參數(shù)資料
型號: IDT82V3255
廠商: Integrated Device Technology, Inc.
英文描述: WAN PLL
中文描述: 廣域網(wǎng)鎖相環(huán)
文件頁數(shù): 83/127頁
文件大?。?/td> 868K
代理商: IDT82V3255
IDT82V3255
WAN PLL
Programming Information
83
June 19, 2006
IN3_CMOS_STS - CMOS Input Clock 3 Status
Address: 47H
Type: Read
Default Value: XXXXX110
Bit
Name
Description
7 - 3
-
Reserved.
This bit indicates whether IN3_CMOS is in frequency hard alarm status.
0: No frequency hard alarm.
1: In frequency hard alarm status. (default)
This bit indicates whether IN3_CMOS is in no-activity alarm status.
0: No no-activity alarm.
1: In no-activity alarm status. (default)
This bit indicates whether IN3_CMOS 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.
2
IN3_CMOS_FREQ_HARD_ALARM
1
IN3_CMOS_NO_ACTIVITY_ALARM
0
IN3_CMOS_PH_LOCK_ALARM
7
6
5
4
3
2
1
0
-
-
-
-
-
IN3_CMOS_FRE
Q_HARD_ALAR
M
IN3_CMOS_NO_
ACTIVITY_ALAR
M
IN3_CMOS_PH_
LOCK_ALARM
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