【产品】支持半双工收发自动切换的双串口芯片CH432,通讯波特率最高达4Mbps
沁恒推出的CH432是双UART芯片(双串口芯片),包含两个兼容16C550的异步串口,支持半双工收发自动切换和IrDA红外编解码,支持最高4Mbps的通讯波特率,可以用于单片机/嵌入式系统的RS23串口扩展、带自动硬件速率控制的高速串口、RS485通讯、IrDA通讯等。下图为其一般应用框图。
特点
1、完全独立的两个异步串口,兼容16C450、16C550 及16C552并且有所增强。
2、支持5、6、7 或者8个数据位以及1或者2个停止位。
3、支持奇、偶、无校验、空白0、标志1等校验方式。
4、可编程通讯波特率,支持115200bps以及最高达4Mbps的通讯波特率。
5、内置16字节的FIFO先进先出缓冲器,支持4个FIFO触发级。
6、支持MODEM调制解调器信号CTS、DSR、RI、DCD、DTR、RTS,可由75232芯片转成RS232电平。
7、支持硬件流控制信号CTS 和RTS自动握手和自动传输速率控制,兼容TL16C550C。
8、支持串口帧错误检测、支持Break线路间隔检测。
9、支持全双工和半双工串口通讯,提供RTS串口发送状态信号支持RS485 收发自动切换。
10、内置SIR红外线编解码器,支持2400bps到115200bps波特率的IrDA红外通讯。
11、内置时钟振荡器,支持频率范围0.9216MHz~32MHz的晶体,默认使用22.1184MHz晶体。
12、可选两种单片机接口:10MB速度的8位被动并行接口和3MB/24MHz速度的SPI串行接口。
13、并行接口包含8位数据总线,4位地址,3线控制:片选输入、写选通以及可选的读选通。
14、SPI串行接口包含SPI 片选、串行时钟、串行输入和输出,并且SPI输出与输入可以并联。
15、中断输出引脚是可选连接,低电平有效,可以通过查询寄存器中的中断标志位代替。
16、支持5V或者3.3V电源电压,支持串口低功耗睡眠模式。
17、提供QFP-44 和SSOP-20两种无铅封装,兼容RoHS。
封装
引脚
一般说明
CH432T芯片采用SSOP-20 封装,是QFP-44 封装的CH432Q 芯片的简装版,两者相同名称的引脚具有相同的功能。下表中直接列出的引脚号适用于QFP-44 封装,而括号中的引脚号适用于SSOP-20封装,表中标为灰色的引脚是对双功能引脚的重新定义。
电源和系统信号线
本地接口信号线
串口0信号线
串口1信号线
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本文由Topaz转载自沁恒,原文标题为:双串口芯片CH432,本站所有转载文章系出于传递更多信息之目的,且明确注明来源,不希望被转载的媒体或个人可与我们联系,我们将立即进行删除处理。
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型号- CH32V103C6T6,CH32F103VCT6,CH32F205RBT6,CH32V103VBT6,CH370,CH251,CH372,CH132,CH374,CH252,CH376,CH375,CH378,CH32V107RCT6,CH32V208WBU6,CH32V403CBT6,CH32V003J4M6,CH32F103C6T6,CH382,CH384,CH32V305WBU6,CH237,CH358,CH32F107RCT6,CH236,CH357,CH32F103C8U6,CH238,CH359,CH32L103J4M6,CH32V103VCT6,CH590,CH350,CH471,CH592,CH591,CH231,CH352,CH351,CH472,CH593,CH233,CH354,CH232,CH353,CH235,CH356,CH234,CH355,CH248,CH247,CH368,CH249,CH32V107RBT6,CH32V203G6U6,CH482,CH360,CH481,CH242,CH484,CH241,CH483,CH244,CH365,CH486,CH122,CH243,CH364,CH246,CH367,CH245,CH366,CH457,CH578,CH3232,CH335,CH456,CH577,CH32V303VCT6,CH217,CH338,CH459,CH337,CH458,CH579,CH334U,CH339,CH32V003A4M6,CH32V405RBT6,CH570,CH330,CH451,CH572,CH450,CH571,CH332,CH453,CH574,CH331,CH452,CH573,CH213,CH334,CH455,CH576,CH454,CH575,CH226,CH347,CH225,CH228,CH227,CH348,CH32V403G6U6,CH32V407VCT6,CH32L103G6U6,CH581,CH341,CH462,CH583,CH340