参数资料
型号: IDT82V3255TFG
厂商: INTEGRATED DEVICE TECHNOLOGY INC
元件分类: 通信及网络
英文描述: WAN PLL
中文描述: SPECIALTY TELECOM CIRCUIT, PQFP64
封装: GREEN, TQFP-64
文件页数: 60/127页
文件大小: 868K
代理商: IDT82V3255TFG
IDT82V3255
WAN PLL
Programming Information
60
June 19, 2006
INTERRUPTS3_STS - Interrupt Status 3
INTERRUPTS1_ENABLE_CNFG - Interrupt Control 1
Address: 0FH
Type: Read / Write
Default Value: 11X1XXXX
Bit
Name
Description
7
EX_SYNC_ALARM
This bit indicates whether an external sync alarm is raised; i.e., whether there is a transition from ‘0’ to ‘1’ on the
EX_SYNC_ALARM_MON bit (b7, 52H).
0: Has not occurred.
1: Has occurred. (default)
This bit is cleared by writing a ‘1’.
This bit indicates the T4 DPLL locking status changes (from ‘locked’ to ‘unlocked’ or from ‘unlocked’ to ‘locked’); i.e., whether
there is a transition (from ‘0’ to ‘1’ or from ‘1’ to ‘0’) on the T4_DPLL_LOCK bit (b6, 52H).
0: Has not changed.
1: Has changed. (default)
This bit is cleared by writing a ‘1’.
Reserved.
This bit indicates whether all the input clocks for T4 path changes to be unqualified; i.e., whether the
HIGHEST_PRIORITY_VALIDATED[3:0] bits (b7~4, 4EH) are set to ‘0000’ when these bits are available for T4 path.
0: Has not changed.
1: Has changed. (default)
This bit is cleared by writing a ‘1’.
Reserved.
6
T4_STS
5
-
4
INPUT_TO_T4
3 - 0
-
Address: 10H
Type: Read / Write
Default Value: XX0000XX
Bit
Name
Description
7 - 6
-
Reserved.
This bit controls whether the interrupt is enabled to be reported on the INT_REQ pin when the input clock validity changes (from
‘valid’ to ‘invalid’ or from ‘invalid’ to ‘valid’), i.e., when the corresponding INn_DIFF bit (b5/4, 0DH) is ‘1’. Here n is 2 or 1.
0: Disabled. (default)
1: Enabled.
This bit controls whether the interrupt is enabled to be reported on the INT_REQ pin when the input clock validity changes (from
‘valid’ to ‘invalid’ or from ‘invalid’ to ‘valid’), i.e., when the corresponding INn_CMOS bit (b3/2, 0DH) is ‘1’. Here n is 2 or 1.
0: Disabled. (default)
1: Enabled.
Reserved.
5 - 4
INn_DIFF
3 - 2
INn_CMOS
1 - 0
-
7
6
5
4
3
2
1
0
EX_SYNC_ALARM
T4_STS
-
INPUT_TO_T4
-
-
-
-
7
6
5
4
3
2
1
0
-
-
IN2_DIFF
IN1_DIFF
IN2_CMOS
IN1_CMOS
-
-
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