【经验】5X1503/5L1503小型可编程时钟发生器中客户可编程易失性存储器寄存器的行为和功能

时间： 2020-06-28 来源：Renesas

技术问答

1. 寄存器说明

寄存器说明部分描述了RENESAS 5x1503 (5x1503 / 5l1503)小型可编程时钟发生器中客户可编程易失性存储器寄存器的行为和功能。

2. MicroClock时钟发生器寄存器组

5X1503/5L1503包含易失性(RAM) 8位寄存器和非易失性8位寄存器。非易失性寄存器是一次性可编程的(OTP)，并在工厂进行预编程。

器件根据RAM寄存器中的设置值工作。在启动时，预编程配置从OTP转移到RAM寄存器。然后通过I2C重新编程RAM寄存器来修改器件行为。

器件可以在“I2C模式”或“动态频率控制模式”(DFC)下启动，取决于SEL_DFC引脚2在开机时的状态。只有当器件以I2C模式启动时，才可用I2C接口访问。预编程设置确定四种DFC配置中的哪一种在I2C模式下开机时载入RAM寄存器。使用I2C命令可以更改配置，也可以用命令重新加载DFC配置。

本文档适用的器件型号如下表所示。

表1 5X1503/5L1503系列产品列表

3. MicroClock器件的VCO限制

· 标准5X1503 / 标准5L1503：FVCO: 50MHz – 130MHz

· 5X1503L / 5L1503L:FVCO： 50MHz – 130MHz

· 5X1503S / 5L1503S:FVCO： 500MHz – 1100MHz

4. PLL的用户配置表选择

动态频率控制(DFC)模式是使用四个不同的分数反馈分频器值，或用两个不同的分数反馈分频器配置的两个配置值控制用于锁相环的VCO频率。

开机时，根据SEL_DFC(引脚2)的电压来选择器件上的SEL_DFC/SDA/DFC0(引脚2)和SCL/OE3/DFC1(引脚1)引脚功能(见表2)。

当在SEL_DFC(引脚2)上加一个下拉电阻(0-10K)时，SEL_DFC/SDA/DFC0和SCL/OE3/DFC1引脚被硬件配置为DFC输入的DFC0和DFC1。DFC0和DFC1连接到VDD33和/或GND以选择四种DFC配置中的一种（DFC0到DFC3），加载到易失性寄存器中配置时钟合成频率。DFC0到DFC3的配置在工厂根据客户的规格预先编程，并指定一个特定的dash-code作为料号。

在SEL_DFC(引脚2)上加上拉电阻(1.8K-10K)，引脚SEL_DFC/SDA/DFC0和SCL/OE3/DFC1就被配置为I2C接口。这样DFC配置0加载到易失性配置寄存器中配置时钟合成器。主机就可以用I2C总线更新易失性RAM寄存器来改变配置并读取状态寄存器。

表2 硬件选择引脚与I2C模式的开机设置以及默认OTP配置寄存器

5. I2C接口和寄存器功能

当以I2C模式启动后，就可以访问器件内部的RAM寄存器。默认的器件地址是8位的0xD0或7位的0x68。器件可以预编程为8位地址0xD0-D2-D4-D6，或预编程为7位地址0x68-69-6A-6B。

用户可以通过I2C接口访问的寄存器地址和功能如下表所示。

表4 RAM寄存器映射表

器件VCO的功能框图如下图所示。

图1 5X1503 / 5X1503L

用户需要根据下面的公式来计算VCO输出频率:

FVCO = FCRYSTAL / Ref Divider × (Total Feedback Divider) (见寄存器0x04 ~ 0x07)

FOUT1 = FOUT2 = FOUT3 = FVCO / Integer Divider (见寄存器0x14 [7:3] 和0x15 [7:3])

其中Total Feedback Divider是分数计数器和整数计数器之和。

需要注意的是，VCO并不能输出任意值，而是有一定的限制，如下:

5X1503S / 5L1503S 的VCO输出限制：

FCRYSTAL : 10MHz ~ 52MHz FVCO : 500MHz ~ 1100MHz

整数输出分频器值: 1 ~ 88 (请参考数据手册中表3)

5X1503 / 5X1503L / 5L1503 / 5L1503L的VCO输出限制：

FCRYSTAL : 10MHz ~ 52MHz FVCO : 50MHz ~ 130MHz

整数输出分频器值: 1 ~ 88 (请参考数据手册中表3)

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用户指南 - RENESAS - July 24, 2019 PDF 英文下载

