w6694 Winbond Electronics Corp America, w6694 Datasheet - Page 22

• Manufacturer Part Number: w6694
• Description: Usb Bus Isdn S/t-controller
• Manufacturer: Winbond Electronics Corp America

8.2.5 Layer 1 Command/Indication Register CIX
Value after reset: 0Fh
CIX3-0 Layer 1 Command Code
Note: If S/T layer 1 function is disabled and GCI bus is enabled (GE = 1 in GCR register), CIX register is used to issue layer 1
8.2.6 U-layer1 Ready Code
Value after reset: 0Ch
RC3-0 Ready Code
8.3 GCI Mode Registers
8.3.1 GCI Mode Command Register
Value after reset: 00h
MAC
MAC
0
0
7
7
7
command code to U transceiver. In this case, the supported command code is:
Activate Request Command
Value of the command code transmitted to layer 1. A read to this register returns the previous
written value.
When GCI bus is being enabled, these four programmable bits are allowed to program
different Layer 1_Ready Code (AI: Activation Indication) by user. For example: Siemens
PEB2091: AI = 1100, Motorola MC145572: AI = 1100.
Monitor Transmit Channel Active (Read Only)
Data transmission is in progress in GCI mode Monitor channel.
0: The previous transmission has been terminated. Before starting a transmission, software
should verify that the transmitter is inactive.
1: The previous transmission is in progress.
Command
6
0
6
0
6
0
5
0
5
0
5
0
Symbol
TLP
AR
0
0
4
4
4
L1_RC Read/Write
GRLP
Code
1000
CIX3
RC3
3
3
3
GCR
- 22 -
Activate request command
CIX2
SPU
RC2
2
2
2
Descriptions
Read/Write
Address 05h
Read/Write
CIX1
RC1
PD
1
1
1
Preliminary W6694
CIX0
RC0
GE
0
0
0
Address 04h
Address 06h