,CH582,CH32F208WBU6,CH343,CH464,CH221,CH342,CH463,CH224,CH345,CH344,CH465,CH314,CH556,CH313,CH555,CH316,CH558,CH315,CH557,CH318,CH317,CH438,CH559,CH319,CH32L103F4U6,CH32F103VBT6,CH552,CH32L103FBP6,CH551,CH312,CH554,CH311,CH432,CH553,CH446,CH567,CH445,CH448,CH569,CH447,CH568,CH449,CH32F207VCT6,CH440,CH561,CH321,CH442,CH563,CH441,CH562,CH323,CH444,CH565,CH322,CH443,CH564,CH413,CH534,CH412,CH533,CH536,CH538,CH537,CH539,CH32V103R8T6,CH9936,CH9937,CH32V203F8U6,CH32V403C6T6,CH530,CH32V203G8R6,CH411,CH532,CH410,CH531,CH424,CH545,CH423,CH544,CH547,CH546,CH549,CH548,CH32F103R8T6,CH32V403F8P6,CH32V407RCT6,CH541,CH32L103CBT6,CH540,CH422,CH543,CH421,CH542,CH633,CH632,CH635,CH32V003F4P6,CH634,CH516,CH637,CH636,CH639,CH638,CH32L103F4P6,CH32V307RCT6,CH32L103CBU6,CH631,CH32V203G8P6,CH523,CH522,CH643,CH525,CH524,CH527,CH526,CH529,CH528,CH32V203F6P6,CH521,CH642,CH520,CH641,CH32F107RBT6,CH32F203CBT6,CH32V105RBT6,CH32V103R6T6,CH32V403G8P6,CH622,CH621,CH32V003F4U6,CH32F103R6T6,CH32F105RCT6,CH32V403F6P6,CH32L103G8P6,CH32V105RCT6,CH32V403F8U6,CH32V403G8R6,CH32V303CBT6,DM7407,CH32L103F8U6,CH32V305FBP6,CH32L103F6P6,CH32V405FBP6,CH32L103G8R6,CH32V403K6T6,CH9415,CH9413,CH9414,CH9412,CH32F107VBT6,CH8572,CH8571,CH32F203C8T6,CH8570,CH9884,CH32V208RBT6,CH32L103C6T6,CH32V305RBT6,CH9516,CH9514,CH9515,CH9512,CH9513,CH9511,CH32V208GBU6,CH32L103F8P6,CH9882,CH32V203C8T6,CH9626,CH9627,CH9624,CH9625,CH9622,CH9623,CH32F105RBT6,CH9628,CH9629,CH32F203C8U6,CH32V203C8U6,CH9578,CH9576,CH9577,CH32V405WBU6,CH32V403C8T6,CH32F103RCT6,CH32V103RBT6,CH9100,CH9342,CH32F203C6T6,CH9341,CH9102,CH9344,CH9101,CH9343,CH9463,CH9340,CH9328,CH9327,CH9569,CH9329,CH9326,CH9565,CH9325,CH9445,CH9566,CH32V107VCT6,CH32L103C8T6,CH32V403C8U6,CH32F208RBT6,CH9331,CH9574,CH9330,CH9575,CH9573,CH32F203VCT6,CH9317,CH9318,CH9438,CH9435,CH9436,CH9315,CH9433,CH9434,CH32F107VCT6,CH32L103C8U6,CH32V103RCT6,CH9320,CH32V203C6T6,CH32V307VCT6,CH9426,CH32V107VBT6,CH32V403VCT6,CH9431,CH9552,CH9432,CH32V203F8P6,CH32V303RCT6,CH32L103K6T6,CH32F203K8T6,CH9144,CH32L103A4M6,CH9143,CH9145,CH9140,CH9142,CH9141,CH9126,CH32V407WCU6,CH32F105VCT6,CH32F203RCT6,CH9375,CH9374,CH9371,CH9370,CH9373,CH9130,CH9372,CH32V