嵌入式基础考试题目

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1、DEVICESICAP-ELECCHIPRES100KDISC10N50VLED-BIRGLED-GREENLPC2106RES1、用PWM方式,使LED灯闪烁。^include"config,h"PWMMR6=2000；PWMMR0=1000：voidPwmTnit(void)；}PWMMR6：2000；intmain(void){return0；PWMLER=0x41；PINSEL0=0x00080000；}PWMPCR=0x4000；Pwmlnit()；voidPwmlnit(){PWMTCR二0x09；while(l){PWMPR=0x00；}PWWRO二4000

2、；PWMMCR二0x02；2、用定时器匹配后引脚翻转功能使比1）灯1秒闪烁一次。UI11XTAL1P0.0/TxD0/PWM1XTAL2PO.1/RxDO/PWWP0.2/SCUCAP0DP0.3/SDA

3、on23L.ED^GREEN■5162R23•lAL32T>d•<<14033ILc4)J17VorU.Zo/rlrcoIAIUmDHOzl/D1DCCTAT«13

4、4VorU.ZHrrlrcoIXI1P0.25/PIPESTAT238539KLV18rU.2O/TRACeSYNUP0.27/TRACEPKTOTRSTi/CQpnoq^tpar匚DizmrrRjiu8F439:131VO■U1iSzKL/1•IX1LV1iMiO101/CQDOOrt/TDAPCD1ZTO/TPI/□Zp4nr19VoorU.Zy/1nAUtrK1Z/1LK/qqpn口△「匚piZT5rrni15；7V%?O■U«

5、

6、・「丫Y■t丫(丫ttittt丫TOTCR=0x01；^include11config,h*^defineLED1«3void_irqlRQ_TimeO(){whilc((T0IR&0x01)==0)；T0IR=0x01；VICVectAddr=0x00；}voidTimeOlnit(){TOPR=99；TOMCR=0x03；TOMRO=110592/4；TOTCR=0x03；T0EMR=0X30；VlClntSelect=0x00；IOCLR=LED；TimeOlnit()；VICVectCntIO=0x24；while(l)；VICVectAddrO=(uint32)

7、IRQ.TimeO；return1；VIClntEnable=0x00000010；}}intmainO{P1NSEL0=0x00000080；3.上位机发送一个数字字符给下位机(F8),下位机接受到这个字符若为则点亮一盏灯，“2”点亮2盏灯“8”点亮8盏灯。U128143119743XTAL1XTAL2P0.0^xD0/PWM1P0.1/RXD0/PWM3P0.2/SCL/CAP0.0PO.3fSDAi«MAT0Dru.MfovrwuMru・iPO5/MISO/MAT0.1rv.O/MUQl/UArUxPO.7fSSEL/PWM2「56i八i/rKivirPO.Q^xD

8、VPWMOP0.10/RTS1/CAP1DP0.11/CTSVCAP1.1P0.12/DSR1/MAT1DPO13/DTR1/MAT1/IP0.140>CD1/EINT1PO15/RI1/EINT2P0.16/EINT0/MAT02P0.17/CAP1.2/TRSTP0.18