LT-1B-MSP430F149完整原理图

自文档归原著所有LT-1BMSP430F149学习板原理图技术文档说明：自文档归原著所有，但原理图部分有本人自己画图所得，将原著分开的文档画在一个工作区内，方便查阅。MSP430F149学习板特点选用16位超低功耗单片机MSP430F149，此MCU的特点如下：l1.8V～3.6V超宽供电电压l5种低功耗模式，从standby模式唤醒时间小于6μsl0.1uARAM保持l0.8uA实时时钟模式l2KRAM，60KB+256BFlashMemory（支持IAP）l片内硬件乘法器支持四种乘法运算l两个具有PWM输出单元的16-Bit定时器（TimerA3，TimerB7）l两个UART接口，两个SPI接口（与UART复用）l一个8通道12-Bit模数转换器(ADC)，具有片内参考电压源l一个模拟比较器，看门狗电路等开发板上功能全面、板上资源丰富：¾三种可选供电方式（标准稳压器接口、USB接口、电池接口）¾一个8-Bit双向电平转换接口（5V--3.3V,3.3V--5V）¾一个兼容USB2.0规范、符合USB1.1规范的标准USB接口¾一个标准的六芯PS2接口¾一个符合原厂标准的JTAG仿真调试端口¾一个蜂鸣器¾一个射频通信模块接口¾一个12-Bit高精度温度传感器¾一个8路12-Bit模数转换器（ADC）接口¾一个标准的1602液晶接口¾一个标准的12864液晶接口¾一个六位共阴极动态扫描数码管电路¾一个可更换的CPU适配器¾一个RTC实时时钟+纽扣电池¾一个存储容量为256×8-Bit的EEPROM¾一个单路输出8-Bit数模转换器（DAC）¾一个4×4的矩阵式键盘¾一个4×1的独立式按键（与4×4的矩阵式键盘复用）¾一个标准的RS232接口¾一个简易的RS485接口¾一个含8个LED的流水灯电路（红、黄、绿）¾MCU的全部IO都用插针引出，便于二次开发提供电源指示灯和上电自动复位、手动复位电路，全SMD设计、系统稳定可靠。母板上主要集成了RS232接口、RS485接口、USB接口、PS2接口、RF模块接口、1602液晶接口、12864液晶接口、ADC接口、3.3-5V双向电压转换接口、EEPROM、DAC、实时时钟、温度传感器、蜂鸣器、数码管、4×4键盘、流水灯等电路（见图1.1），囊括了几乎所有的常用接口和应用电路，适合有志于学习电子技术的广大朋友开发之用。1122334455667788DDCCBBAATitleNumberRevisionSizeA3Date:2010-7-17SheetofFile:C:\DocumentsandSettings\..\LT-1B-430.SchDocDrawnBy:Vout1GND2VDD3SDA4SCK5A06U2DAC5571123J1C10.1uFVCCP6.1D9REDR1100P1.0P1.1DACE1L11D02D13D24D35D46D57D68D79Q712Q613Q514Q415Q316Q217Q118Q019GND10VCC20U174HC573/0E4P2.0P2.1P2.2P2.3P2.4P2.5P2.6P2.7D1RedD2YellowD3greenD4RedD5yellowD6greenD7RedD8yellow123456789RP1331排阻VCCVCC流水灯RST/NMI58VEREF+10VREF+7VREF-11XIN8XOUT/TCLK9XT2IN53XT2OUT52TCLK57TDI55TDO/TDI54TMS56AVCC64AVSS62DVSS63P4.0/TB036P4.1/TB137P4.2/TB238P4.3/TB339P4.3/TB440P4.5/TB541P4.6/TB642P4.7/TBCLK43P6.0/A059P6.1/A160P6.2/A261P6.3/A32P6.4/A43P6.5/A54P6.6/A65P6.7/A76P2.0/ACLK20P2.1/TACLK21P2.2/CAOUT22P2.3/CA023P2.4/CA124P2.5/ROSC25P2.6/ADCLK26P2.7/TA027P1.0/TACLK12P1.1/TA013P1.2/TA114P1.3/TA215P1.4/SMCLK16P1.5/TA017P1.6/TA118P1.7/TA219P5.0/STE144P5.1/SIMO145P5.2/SOMI146P5.3/UCLK147P5.4/MCLK48P5.5/SMCLK49P5.6/ACLK50P5.6/TH51P3.0/STE028P3.1/SIMO029P3.2/SOMI030P3.3/ULCK031P3.4/UTXD032P3.5/URXD033P3.6/UTXD134P3.7URXD135MSP430F149DVCC1U7MSP430F1XXS1REST1KR5100KR40.1uFC4RSTVeREF+VREF+VREF-X232.768KTCKTDITDOTMSX38MC1133pFC1233pFAVSSGNDP4.0P4.1P4.2P4.3P4.4P4.5P4.6P4.7P6.0P6.1P6.2P6.3P6.4P6.5P6.6P6.7P2.0P2.1P2.2P2.3P2.4P2.5P2.6P2.7P1.0P1.1P1.2P1.3P1.4P1.5P1.6P1.7P3.0P3.1P3.2P3.3P3.4P3.5P3.6P3.7P5.0P5.1P5.2P5.3P5.4P5.5P5.6P5.7C50.1uFC610uFDVCCGNDC70.1uFC810uFAVCCAVSSC90.1uFC1010uFVeREF+AVSSC130.1uFC1410uFVREF+AVSSC150.1uFC1610uFVREF-GNDGNDADC123P5VREF-AVSSVeREF+VCCP6.0AVSSR710KR6000AVSSGND12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152P2IOVCCVCCP1.0P1.1P1.2P1.3P1.4P1.5P1.6P1.7P2.0P2.1P2.2P2.3P2.4P2.5P2.6P2.7P3.0P3.1P3.2P3.3P3.4P3.5P3.6P3.7P4.0P4.1P4.2P4.3P4.4P4.5P4.6P4.7P5.0P5.1P5.2P5.3P5.4P5.5P5.6P5.7P6.0P6.1P6.2P6.3P6.4P6.5P6.6P6.7IO口1234567891011121314P1VCCTDOTDITMSTCKGNDRSTJATAA01A12A23GND4SDA5SCL6WP7VCC8U4AT24C16C20.1uFVCCP1.2P1.3ADC采样EEPROM1122U3BUZZERP6.7R2472Q1PNP蜂鸣器X12X23VCC21GND4RST5I/O6SCLK7VCC18U5DS1302X132.768KB13V0.1uFC3VCC时钟P2.6P2.5P2.7VDD3I/O2GND1U6DS18B20R34.7KVCCP2.4温度传感器1310118129147C1+1C2+4GND15C1-3VCC16C2-5V-6V+2U8MAX3232ESE0.1uFC17VCC0.1uFC180.1uFC201234567891011121314151716P4DB9D11yellowA1K2D10greenP3.4P3.5RS232R1RE2DE3D4GND5A6B7VDD8U9MAX3085VCCR1012P3Header2P3.3P3.6P3.7RS485D01D12D23D34D46D57D68D79CS_N11SUSPEND12CLKOUT13INT_N14ALE10GND5VCC24RD_N15WR_N16DMREQ17DMACK_N18EOT_N19REST_N20GL_N21XTAL122XTAL223D-25D+26Vout3.327AO28U10PDIUSBD121234P6USBGNDD+D-VCCL1S2SW-PB0.1uFC240.01uFC23VCCP2.1P2.0VCC472R191K472472R211MR22P2.2VCCR13181%R14181%R11501R12501X46M1uFC25D12green331R18VCC22pFC2122pFC22VCC5VCCP5.0P5.1P5.2P5.3P5.4P5.5P5.6P5.7CLKOUT472R15472R16472R17VCC12J3P1.512J2P2.4USB12345678P12Header8HPVCCRSSIPALEPDATAPCLKDCLKDIOPGNDVCCRF射频电路QB1QC2QD3QE4QF5QG6QH7GND8QH'9SRCLR10SRCLR11RCLR12OE13SER14QA15VCC16U11SN74LV595A/OE6/OE5/OE4/OE3/OE2DIR/OE10.1uFC26VCCP3.6P3.3P3.7VCCOE174LVC4245，电平转换芯片DIR74LVC4245，0：3.3--5，1：5--3.3OE274HC573，数码管段选OE374HC573，数码管位选OE474HC573，流水灯OE5LCD12864OE6LCD128641--0--逻辑控制器功能选择DIR2B121B220B319B418B517B616B715B814GND11GND12GND13VCC3.323VCC3.324VCC51A79A810A13A24A35A46A57A68OE22U12SN74LVC4245DIRP5.0P5.1P5.2P5.3P5.4P5.5P5.6/OE1123J4P1.7P5.72--3：电平转换1--2：键盘控制12345678910P7插针VCC50.1uFC270.1uFC28VCCCLKDATAVCC123P10VIN3GND1Vout2U13ASM1117-3.30.1uFC300.1uFC3147uFC29VCC5D13yellow12P13331R23VCCK1K5K9K13K2K6K10K14K3K7K11K15K4K8K12K16R245.1KR255.1KR265.1KR27P1.4P1.5P1.6P1.7P1.0P1.1P1.2P1.3VCC矩阵键盘OE1D02D13D24D35D46D57D68D79GND10LE11Q712Q613Q514Q415Q316Q217Q118Q019VDD20U14MC74HC573ANVSS1VCC2VEE3RS4R/W5EN6D07D18D29D310D411D512D613D714VCC15VSS16P8LCD1602VSS1VCC2VO3RS4R/W5EN6D07D18D29D310D411D512D613D714PSB15NC16REF17NC18LED119LED220P9LCD12864R291KR281KVCCVEEVOVEEVOVCC/OE5/OE6VCCLCD液晶电平转换DATA1RES2GND3VCC4CLK5RES6PS2DATACLKVCC5PS2键盘C11a2f3C24C35b6NC7g8c9dp.10d11e12LED1OE1D02D13D24D35D46D57D68D79GND10LE11Q712Q613Q514Q415Q316Q217Q118Q019VDD20U15MC74HC573ANVCCVCCP4.0P4.1P4.2P4.3P4.4P4.5P4.6P4.7abcdefgdpP5.0P5.1P5.2P5.3P5.4P5.5C1C2C3C4C5C6C1afC2C3bNCgcdpdeC11a2f3C24C35b6NC7g8c9dp.10d11e12LED2C4afC5C6bNCg