參數(shù)資料
型號(hào): DS3105LN+
廠商: Maxim Integrated Products
文件頁數(shù): 76/124頁
文件大?。?/td> 0K
描述: IC TIMING LINE CARD 64-LQFP
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 160
類型: 定時(shí)卡 IC,多路復(fù)用器
PLL:
主要目的: 以太網(wǎng),SONET/SDH,Stratum,電信
輸入: CMOS,LVDS,LVPECL,TTL
輸出: CMOS,LVDS,LVPECL,TTL
電路數(shù): 1
比率 - 輸入:輸出: 5:2
差分 - 輸入:輸出: 無/是
頻率 - 最大: 312.5MHz
電源電壓: 1.62 V ~ 1.98 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 64-LQFP
供應(yīng)商設(shè)備封裝: 64-LQFP(10x10)
包裝: 托盤
DS3105
55
Register Name:
TEST1
Register Description:
Test Register 1 (Not Normally Used)
Register Address:
03h
Bit #
7
6
5
4
3
2
1
0
Name
PALARM
D180
RA
0
8KPOL
0
Default
0
1
0
1
0
Bit 7: Phase Alarm (PALARM). This real-time status bit indicates the state of the T0 DPLL phase-lock detector.
See Section 7.7.6. (Note: This is not the same as T0STATE = locked.)
0 = T0 DPLL phase-lock parameters are met (FLEN, CLEN, NALOL, FLLOL)
1 = T0 DPLL loss-of-phase lock
Bit 6: Disable 180 (D180). When locking to a new reference, the T0 DPLL first tries nearest edge locking (
±180°)
for the first two seconds. If unsuccessful, it tries full phase/frequency locking (
±360°). Disabling the nearest edge
locking can reduce lock time by up to two seconds but may cause an unnecessary phase shift (up to 360
°) when
the new reference is close in frequency/phase to the old reference. See Section 7.7.5.
0 = Normal operation: try nearest edge locking then phase/frequency locking
1 = Phase/frequency locking only
Bit 4: Resync Analog Dividers (RA). When this bit is set the analog output dividers are always synchronized to
ensure that low-frequency outputs are in sync with the higher frequency clock from the DPLL.
0 = Synchronized for the first two seconds after power-up
1 = Always synchronized
Bits 3, 1, and 0: Leave set to zero (test control).
Bit 2: 8kHz Edge Polarity (8KPOL). Specifies the input clock edge to lock to on the selected reference when it is
configured for LOCK8K mode. See Section 7.4.2.
0 = Falling edge
1 = Rising edge
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