📄 twi读写时钟芯片pcf8583范例 (ourdev_cn 我们的电子开发社区).mht
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rowSpan=3D2>=A1=BE=C2=A5=D6=F7=CE=BB=A1=BF <FONT=20
color=3D#000000>hushenghong </FONT><BR><IMG height=3D89=20
=
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492.JPG"=20
width=3D119><BR>=BB=FD=B7=D6=A3=BA<FONT =
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color=3D#000000></FONT><BR>=B5=C8=BC=B6=A3=BA<FONT =
color=3D#000000>------</FONT><BR>=C0=B4=D7=D4=A3=BA<FONT=20
color=3D#000000>=C9=CF=BA=A3 </FONT><BR></TD>
<TD class=3Df03=20
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vAlign=3Dtop width=3D"81%" bgColor=3D#d1d9e2><FONT=20
color=3D#000000>/*******************************************/=20
=
<BR>/* &=
nbsp; =D3=B2=BC=FEI2C=D7=DC=CF=DF=D1=DD=CA=BE=B3=CC=D0=F2 =
; */=20
=
<BR>/* &=
nbsp; 2007=C4=EA11=D4=C212=C8=D5 =
*/=20
=
<BR>/* =C4=BF=B1=EAMCU:MEGA64 =BE=A7=D5=
=F1:20MHZ */=20
<BR>/*******************************************/=20
<BR>#include <ioavr.h> <BR>#include"TWI6.H"=20
<BR>#include "void_main.h" =
<BR>#define rd_device_add 0xa1=20
<BR>#define wr_device_add 0xa0=20
=
<BR>//extern const unsigned char seg_table[16];=20
<BR>//extern unsigned char led_buff[4];=20
<BR>//extern void delay_ms(unsigned int time); =
<BR>//extern void display(void);=20
<BR>/******************************************=20
=
<BR> &nb=
sp; I2C=D7=DC=CF=DF=D0=B4=D2=BB=B8=F6=D7=D6=BD=DA=20
=
<BR> &nb=
sp; &nbs=
p; =B7=B5=BB=D80:=D0=B4=B3=C9=B9=A6=20
=
<BR> &nb=
sp; &nbs=
p; =B7=B5=BB=D8=B7=C70:=D0=
=B4=CA=A7=B0=DC=20
<BR>*******************************************/=20
=
<BR>unsigned char wr_ram(unsigned char address, =
unsigned char num, unsigned char *ppc)=20
=
<BR>//unsigned char i2c_Write(unsigned char *Wdata,un=
signed char RomAddress ,unsigned char twx)=20
=
<BR>{ char i;=20
=
<BR> Start();/=
/I2C=C6=F4=B6=AF=20
=
<BR> Wait();=20
=
<BR> if(TestAc=
k()!=3DSTART) return 1;//ACK=20
=
<BR> Write8Bit=
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