303RBT6,CH32F103RBT6,CH32V203K8T6,CH9122,CH9121,CH9120,CH32V307WCU6,CH9104,CH9346,CH9103,CH9345,CH32V403RCT6,CH32F203RBT6,CH9232,CH9110,CH9234,CH9230,CH9350,CH32V203RBT6,CH32V103C8T6,CH32V403K8T6,CH32L103K8T6,CH32F103C8T6,CH32V403RBT6,CH32V103C8U6,CH32V105VCT6,CH181,CH183,CH182,CH32V208CBU6,CH390,CH392,CH32V203K6T6,CH394,CH9165,CH396,CH395,CH32L103GBU6,CH398,CH397,CH9161,CH32F105VBT6,CH32V105VBT6,CH9397,CH9150,CH9153,CH9152
【应用】支持半双工的双串口芯片CH432T用在光储一体机中,通讯波特率最高可达4Mbps
在用户储能设备中,需要温度传感器,无线通信模块等外部功能模块来完成整体的功能实现。但是外部的功能模块太多,会出现主控芯片接口资源不够的问题。针对这个问题,可用沁恒的双串口芯片CH432T来解决,可以拓展UART资源。
应用方案 发布时间 : 2023-06-21
CH375B REACH (SGS)测试报告 (SZXEC1900938802)
型号- CH451L,CH9415,CH9413,CH9414,CH9412,CH451S,CH370,CH452A,CH372,CH374,CH376,CH375,CH378,CH9884,CH382,CH384,CH358,CH9516,CH357,CH236,CH9514,CH359,CH9515,CH9512,CH9513,CH9511,CH350,CH471,CH9882,CH352,CH231,CH351,CH472,CH354,CH233,CH353,CH232,CH356,CH235,CH355,CH234,CH9626,CH368,CH9627,CH9624,CH9625,CH9622,CH9623,CH9628,CH9629,CH360,CH242,CH241,CH365,CH244,CH364,CH243,CH367,CH246,CH366,CH245,CH457,CH578,CH3232,CH456,CH577,CH459,CH337,CH458,CH579,CH339,CH9100,CH9342,CH330,CH572,CH9344,CH450,CH571,CH9343,CH9463,CH453,CH574,CH331,CH573,CH455,CH576,CH9340,CH454,CH575,CH9328,CH9327,CH9329,CH9326,CH9565,CH9325,CH9331,CH9330,CH341,CH462,CH340,CH464,CH463,CH345,CH465,CH314,CH556,CH9317,CH555,CH316,CH558,CH315,CH557,CH9318,CH9438,CH318,CH9435,CH317,CH438,CH559,CH9436,CH9433,CH319,CH9434,CH9320,CH552,CH551,CH312,CH554,CH311,CH432,CH553,CH446,CH567,CH445,CH566,CH448,CH9426,CH447,CH452L,CH568,CH449,CH9431,CH9432,CH440,CH561,CH442,CH563,CH441,CH562,CH444,CH565,CH443,CH564,CH413,CH534,CH412,CH533,CH536,CH538,CH537,CH9936,CH9937,CH9144,CH9143,CH9145,CH530,CH411,CH532,CH9142,CH531,CH9141,CH424,CH545,CH423,CH544,CH547,CH546,CH549,CH9126,CH548,CH9375,CH9374,CH541,CH9371,CH540,CH9370,CH422,CH543,CH9373,CH421,CH542,CH9130,CH9372,CH633,CH632,CH635,CH634,CH637,CH636,CH639,CH638,CH9122,CH9121,CH9120,CH631,CH523,CH522,CH525,CH524,CH527,CH526,CH9345,CH529,CH528,CH9232,CH9110,CH9234,CH521,CH9230,CH9350,CH375B,DM7407,CH392,CH9165,CH395,CH9161,CH9397,CH9150
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