitter. This bit can be read. The transmitter must be in active state in order to
This bit is used to enable or disable the multiframe structure on S/T interface :
Setting this bit activates the digital loopback function. The transmitted digital 2B+D channels are looped to the received 2B+D
0 : PCI power management event triggered by reception of D channel HDLC flag
1 : PCI power management event triggered by layer 1 becomes active
0 : Multiframe is enabled
1 : Multiframe is disabled
7
0
7
Remote Loopback
Digital Loopback
Multiframe Disable
PME Trigger Select
Receiver Active
RACT
CNT6
Transmitter Active
6
6
Reserved
XACTB
CNT5
5
5
CNT4
TIMR1
4
0
4
PMES
CNT3
3
3
CNT2
MFD
2
2
-55 -
Read/Write Address 10H/04H
CNT1
DLP
1
1
CNT0
RLP
0
0
W6692 PCI ISDN S/T-Controller
Publication Release Date:
Preliminary Data Sheet
Sep 30, 1999
Revision 0.9