fs6131 AMI Semiconductor, Inc., fs6131 Datasheet - Page 18

• Manufacturer Part Number: fs6131
• Description: Fs6131-01g Programmable Line Lock Clock Generator Ic
• Manufacturer: AMI Semiconductor, Inc.

FS6131-01/FS6131-01g Programmable Line Lock Clock Generator IC
Table 5: LOCK/IPRG Pin Configuration Bits
Table 6: Lock Status
Table 7: Main Loop Tuning Bits
CMOS
1
1
Name
STAT[1:0]
(Bits 63-62)
Name
VCOSPD
(Bit 44)
MLCP[1:0]
(Bits 41-40)
LFTC
(Bit 43)
AMI Semiconductor
www.amis.com
STAT [1]
0
0
Specifications subject to change without notice
– Rev. 3.0, Jan. 08
STAT [0]
0
1
Description
Crystal Loop Lock STATus Mode /
Main Loop Phase Align STATus mode
(see also Table 6)
Bit 63 = 0
Bit 62 = 0
Bit 63 = 0
Bit 62 = 1
Bit 63 = 1
Bit 62 = 0
Bit 63 = 1
Bit 62 = 1
Description
VCO SPeeD range select (see Table 16)
Bit = 0
Bit = 1
Main Loop Charge Pump current
Bit 41 = 0
Bit 40 = 0
Bit 41 = 0
Bit 40 = 1
Bit 41 = 1
Bit 40 = 0
Bit 41 = 1
Bit 40 = 1
Loop Filter Time Constant (internal)
Bit = 0
Bit = 1
LOCK /
IPRG PIN
1
0
0
1
Crystal Loop Lock status:
Locked or Unlocked
Crystal Loop Lock status:
Out of Range High or Low
Main Loop Phase Align status
Feedback Divider output
High Speed Range
Low Speed Range
Current = 1.5µA
Current = 5µA
Current = 8µA
Current = 24µA
Short Time Constant: 13.5µs
Long Time Constant: 135µs
STAT[1]
Read
1
0
0
1
18
Status
Locked
Unlocked
Out-of-Range: Low
Out-of-Range: High
Data Sheet