Block Diagrams Solution Proposals in 2020

型号- ISL9122A,ISL9001A,ISL62392C,R7F0C019/004,ZSSC3XXX,RAA211410,R2A20XXX,ISL211230,RA2L1,ISL97901,ISL91128,ISL91127,ISL3170E,PS2711-1,ISL85009,ISL95808,IDT1339,ΜPD720201,ISL29501,ISL68229,ISL6144,ISL85003,ISL85005,ISL68225,ISL68223,ISL88002IE26Z,EL9110,ISL89164,RAA214250,RV1S9353AX3,49V6967,RZ/G2E,5PB1104,ISL9301,ISL80101,READ2302,RL78/L12,RL78/L13,RX23T,FT-2000,ISL99390,PS2711,RL78/H1D,9QXL2001,ISL3172,ISL9021A,ISL83485,ISL80410,ISL99360X3,5P49V5908B508,9BDL411B,R7F0C020,RV1S9160A,ISL8117A,ISL211430,RX23W,R1EX25512ATA00I,ISL97656,ISL85415,RX113,RAA491309,RAA491308,HA1630D06MM,ICM7555,FT2000,RX111,ISL88002,ISL85410,ISL85413,RAJ240XXX,OB1203,RL78/G10,RL78/G12,RL78/G13,RL78/G14,ISL9205D,ISL1208,RL78/G1D,RAA214220,ISL28213,ISL81401,ISL8272M,ISL68301,ISL6146B,X60003,RX24T,RX130,8A34002,RS780E,ISL854102,ISL8016 X2,PS9821-1,ISL8203M,RAJ240090,5P49V6965,RAA212832,ISL21080,ISL9111,RJK0332,ISL8022,RAA235100,RA6M1,ΜPD720115K8,RA6M3,ISL29125,ISL9116,RA6M2,ISL8024,R7FA6M3,ISL6752,R1EX24512BTAS0I,ISL3179E,ISL6754,ISL8018,RTC1338,ISL3034E,PS9031,BCR16FM,RAA214401,ISL673X,ISL61861B,RJK0328,ISL99360,RX66T,5P49V5908NDGI8,R2A20114B,ISL8844A,RJK03M5DNS,P9242,HIP2211FRTZ,ISL9122,ISL9123,ISL9241,ISL89411,ISL32704E,ISL89410,HS3002,HS3003,ISL28023,FS2012,RAJ240075,ISL9238,IMVP8,RAA228113,ZMID5201,ISL28130,ISL85403,RL78/I1A,ISL3152,ISL80510,ISL94202,SB710,ISL80505,RAA223011,R9A02G011,ISL9021,9DBL411,RY7011,ISL8844,ISL94212,ISL8723,ISL317XE,ISL94216,IMVP 9,UPC177G2,ISL9005A,ISL28191,5L1503L,ISL68127,ISL80015,ISL9307,RAA306400XGFP,ISL3232E,HIP2211,HIP2103,ISL8277M,ISL95521B,ISL85014,88E1512P,ISL29035,ISL8023A,ISL28191FRUZ,PS2701A,ISL99201,ISL958XX,PS2911-1,ISL80031,ISL28291,RAA211230,RAA228228,ISL81801,PS2561F,ISL8120,ISL81487,RX/24T,ISL8014A,RX/23X,PS2561F-1,HIP2211X3,R1EX24032A,RX/130,EL4543,ZMOD4410,ISL85033,P9221,ISL89163FRTAZ,EL4544,ISL8016,PS2801-1,ISL8014,ISL6742,ISL6744,ISL315XE,ISL8025A,ICL3221E,ISL4221E,RA4W1

应用及方案 - RENESAS - Dec 18th, 2020 PDF 英文下载

MicroClock® 5X1503/5L1503 Family Evaluation Board User Guide

型号- 5L1503S,5X1503L,EVB5L1503,5L1503,5X1503S,DEV5X1503,EVB5X1503,5X1503,5X1503 FAMILY,5L1503 FAMILY,5L1503L,DEV5L1503

用户指南 - RENESAS - July 10, 2019 PDF 英文下载

【产品】用于可穿戴设备和物联网应用的MicroClock™系列超低功耗可编程时钟发生器

IDT宣布推出新的MicroClockTM系列时钟发生器。该系列时钟发生器针对小型电池供电设备进行了优化，结合了小尺寸、低功耗和可编程性，使制造商能够更快地将智能可穿戴设备、健康监视器和其他小型电池供电设备推向市场。目前包含4个器件——新的5X1503和5L1503以及5X2503和5L2503。

