參數(shù)資料
型號: ZL50015QCC1
廠商: ZARLINK SEMICONDUCTOR INC
元件分類: 路由/交換
英文描述: Enhanced 1 K Digital Switch with Stratum 4E DPLL
中文描述: TELECOM, DIGITAL TIME SWITCH, PQFP256
封裝: 28 X 28 MM, 1.40 MM HEIGHT, LEAD FREE, MS-026BJC, LQFP-256
文件頁數(shù): 73/122頁
文件大小: 926K
代理商: ZL50015QCC1
ZL50015
Data Sheet
73
Zarlink Semiconductor Inc.
Bit
Name
Description
15 - 4
Unused
Reserved
In normal functional mode, these bits
MUST
be set to zero.
3
LIM
Lock Interrupt Mask Bit
When this bit is high, it masks the lock status change interrupt.
2
RIM
Reference Change Interrupt Mask Bit
When this bit is high, it masks the reference change interrupt.
1
HIM
Holdover Interrupt Mask Bit
When this bit is high, it masks the holdover entry/exit interrupt.
0
Unused
Reserved
In normal functional mode, this bit
MUST
be set to one.
Table 37 - Interrupt Mask Register (IMR) Bits
Bit
Name
Description
15 - 4
Unused
Reserved
In normal functional mode, these bits
MUST
be set to zero.
3 - 1
ICB3 - 1
Interrupt Clear Bits
Writing a “1” to any bit in this register will clear the corresponding bit in the Interrupt
Register (IR). The Interrupt Clear Register is self-clearing, i.e. once it has completed
its action, the ICR register bit returns to 0.
0
Unused
Reserved
In normal functional mode, this bit
MUST
be set to one.
Table 38 - Interrupt Clear Register (ICR) Bits
External Read/Write Address: 0067
H
Reset Value: 000F
H
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
LIM
RIM
HIM
1
External Read/Write Address: 0068
H
Reset Value: 0000
H
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
ICB
3
ICB
2
ICB
1
1
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