W6694 Datasheet, PDF (19/33 Pages) Winbond – USB Bus ISDN S/T-Controller

Preliminary W6694
Note: If S/T layer 1 function is disabled and GCI bus is enabled (GE = 1 in GCR register), CIR register is used to receive layer
1 indication code from U transceiver. In this case, the supported indication codes are:
Indication
Deactivation Confirmation
Power-up Indication
Symbol
DC
PU
Code
1111
0111
Descriptions
Idle code on GCI interface
U transceiver power up
8.1.3 Monitor Channel Interrupt Status
Value after reset: 00h
7
6
5
0
0
0
4
3
0
MDR
MDR
MER
MDA
MAB
Monitor Channel Data Receive
Monitor Channel End of Reception
Monitor Channel Data Acknowledged
Monitor Channel Data Abort
MOIR
Read_clear
2
MER
1
MDA
0
MAB
8.1.4 PIO Input Change Register
PICR
Read_clear
Value after reset: 00h
7
6
5
4
3
2
1
0
P7
P6
P5
P4
P3
P2
P1
P0
P7-0
Indicator of IO Pin Input Status
0: This IO pin is either output pin, or did not change input value.
1: This IO pin changed value.
NOTE : Registers in sections 8.2 to 8.5 are written/read by Bulk-OUT/Bulk-IN transactions.
8.2 Chip and FIFO Control Registers
8.2.1 Interrupt Mask Register
IMASK Read/Write Address 00h
Value after reset: E1h
7
6
5
4
3
2
1
0
ICC MOC PIOIC
0
0
0
0
1
Setting ‘1’ to each bits masks the corresponding interrupt sources in ISTA register.
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Publication Release Date: October 2000
Revision A1