w6694 Winbond Electronics Corp America, w6694 Datasheet - Page 19

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

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
8.1.3 Monitor Channel Interrupt Status
Value after reset: 00h
MDR
MER
MDA
MAB
8.1.4 PIO Input Change Register
Value after reset: 00h
P7-0
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
Value after reset: E1h
Setting ‘1’ to each bits masks the corresponding interrupt sources in ISTA register.
ICC
P7
0
7
7
7
1 indication code from U transceiver. In this case, the supported indication codes are:
Deactivation Confirmation
Power-up Indication
Monitor Channel Data Receive
Monitor Channel End of Reception
Monitor Channel Data Acknowledged
Monitor Channel Data Abort
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.
MOC
P6
6
0
6
6
Indication
PIOIC
P5
5
0
5
5
Symbol
DC
PU
P4
0
0
4
4
4
IMASK Read/Write
Code
1111
0111
MDR
P3
3
3
3
0
PICR
- 19 -
Idle code on GCI interface
U transceiver power up
MER
P2
MOIR
0
2
2
2
Descriptions
Publication Release Date: October 2000
Read_clear
Address 00h
MDA
P1
0
1
1
1
Preliminary W6694
Read_clear
MAB
P0
1
0
0
0
Revision A1