MH89790B
Data sheet
Appendix
Control and Status Register Summary
7
6
5
4
3
2
1
0
UNUSED
Keep at 1
LOOP16
1 Enabled
0 Disabled
UNUSED
NDBD
NDBC
NDBB
NDBA
1 No
Debounce
1 No
1 No
1 No
Keep at 1
Debounce
0 Debounce
Debounce
0 Debounce
Debounce
0 Debounce
0 Debounce
Master Control Word 1 (MCW1) - CSTi0, Channel 15
UNUSED
UNUSED
CCS
1 Common
Channel
0 Channel
Associated
8 kHz SEL
1 Enabled
0 Disabled
TXAIS
1 Alarm On
0 Alarm Off
TXTS16AIS
1 Alarm On
0 Alarm Off
XCTL
1 Set High
0 Cleared
UNUSED
Keep at 1
Keep at 0
Master Control Word 2 (MCW2) - CSTi0, Channel 31
UNUSED
SiMUX
1 Enabled
0 Disabled
RMLOOP
1 Enabled
0 Disabled
HDB3en
1 Disabled
0 Enabled
Maint
1 Enabled
0 Disabled
CRCen
1 Enabled
0 Disabled
DGLOOP
1 Enabled
0 Disabled
ReFR
Device
reframes on
High to Low
Transition
Keep at 0
Master Control Word 3 (MCW3) - CSTi1, Channel 18
DATA
1 No ADI
0 Enable ADI
LOOP
1 Enabled
0 Disabled
RxPAD4
RxPAD2
RxPAD1
TxPAD4
TxPAD2
TxPAD1
Per Channel Control Word - CSTi0, Channels 0-14 and 16-30
A(N)
Tx
Signalling Bit
B(N)
Tx
Signalling Bit
C(N)
Tx
Signalling Bit
D(N)
Tx
Signalling Bit
A(N+15)
Tx
Signalling Bit
B(N+15)
Tx
Signalling Bit
C(N+15)
Tx
Signalling Bit
D(N+15)
Tx
Signalling Bit
Channel Associated Signalling - CSTi1, Channels N = 1 to 15
IUO
FAF2-8
Should be
kept at 1
Frame Alignment Signal - Keep at "0011011"
Frame Alignment Signal - CSTi1, Channel 16
MA1-4
Multiframe Alignment Signal - Keep at "0000"
X1
Spare Bit
Should be 1
Y
X2, X3
Spare Bits - Should be 1
1 Alarm On
0 Alarm off
Multiframe Alignment Signals - CSTi1, Channel 0
IU1
NFAF
ALM
1 Alarm On
0 Alarm Off
NU1-5
Bits Reserved for National Use - Should be kept at "1"
Reserved for
International
Used
Keep at "1"
Non-Frame Alignment Signal - CSTi1, Channel 17
30
Zarlink Semiconductor Inc.
ZARLINK [ ZARLINK SEMICONDUCTOR INC ]
