zl50021 Zarlink Semiconductor, zl50021 Datasheet - Page 87

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

Note 1:
Note 2:
15 - 4
External Read Only Address: 0066
15
0
Bit
3
2
1
0
If any of these bits are set, the interrupt output will become active unless the Interrupt Mask Register (IMR) has a high
value for that particular bit.
Any of these bits can be cleared by setting the appropriate bit in the Interrupt Clear Register.
14
0
Unused
Name
HOI
RCI
LCI
SLI
13
0
12
0
Reserved. In normal functional mode, these bits is zero.
Lock Change Interrupt Bit: If the device sets this bit to high, the device lock status
has changed.
Reference Change Interrupt Bit: If the device sets this bit to high, the selected
reference has changed.
Holdover Interrupt Bit: If the device sets this bit to high, the device has entered or
recovered from the holdover/MTIE mode.
Slew Rate Limit Interrupt Bit: If the device sets this bit to high, the device phase
status has changed from perspective of changing at the slew rate limit.
Table 54 - Interrupt Register (IR) Bits - Read Only
H
11
0
10
0
9
0
Zarlink Semiconductor Inc.
ZL50021
8
0
87
7
0
Description
6
0
5
0
4
0
LCI
3
RCI
2
Data Sheet
HOI
1
SLI
0