IDT82V3380PF8 IDT, Integrated Device Technology Inc, IDT82V3380PF8 Datasheet - Page 111
IDT82V3380PF8
Manufacturer Part Number
IDT82V3380PF8
Description
Manufacturer
IDT, Integrated Device Technology Inc
Datasheet
1.IDT82V3380PF8.pdf
(170 pages)
Specifications of IDT82V3380PF8
Function
Wan PLL
Operating Temperature (max)
85C
Operating Temperature (min)
-40C
Package Type
TQFP
Pin Count
100
Mounting
Surface Mount
Lead Free Status / RoHS Status
Not Compliant
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IN_FREQ_READ_STS - Input Clock Frequency Read Value
IN1_IN2_STS - Input Clock 1 & 2 Status
Programming Information
IDT82V3380
Address: 42H
Type: Read
Default Value: 00000000
Address: 43H
Type: Read
Default Value: X110X110
IN_FREQ_VAL
7 - 0
Bit
Bit
7
6
5
4
3
2
1
0
UE7
7
7
-
IN_FREQ_VALUE[7:0]
IN2_NO_ACTIVITY_ALARM
IN1_NO_ACTIVITY_ALARM
IN2_FREQ_HARD_ALARM
IN1_FREQ_HARD_ALARM
IN2_PH_LOCK_ALARM
IN1_PH_LOCK_ALARM
IN2_FREQ_HA
IN_FREQ_VAL
RD_ALARM
Name
Name
UE6
6
6
-
-
These bits represent a 2’s complement signed integer. If the value is multiplied by the value in the
FREQ_MON_FACTOR[3:0] bits (b3~0, 2EH), the frequency of an input clock with respect to the reference clock in ppm will
be gotten. The input clock is selected by the IN_FREQ_READ_CH[3:0] bits (b3~0, 41H).
The value in these bits is updated every 16 seconds, starting when an input clock is selected.
IN2_NO_ACTIV
IN_FREQ_VAL
ITY_ALARM
Reserved.
This bit indicates whether IN2 is in frequency hard alarm status.
0: No frequency hard alarm.
1: In frequency hard alarm status. (default)
This bit indicates whether IN2 is in no-activity alarm status.
0: No no-activity alarm.
1: In no-activity alarm status. (default)
This bit indicates whether IN2 is in phase lock alarm status.
0: No phase lock alarm. (default)
1: In phase lock alarm status.
If the PH_ALARM_TIMEOUT bit (b5, 09H) is ‘0’, this bit is cleared by writing ‘1’ to this bit; if the
PH_ALARM_TIMEOUT bit (b5, 09H) is ‘1’, this bit is cleared after a period ( = TIME_OUT_VALUE[5:0] (b5~0, 08H) X
MULTI_FACTOR[1:0] (b7~6, 08H) in second ) which starts from when the alarm is raised.
Reserved.
This bit indicates whether IN1 is in frequency hard alarm status.
0: No frequency hard alarm.
1: In frequency hard alarm status. (default)
This bit indicates whether IN1 is in no-activity alarm status.
0: No no-activity alarm.
1: In no-activity alarm status. (default)
This bit indicates whether IN1 is in phase lock alarm status.
0: No phase lock alarm. (default)
1: In phase lock alarm status.
If the PH_ALARM_TIMEOUT bit (b5, 09H) is ‘0’, this bit is cleared by writing ‘1’ to this bit; if the
PH_ALARM_TIMEOUT bit (b5, 09H) is ‘1’, this bit is cleared after a period ( = TIME_OUT_VALUE[5:0] (b5~0, 08H) X
MULTI_FACTOR[1:0] (b7~6, 08H) in second ) which starts from when the alarm is raised.
UE5
5
5
IN2_PH_LOCK
IN_FREQ_VAL
_ALARM
UE4
4
4
111
IN_FREQ_VAL
UE3
3
3
-
Description
Description
IN1_FREQ_HA
IN_FREQ_VAL
RD_ALARM
UE2
2
2
SYNCHRONOUS ETHERNET WAN PLL
IN1_NO_ACTIV
IN_FREQ_VAL
ITY_ALARM
UE1
1
1
October 20, 2008
IN_FREQ_VAL
IN1_PH_LOCK
_ALARM
UE0
0
0
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