zl50021 Zarlink Semiconductor, zl50021 Datasheet - Page 92

• Manufacturer Part Number: zl50021
• Description: Enhanced 4 K Digital Switch With Stratum 3 Dpll
• Manufacturer: Zarlink Semiconductor

15 - 12
11 - 9
8 - 6
External Read Only Address: 006B
Bit
15
0
14
R3FS2 - 0
R2FS2 - 0
0
Unused
Name
Table 59 - Reference Frequency Status Register (RFSR) Bits - Read only
13
0
Reserved. In normal functional mode, these bits are zero.
Reference 3 Frequency Status Bits: These bits report detected frequency of REF3.
Reference 2 Frequency Status Bits: These bits report detected frequency of REF2.
12
0
R3FS
H
11
2
R3FS2
R2FS2
R3FS
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
10
1
R3FS
R3FS1
R2FS1
9
0
Zarlink Semiconductor Inc.
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
ZL50021
R2FS
8
2
92
R3FS0
R2FS0
R2FS
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
7
1
Description
R2FS
6
0
REF 2 Frequency Measurement
REF3 Frequency Measurement
R1FS
5
2
16.384 MHz
16.384 MHz
1.544 MHz
2.048 MHz
4.096 MHz
8.192 MHz
19.44 MHz
1.544 MHz
2.048 MHz
4.096 MHz
8.192 MHz
19.44 MHz
Reserved
Reserved
R1FS
8 kHz
8 kHz
4
1
R1FS
3
0
R0FS
2
2
R0FS
Data Sheet
1
1
R0FS
0
0