- 您现在的位置：买卖IC网 > PDF目录16329 > LMK04031BEVAL/NOPB (National Semiconductor)EVAL BOARD LMK04031BISQ PDF资料下载
参数资料
| 型号： | LMK04031BEVAL/NOPB |
| 厂商： | National Semiconductor |
| 文件页数： | 25/65页 |
| 文件大小： | 0K |
| 描述： | EVAL BOARD LMK04031BISQ |
| 标准包装： | 1 |
| 系列： | PowerWise® |
| 主要目的： | 计时，多用途 |
| 嵌入式： | 否 |
| 已用 IC / 零件： | LMK04031 |
| 已供物品： | 板，线缆，文档，软件 |
第1页第2页第3页第4页第5页第6页第7页第8页第9页第10页第11页第12页第13页第14页第15页第16页第17页第18页第19页第20页第21页第22页第23页第24页当前第25页第26页第27页第28页第29页第30页第31页第32页第33页第34页第35页第36页第37页第38页第39页第40页第41页第42页第43页第44页第45页第46页第47页第48页第49页第50页第51页第52页第53页第54页第55页第56页第57页第58页第59页第60页第61页第62页第63页第64页第65页
SNOSAZ8J – SEPTEMBER 2008 – REVISED SEPTEMBER 2011
Default Device Register Settings After Power On/Reset
Table 4 illustrates the default register settings programmed in silicon for the LMK040xx after power on or
asserting the reset bit.
Table 4. Default Device Register Settings after Power On/Reset
Field Name
Default
Default State
Field Description
Register
Bit Location
Value
(MSB:LSB)
(decimal)
CLKoutX_PECL_LVL
0
2VPECL disabled
This bit sets LVPECL clock level. Valid when
R0 to R4
23
the clock channel is configured as
LVPECL/2VPECL; otherwise, not relevant.
CLKoutXB_STATE
0
Inverted
This field sets the state of output B of an
R1 to R3
22:21
LVCMOS Clock channel.
CLKoutXA_STATE
1
Non-Inverted
This field sets the state of output A of an
R1 to R3
20:19
LVCMOS Clock channel.
EN_CLKoutX
0
OFF
Clock Channel enable bit. Note: The state of
R0 to R4
16
CLKout2 is ON by default.
Reserved Registers
(1)
R5,R6,R8
NA
R9,R10
RC_DLD1_Start
1
Enabled
Forces the VCO tuning algorithm state
R10
29
machine to wait until PLL1 is locked.
CLKin1_BUFTYPE
1
MOS mode
CLKin1 Input Buffer Type
R11
11
CLKin0_BUFTYPE
1
MOS mode
CLKin0 Input Buffer Type
R11
10
LOS_TIMEOUT
1
3 MHz (min.)
Selects Lower Reference Clock input
R11
9:8
frequency for LOS Detection.
LOS_TYPE
3
CMOS
Selects LOS output type (2)
R11
7:6
CLKin_SEL
0
CLKin0
Selects Reference Clock source
R11
5:4
PLL1 CP Polarity
1
Positive polarity
Selects the charge pump output polarity, i.e.,
R12
31
the tuning slope of the external VCXO
PLL1_CP_GAIN
6
100 A
Sets the PLL1 Charge Pump Gain
R12
30:28
PLL1_R Counter
1
Divide = 1
Sets divide value for PLL1_R Counter
R12
27:16
PLL1_N Counter
1
Divide = 1
Sets divide value for PLL1_N Counter
R12
15:4
EN_PLL2_REF2X
0
Disabled
Enables or disables the OSCin frequency
R13
16
doubler path for the PLL2 reference input
EN_PLL2_XTAL
0
OFF
Enables or Disables internal circuits that
R13
21
support an external crystal driving the OSCin
pins
EN_Fout
0
OFF
Enables or disables the VCO output buffer
R13
20
CLK Global Enable
1
Enabled
Global enable or disable for output clocks
R13
18
POWER DOWN
0
Disabled (device is Device power down control
R13
17
active)
PLL2 CP TRI-STATE
0
TRI-STATE
Enables or disables TRI-STATE for PLL2
R13
15
disabled
Charge Pump
PLL1 CP TRI-STATE
0
TRI-STATE
Enables or disables TRI-STATE for PLL1
R13
14
disabled
Charge Pump
OSCin_FREQ
200
200 MHz
Source frequency driving OSCin port
R14
28:21
PLL_MUX
31
Reserved
Selects output routed to LD pin
R14
20:16
PLL2_R Counter
1
Divide = 1
Sets Divide value for PLL2_R Counter
R14
15:4
PLL2_CP_GAIN
2
1600 A
Sets PLL2 Charge Pump Gain
R15
27:26
VCO_DIV
2
Divide = 2
Sets divide value for VCO output divider
R15
25:22
PLL2_N Counter
1
Divide = 1
Sets PLL2_N Counter value
R15
21:4
(1)
These registers are reserved. The Power On/Reset values for these registers are shown in the register map and should not be changed
during programming.
(2)
If the CLKin_SEL value is set to either [0,0] or [0,1], the LOS_TYPE field should be set to [0,0].
Copyright 2008–2011, Texas Instruments Incorporated
31
相关PDF资料 |
PDF描述 |
|---|---|
| LTC2903CS6-D1#TRMPBF | IC QUAD SPLY MONITOR ADJ SOT23-6 |
| 3-1906054-1 | CA 2MM OFNR 62.5/125,LC SEC GRE |
| PCV1V820MCL1GS | CAP ALUM 82UF 35V 20% SMD |
| 3-1906053-1 | CA 2MM OFNR 62.5/125,LC SEC YEL |
| LMK04033BEVAL/NOPB | BOARD EVALUATION LMK04033 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| LMK04031BEVALXO | 功能描述:时钟和定时器开发工具 LMK04031 EVAL BOARD RoHS:否 制造商:Texas Instruments 产品:Evaluation Modules 类型:Clock Conditioners 工具用于评估:LMK04100B 频率:122.8 MHz 工作电源电压:3.3 V |
| LMK04031BISQ | 制造商:Texas Instruments 功能描述:Clock Conditioner 48-Pin LLP EP T/R |
| LMK04031BISQ/NOPB | 功能描述:时钟合成器/抖动清除器 RoHS:否 制造商:Skyworks Solutions, Inc. 输出端数量: 输出电平: 最大输出频率: 输入电平: 最大输入频率:6.1 GHz 电源电压-最大:3.3 V 电源电压-最小:2.7 V 封装 / 箱体:TSSOP-28 封装:Reel |
| LMK04031BISQE | 制造商:Texas Instruments 功能描述:PRECISION CLOCK CONDITIONER, 48LLP |
| LMK04031BISQE/NOPB | 功能描述:时钟合成器/抖动清除器 RoHS:否 制造商:Skyworks Solutions, Inc. 输出端数量: 输出电平: 最大输出频率: 输入电平: 最大输入频率:6.1 GHz 电源电压-最大:3.3 V 电源电压-最小:2.7 V 封装 / 箱体:TSSOP-28 封装:Reel |
发布紧急采购，3分钟左右您将得到回复。