m21330 Mindspeed Technologies, m21330 Datasheet - Page 16

• Manufacturer Part Number: m21330
• Description: 4.25 Gbps Quad-channel Cable Driver And Adaptive Equalizer With 4x4 Crosspoint Switch
• Manufacturer: Mindspeed Technologies

Address 0Ah—Alarm Configuration
Address 0Bh—Squelch Control
Address 0Ch—Memory Interface Control Mode Registers
21330-DSH-001-B
[7:6]
[4:1]
[7:6]
[3:0]
[7:3]
[2:0]
Bits
Bits
Bits
5
0
5
4
RSVD
RSVD
RSVD
RSVD
Type
Type
Type
R/W
R/W
R/W
R/W
R/W
R/W
Default
Default
Default
00000
0101
0000
000
11
11
0
0
0
0
MSPD
xLOS_en
MSPD
clear_alarm
sqlevel
squelch
sqtime
MSPD
MSPD
micdev
Label
Label
Label
Mindspeed Technologies
Reserved, set to 11.
0: Enable LOS circuit
1: Disable and power down LOS circuit
Reserved, set to 0101.
0: Normal operation.
1: Clear alarm registers.
(Note: To clear alarms, set this bit to '1', then set back to '0' for normal operation)
00: Never squelch output.
01: Output H on LOS (recommended for DC coupled outputs).
10: Output L on LOS (recommended for DC coupled outputs).
11: Output electrical idle level on LOS (recommended for AC coupled outputs).
0: Normal operation.
1: Force squelch to level determined by sqlevel setting (bits [7:6]).
Squelch enable time.
0: Declare LOS after approx 5us of no input data.
1: Declare LOS after approx 1us of no input data.
Reserved, set to 0000.
Identifies the number of M21330 devices on the bus for Memory Interface Control mode.
00000: No additional M21330 devices on serial buss
...
11010: Maximum number(26) of additional M21330 devices on serial buss
Reserved, set to 000.
Control Registers Map and Descriptions
®
Description
Description
Description
16