W6691CD WINBOND [Winbond], W6691CD Datasheet - Page 47

• Manufacturer Part Number: W6691CD
• Description: ISDN S/T Interface Transceiver
• Manufacturer: WINBOND [Winbond]

(Transmitter Reset) command must be issued and software must wait until transmit FIFO ready (via XFR
interrupt), re-write data, and issue XMS command to re-transmit the data.
7.6 GCI Mode Serial Interface Bus
structure of the GCI mode is depicted below. The timing is compatible with Siemens’s IOM-2 mode.
TE Mode Timing
TE mode contains three channels. The structure of TE mode is show in Fig7.10.
The inter-frame time fill pattern must be all 1's, according to ITU-T I.430.
Collisions which occur on the D channel of S interface will cause an D_EXIR:XCOL interrupt. A XRST
The GCI is a generalization and enhancement of the general purpose, serial interface bus. The channel
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Preliminary W6691
Publication Release Date: Sep 2001
Revision 1.1