MT90812 Mitel Networks Corporation, MT90812 Datasheet - Page 66

• Manufacturer Part Number: MT90812
• Description: Integrated Digital Switch (IDX)
• Manufacturer: Mitel Networks Corporation

MT90812
22.12
The EDALT register is configured as follows:
ET0-ET3 encode the PCM step number while ET4-ET6 encode the PCM chord number.
22.13
The EDAHT register is configured as follows:
ET0-ET3 encode the PCM step number while ET4-ET6 encode the PCM chord number.
22.14 Supervisory Signal Cadence Register A (SSCA)
62
Read/Write Address is: 011
Reset Value is: 00
Read/Write Address is: 012
Reset Value is: 00
Read Address is: 013
Reset Value is: 00
6-0
6-0
0-6
Bit
Bit
Bit
7
7
7
Energy Detect A - Low Threshold (EDALT)
Energy Detect A - High Threshold (EDAHT)
High Threshold
Low Threshold
Unused
Unused
Name
Name
Name
t6-t0
p
H
H
H
H
Energy Detect Low Threshold. PCM sign-magnitude format with no sign bit. Bit 6 =
MSB.
Energy Detect High Threshold. PCM sign-magnitude format with no sign bit. Bit 6
= MSB.
Position with respect to high and low thresholds.
1 = above high threshold. 0 = below low threshold.
Cadence of the supervisory signal ranging from 0 to 508 msec in units of 4 msec.
7
H
7
H
7
-
-
p
ET6
ET6
6
6
6
t6
ET5
ET5
5
5
5
t5
ET4
ET4
4
4
4
t4
ET3
ET3
3
t3
3
3
ET2
ET2
2
2
2
t2
Description
Description
Description
ET1
ET1
1
t1
1
1
ET0
ET0
0
t0
0
0
Advance Information