MT8924
Instruction 5 : PCM Operating Mode Selection
Control Signals
CS
0
E:
F1 - F0:
Preliminary Information
Data Bus
D7
X
D6
E
D5
F1
D4
F0
D3
0
D2
1
D1
0
D0
1
Comments
RD
1
C/D
1
WR
0
see Table 1
Extra bit insertion (active when E=1)
PCM byte format selection (see Table 1)
00 = no bit inverted
01 = even bit (B0, B2, B4, B6) inverted
10 = odd bit (B1, B3, B5) inverted
11 = all bits (B0, B1, B2, B3, B4, B5, B6) inverted
Instruction 6 : Status Monitoring
Control Signals
CS
0
0
0
P3 - P0:
Data Bus
D7
X
X
P3
D6
X
X
P2
D5
X
X
P1
D4
C4
X
P0
D3
C3
0
A1
D2
C2
1
A0
D1
C1
1
T1
D0
C0
0
T0
Comments
RD
1
1
0
C/D
0
1
1
WR
0
0
1
Note:
channel mode operation information
A1 - A0:
0000 = no connection
1111 = transparent mode
T1 - T0:
1010 - 0001 = conference mode
P3 - P0 provides conference number
Instruction 6 enables the data bus to read the status until reset by C/D=0,
see channel attenuation description
for Instruction 1
see noise suppression description
for Instruction 1
WR=1, and CS=0
8-10
MITEL [ MITEL NETWORKS CORPORATION ]
