MT8924AS Zarlink Semiconductor, MT8924AS Datasheet - Page 8

• Manufacturer Part Number: MT8924AS
• Description: MT8924 - PCM Conference Circuit (PCC)
• Manufacturer: Zarlink Semiconductor

MT8924
8-10
Instruction 5 : PCM Operating Mode Selection
Instruction 6 : Status Monitoring
E:
F1 - F0:
P3 - P0:
Note:
CS
CS
0
0
0
0
Control Signals
Control Signals
RD
RD
1
1
1
0
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
channel mode operation information
0000 = no connection
1111 = transparent mode
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, WR=1, and CS=0
C/D
C/D
1
0
1
1
WR
WR
0
0
0
1
D7
D7
P3
X
X
X
D6
D6
P2
E
X
X
D5
F1
D5
P1
X
X
Data Bus
Data Bus
D4
D4
C4
F0
P0
X
D3
D3
C3
A1
0
0
A1 - A0:
T1 - T0:
D2
D2
C2
A0
1
1
D1
D1
C1
T1
0
1
see channel attenuation description
for Instruction 1
see noise suppression description
for Instruction 1
D0
D0
C0
T0
1
0
Preliminary Information
see Table 1
Comments
Comments