zl50022 Zarlink Semiconductor, zl50022 Datasheet - Page 72

• Manufacturer Part Number: zl50022
• Description: Enhanced 4 K Digital Switch With Stratum 4e Dpll
• Manufacturer: Zarlink Semiconductor

Note 1:
Note 2:
External Read/Write Address: 0067
Reset Value: 000F
15 - 4
15 - 4
External Read Only Address: 0066
15
15
0
Bit
0
Bit
3
2
1
0
3
2
1
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
14
0
0
Unused
Name
Unused
Unused
RIM
HIM
LIM
Name
HOI
H
RCI
LCI
13
13
0
0
Reserved
In normal functional mode, these bits MUST be set to zero.
Lock Interrupt Mask Bit
When this bit is high, it masks the lock status change interrupt.
Reference Change Interrupt Mask Bit
When this bit is high, it masks the reference change interrupt.
Holdover Interrupt Mask Bit
When this bit is high, it masks the holdover entry/exit interrupt.
12
12
0
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.
Reserved
In normal functional mode, this bit is zero.
H
Table 38 - Interrupt Register (IR) Bits - Read Only
11
H
Table 39 - Interrupt Mask Register (IMR) Bits
0
11
0
10
0
10
0
9
0
9
0
Zarlink Semiconductor Inc.
ZL50022
8
0
8
0
72
7
0
7
0
Description
Description
6
0
6
0
5
0
5
0
4
0
4
0
LIM
3
LCI
3
RIM
2
RCI
2
HIM
1
Data Sheet
HOI
1
0
1
0
0