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N76E003开发笔记(关于使用N76E003过程遇到的问题)

void InitialUART0_Timer1(UINT32 u32Baudrate) //T1M = 1, SMOD = 1

{

SCON = 0x52; //UART0 Mode1,REN=1,TI=1

TMOD |= 0x20; //Timer1 Mode1

set_SMOD; //UART0 Double Rate Enable

set_T1M;

clr_BRCK; //Serial port 0 baud rate clock source = Timer1

#ifdef FOSC_160000

//TH1 = 256 - (1000000/u32Baudrate 1); /*16 MHz */

TH1 = 256 - (1036750/u32Baudrate 1); /*16.588 MHz */

//TH1 = 256 - (1037500/u32Baudrate 1); /*16.6 MHz */

#endif

#ifdef FOSC_221184

TH1 = 256 - (1382400/u32Baudrate); /*22.1184 MHz */

#endif

set_TR1;

}

void InitialUART1_Timer3(UINT32 u32Baudrate) //use timer3 as Baudrate generator

{

P02_Quasi_Mode; //Setting UART pin as Quasi mode for transmit

P16_Quasi_Mode; //Setting UART pin as Quasi mode for transmit

SCON_1 = 0x50; //UART1 Mode1,REN_1=1,TI_1=1

T3CON = 0x08; //T3PS2=0,T3PS1=0,T3PS0=0(Prescale=1), UART1 in MODE 1

clr_BRCK;

#ifdef FOSC_160000

//RH3 = HIBYTE(65536 - (1000000/u32Baudrate)-1); /*16 MHz */

//RL3 = LOBYTE(65536 - (1000000/u32Baudrate)-1); /*16 MHz */

RH3 = HIBYTE(65536 - (1037500/u32Baudrate)); /*16.6 MHz */

RL3 = LOBYTE(65536 - (1037500/u32Baudrate)); /*16.6 MHz */

#endif

#ifdef FOSC_166000

RH3 = HIBYTE(65536 - (1037500/u32Baudrate)); /*16.6 MHz */

RL3 = LOBYTE(65536 - (1037500/u32Baudrate)); /*16.6 MHz */

#endif

set_TR3; //Trigger Timer3

}

标签: e003公母对接连接器

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