新产品发布时间 : 2019-08-01

RENESAS（瑞萨电子）计时产品介绍

描述- RENESAS PRODUCT LINE-UP:UNLEASHING THE POWER OF A CONNECTED WORLD

型号- ISL9001A,8P79808,ZL9117M,ISL8033*,ISL8023,5L2503,5X1503,ISL8026,ISL8274M,9DBL08XX,ISL8024,ISL8025,8P391206,8P391208,8T49N285,8T49N286,ISL8018,8T49N287,8T49N2XX,8P391204,ISL91212A,ISL91212B,8P79818,9FGV1003,8T39S,9FGV1004,AISL80113,ISL8273M,9FGV1001,9FGV1002,AISL80111,5P8390X,RAA210833,8SLVP,8SLVPXXXX,VERSACLOCK3S,ISL8205M,8P34SXXXX,ISL80101A,AISL80121,ISL80111,5PB1110,ISL85403,ISL8240M,ISL85009,ZL9006M,ISL91211A,ISL91211B,ISL850XX,8T39SXX,9DBL07XX,ISL854XX,ISL80510,ISL85003,ISL8203,ISL80113,ISL80112,ISL85005,ISL91211B-BGA,ISL80505,8T49N24X,8V49NS0312,ISL91212,ISL91211,9FGL08XX,5PB11XX,9DBLXXXX,8V97XXX,ISL8022*,5PB1108,ISL91302B-BGA,5PB1106,5PB1104,ISL80103,5PB1102,ISL80102,ISL80101,9FGLXXXX,8SLVDXXXX,5L350XX,RAA210850,VERSACLOCK5,ZL9010M,ISL8270M,TCXO,9DBL02XX,ISL80XXX,ISL91302B,ISL80138,ISL80136,ISL80015,ISL80410,5P1105,9FGV100X,8T49N240,8V19N4XX,8T49N241,8T49N242,8L30XXX,RAA210925,8P791204,ISL8202M,8V49NS0412,ISL85415,ISL80121,DS1338,DS1339,ISL85418,5P350XX,DS1337,ISL8088*,8P791206,8P791208,ISL85012,ISL85014,ISL85410,ISL85413,ISL85412,5P1103,ZL9101M,ISL8225M,ISL8036*,RAA210870,8V19N470,8V79S6XX,5P49V69XX,8P34S,8SLVD,ISL80031,ISL80030,8A34013,8A34012,8V97053,8A34011,9DBL05XX,5X2503,8V97051,9DBL09XX,ISL8002,ISL8272M,9ZXLXXXX,9FGL02XX,8V4XNSXX12,RAA210825,8T49N28X,PROXO,ISL91211A-BGA,8V49NSXXXX,8V41NS0412,ISL8216M,ISL80020,VERSACLOCK® 6,5PB1XXX,5L1503,XA,8A340XX,ISL8016,ISL854102,ISL8271M,OCXO,XL,ISL8203M,ISL8215M,9DML04XX,5P49V6967,XU,5P49V6965,ISL91301

商品及供应商介绍 - RENESAS - 2019年01月14日 PDF 英文下载

5X1503 MicroClock Programmable Clock Generator

型号- 5X1503L,5X1503L-XXXNLGI,5X1503S-XXXNLGI8,5X1503S,5X1503,5X1503S-XXXNLGI,5X1503-XXXNLGI,5X1503-XXXNLGI8,5X1503L-XXXNLGI8

数据手册 - RENESAS - June 19, 2019 PDF 英文下载

【应用】基于TMR传感器的流量计，引入了自动抄表技术，提高了计量的可靠性

瑞萨电子（Renesas）推出基于TMR传感器的流量计，同大多数系统一样，水表在测量方式和精度上也在不断进步。这种变化的一个关键驱动因素是计量方法从机械传感器向电子传感器（如霍尔传感器或超声波传感器）的转变。瑞萨还开发了一种基于隧道磁阻 (TMR) 传感器的解决方案。

应用方案发布时间 : 2021-12-04

【应用】瑞萨推出带高性能CMOS传感器的IP摄像机应用方案，可实现4K超高清和快速自动对焦功能

瑞萨电子(Renesas)推出带高性能CMOS传感器的IP摄像机，随着安全系统越来越受到重视，IP摄像机现在拥有巨大的市场。传统IP摄像机采用固定焦距或对比检测自动对焦 (AF)，4K 超高清 (UHD) 和快速自动对焦 (AF) 也成为了必备功能。

应用方案发布时间 : 2022-01-04

5L1503 MicroClock Programmable Clock Generator

型号- 5L1503S,5L1503S-XXXNVGI,5L1503-XXXNVGI,5L1503,5L1503-XXXNVGI8,5L1503L-XXXNVGI,5L1503L-XXXNVGI8,5L1503L,5L1503S-XXXNVGI8

