参数资料
型号: IDT82V3355TFG
厂商: IDT, Integrated Device Technology Inc
文件页数: 94/135页
文件大小: 0K
描述: IC PLL WAN SYNC ETH 64-TQFP
标准包装: 1
类型: 时钟/频率发生器,多路复用器
PLL:
主要目的: 以太网,SONET/SDH,Stratum
输入: CMOS,LVDS,PECL
输出: CMOS,LVDS,PECL
电路数: 1
比率 - 输入:输出: 3:2
差分 - 输入:输出: 是/是
频率 - 最大: 622.08MHz
电源电压: 3 V ~ 3.6 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 64-LQFP
供应商设备封装: 64-TQFP(10x10)
包装: 托盘
其它名称: 82V3355TFG
IDT82V3355
SYNCHRONOUS ETHERNET WAN PLL
Programming Information
61
May 19, 2009
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’.
6T4_STS
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’.
5
-
Reserved.
4INPUT_TO_T4
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’.
3 - 0
-
Reserved.
Address: 10H
Type: Read / Write
Default Value: XX0000XX
Bit
Name
Description
7 - 6
-
Reserved.
5 - 4
INn_DIFF
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.
3 - 2
INn_CMOS
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.
1 - 0
-
Reserved.
7
6543210
EX_SYNC_ALARM
T4_STS
-
INPUT_TO_T4
-
76543210
-
IN2_DIFF
IN1_DIFF
IN2_CMOS
IN1_CMOS
-
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