參數(shù)資料
型號: DS3105LN+
廠商: Maxim Integrated Products
文件頁數(shù): 104/124頁
文件大?。?/td> 0K
描述: IC TIMING LINE CARD 64-LQFP
產(chǎn)品培訓模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 160
類型: 定時卡 IC,多路復用器
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
供應商設備封裝: 64-LQFP(10x10)
包裝: 托盤
DS3105
80
Register Name:
DLIMIT3
Register Description:
DPLL Frequency Limit Register 3
Register Address:
4Dh
Bit #
7
6
5
4
3
2
1
0
Name
FLLOL
SOFTLIM[6:0]
Default
1
0
1
0
Bit 7: Frequency Limit Loss-of-Lock (FLLOL). When this bit is set to 1, the T0 DPLL and the T4 DPLL internally
declare loss-of-lock when their hard limits are reached. The T0 DPLL hard frequency limit is set in the
HARDLIM[9:0] field in the DLIMIT1 and DLIMIT2 registers. The T4 DPLL hard frequency limit is fixed at
±80ppm.
See Section 7.7.6.
0 = DPLL declares loss-of-lock normally.
1 = DPLL also declares loss-of-lock when the hard frequency limit is reached.
Bits 6 to 0: DPLL Soft Frequency Limit (SOFTLIM[6:0]). This field is an unsigned integer that specifies the soft
frequency limit for the T0 DPLL and the T4 DPLL. The soft limit is only used for monitoring; exceeding this limit
does not cause loss-of-lock. The limit in ppm is
±SOFTLIM[6:0] × 0.628. The default value is ±8.79ppm. When the
T0 DPLL frequency reaches the soft limit the T0SOFT status bit is set in the OPSTATE register. When the T4
DPLL frequency reaches the soft limit the T4SOFT status bit is set in OPSTATE. See Section 7.7.6.
Register Name:
IER4
Register Description:
Interrupt Enable Register 4
Register Address:
4Eh
Bit #
7
6
5
4
3
2
1
0
Name
HORDY
Default
0
Bit 6: Interrupt Enable for Holdover Frequency Ready (HORDY). This bit is an interrupt enable for the HORDY
bit in the MSR4 register.
0 = Mask the interrupt
1 = Enable the interrupt
Register Name:
OCR5
Register Description:
Output Configuration Register 1
Register Address:
4Fh
Bit #
7
6
5
4
3
2
1
0
Name
AOF6
AOF3
Default
0
Bit 5: Alternate Output Frequency Mode Select 6 (AOF6). This bit controls the decoding of the OCR3.OFREQ6
field for the OC6 pin.
0 = Standard decodes
1 = Alternate decodes
Bit 2: Alternate Output Frequency Mode Select 3 (AOF3). This bit controls the decoding of the OCR2.OFREQ3
field for the OC3 pin.
0 = Standard decodes
1 = Alternate decodes
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