数据手册 - RENESAS - December 20, 2021 PDF 英文下载

【产品】采用3 PLL架构设计的可编程时钟发生器5L2503、5X2503，12-DFN小型封装

IDT（Renesas收购）推出的5L2503和5X2503是两款性能相近的可编程时钟发生器，均采用3 PLL架构设计，每个PLL均可单独编程，最多可支持3个独特的频率输出，适用于低功耗、消费类、可穿戴设备和智能设备等应用领域。

新产品发布时间 : 2019-04-04

【应用】搭载高性能CMOS传感器RAA462113FYL的IP摄像机解决方案，具有HDR和AF辅助功能

瑞萨IP摄像机解决方案搭载了RAA462113FYL 8M高敏感度，低噪声和低功耗的CMOS图像传感器，具有HDR（高动态范围）和AF辅助（自动聚焦辅助）功能，可在高对比度和可变范围内实现性能，同时支持MIPI-CSI2或SLVS输出格式，并支持60 fps（12位数字输出）。

应用方案发布时间 : 2020-05-30

DISTRIBUTER BIMONTHLY 20200707

型号- ISL9122A,ISL9001A,ISL62392C,R7F0C019/004,1338,ZSSC3XXX,RAA211410,R2A20XXX,XPP336A00.000000I,ISL97901,ISL91128,ISL91127,ISL3170E,PS2711-1,ISL85009,ISL95808,IDT1339,ISL29501,ΜPD720201,ISL6144,ISL85003,ISL85005,ISL68225,ISL68223,ISL88002IE26Z,ISL89164,3A4000,RAA214250,RV1S9353AX3,49V6967,RZ/G2E,5PB1104,ISL9301,ISL80101,READ2302,2S1P,RL78/L12,RL78/L13,RX23T,FT-2000,ISL99390,RL78/H1D,ISL83485,ISL9021A,ISL80410,ISL99360X3,5P49V5908B508,9BDL411B,R7F0C020,RV1S9160A,ISL8117A,NT96685T,RX23W,R1EX25512ATA00I,ISL97656,ISL85415,RAA491309,RX113,RAA491308,HA1630D06MM,ISL85410,ISL85413,RAJ240XXX,OB1203,RL78/G12,RL78/G13,RL78/G14,ISL9205D,ISL1208,RL78/G1D,RAA214220,ISL28213,RL78/G1H,RAA462113,ISL81401,ISL8272M,ISL68301,RJK0332H,ISL6146B,X60003,7816,RX24T,RX130,8A34002,ISL854102,RS780E,PS9821-1,ISL8203M,RAJ240090,ISL21080,ISL9111,ISL8022,RJK0332,RAA235100,RA6M1,RA6M3,ISL29125,ISL9116,ISL8024,ISL6752,R1EX24512BTAS0I,ISL3179E,ISL6754,ISL3034E,PS9031,BCR16FM,RAA214401,ISL673X,ISL61861B,RJK0328,ISL99360,RX66T,5P49V5908NDGI8,91127,R2A20114B,P9242,RJK03M5DNS,HIP2211FRTZ,ISL9123,RZ/T1,ISL9241,ISL32704E,ISL89410,HS3002,HS3003,ISL28023,HS3001,FS2012,RAJ240075,ISL9238,RAA228113,ISL28130,ISL85403,RL78/I1A,ISL3152,ISL80510,ISL94202,ISL80505,SB710,RAA223011,MS41908M,R9A02G011,ISL9021,RY7011,9DBL411,ISL8844,ISL94212,ISL317XE,BA6208F,ISL94216,UPC177G2,ISL9005A,5L1503L,ISL68127,ISL80015,ISL9122,SSD1306,ISL9307,RAA306400XGFP,ISL3232E,HIP2211,HIP2103,ISL8277M,ISL85403FRZ,ISL95521B,88E1512P,ISL29035,R1EX24032ATAS0I,ISL8023A,ISL28191FRUZ,PS2701A,ISL958XX,PS2911-1,ISL28291,ISL80030,RAA228228,ISL81801,ISL8120,ISL81487,RX/24T,ISL8014A,PS2561F-1,RX/23X,RJK0328L,HIP2211X3,RX/130,ZMOD4410,P9221,ISL89163FRTAZ,PS2801-1,ISL6742,ISL6744,ISL315XE,ISL8025A,ICL3221E,ISL4221E,RA4W1

培训文档-商品应用及供应商介绍 - RENESAS - JULY 2020 PDF 英文下载