📄 mcu对vs1011或vs1003 的控制过程（中文编译） (ourdev_cn 我们的电子开发社区).mht
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Date: Fri, 4 Jan 2008 15:58:08 +0800
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color=3D#ffffff>=BB=D8=B8=B4=CA=FD=A3=BA</FONT><FONT =
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<TD class=3Df03=20
style=3D"BORDER-RIGHT: #ffffff 0.5pt solid; BORDER-TOP: #ffffff =
0.5pt solid; BORDER-LEFT: #bbbbbb 0.5pt solid; BORDER-BOTTOM: #ffffff =
0.5pt solid"=20
vAlign=3Dtop align=3Dleft width=3D"19%" bgColor=3D#d1d9e2 =
rowSpan=3D2>=A1=BE=C2=A5=D6=F7=CE=BB=A1=BF <FONT=20
color=3D#000000>osliu </FONT><BR>=BB=FD=B7=D6=A3=BA<FONT=20
color=3D#000000>58</FONT><BR>=C5=C9=B1=F0=A3=BA<FONT =
color=3D#000000></FONT><BR>=B5=C8=BC=B6=A3=BA<FONT=20
color=3D#000000>------</FONT><BR>=C0=B4=D7=D4=A3=BA<FONT =
color=3D#000000></FONT><BR></TD>
<TD class=3Df03=20
style=3D"BORDER-RIGHT: #bbbbbb 0.5pt solid; BORDER-TOP: #ffffff =
0.5pt solid; BORDER-LEFT: medium none; BORDER-BOTTOM: medium none"=20
vAlign=3Dtop width=3D"81%" bgColor=3D#d1d9e2><FONT=20
=
color=3D#000000>=D2=D4=CF=C2=C3=E8=CA=F6=C8=E7=BA=CE=CA=CA=B5=B1=B5=D8=C6=
=F4=B6=AFVS1011/VS1003d=A3=AC=D2=D4=BC=B0=B2=A5=B7=C5=B8=E8=C7=FA =
<BR>1=A1=A2=CA=CA=B5=B1=B5=D8=C6=F4=B6=AF=A3=BB <BR><BR><A=20
=
href=3D"http://www.ourdev.cn/bbs/bbs_upload19801/files_5/armok01112746.gi=
f"=20
target=3D_blank><IMG=20
=
src=3D"http://www.ourdev.cn/bbs/bbs_upload19801/files_5/armok01112746.gif=
"=20
border=3D0></A>=20
=
<BR> =CD=BC1 VS1011/VS1002d=
=D5=FD=C8=B7=C6=F4=B6=AF=C1=AC=BD=D3=20
=
<BR><BR>=CD=BC1=CF=D4=CA=BE=C1=CB=D5=FD=C8=B7=C1=AC=BD=D3VS1011/Vs1002d=C6=
=F4=B6=AF=CF=DF=C2=B7=CA=BE=D2=E2=A3=AC=CB=FC=C4=DC=BC=F5=C9=D9=C6=F4=B6=AF=
=B9=D8=BB=FA=CA=B1=B6=D4=B6=FA=BB=FA=CA=E4=B3=F6=B5=C4=CB=B2=CC=AC=B3=E5=BB=
=F7=A1=A3 <BR>=CD=A8=B5=E7=C6=F4=B6=AF=20
=
<BR>=A1=F1 =CF=B5=CD=B3=CD=A8=B5=E7=A3=AC=CF=C2=C0=AD=B5=E7=D7=E8100=
K=B2=CE=D3=EB=BC=A4=BB=EExRESET=A1=A3=20
=
<BR>=A1=F1 =C6=F4=B6=AF=BA=F3=B5=C8=B4=FD10ms=A3=AC=C9=E8MCU=B5=C4GP=
IO=BF=DA=CE=AA=D0=C5=BA=C5=CA=E4=B3=F6=B2=A2=D6=C3=CE=AA1=A3=ACVS1011/VS1=
002d=BC=B4=BD=AB=C6=F4=B6=AF=A1=A3=20
=
<BR>=A1=F1 =D4=DADREQ=BC=A4=BB=EE=BA=F3=A3=AC=BE=CD=BF=C9=D2=D4=B6=D4=
VS1011/VS1002d=CA=E4=CB=CD=C3=FC=C1=EE=BA=CD=CA=FD=BE=DD=A1=A3 =
<BR>=D0=B6=B3=FD=B9=A9=B5=E7=20
=
<BR>=A1=F1 xRESET=BD=C5=B1=BB=BD=E2=B3=FD=D3=A6=D3=C3=D6=C1=C9=D9100=
ms=BA=F3=A3=AC=B7=BD=C4=DC=D7=F6=B4=CB=B2=BD=A1=A3=20
=
<BR>=A1=F1 =CD=A8=B9=FD=B2=D9=D7=F7=D2=D4=CF=C2=B7=C2C=D3=EF=D1=D4=B5=
=C4=B2=D9=D7=F7=A3=AC=CA=B5=CF=D6SS_APDOWN2=B9=A6=C4=DC =A3=AC=20
=
<BR>WriteSPI(SPI_ STATUS, ReadSPI(SPI STATUS)| (1<=
<SS_APDOWN2))=A3=BB=20
=
<BR>=A3=A8=B9=D8=D3=DASS_APDOWN2=A3=AC=B4=CB=CE=AA=D7=B4=CC=AC=BC=C4=B4=E6=
=C6=F7SCI_STATUS=D6=D0=B5=DA3=CE=BB=A3=AC=B9=D8=BA=F5=C4=A3=C4=E2=C7=FD=B6=
=AF=C6=F7=B5=E7=D4=B4=D0=B6=D4=D8=D0=A7=B9=FB=A3=AC=D3=C9=CF=B5=CD=B3=B9=CC=
=BC=FE=BF=D8=D6=C6=A1=A3=CE=AA=B7=C0=D6=B9=D0=B6=B5=E7=CA=B1=CB=B2=CC=AC=B3=
=E5=BB=F7=A3=AC=C9=E8=B4=CB=CE=BB=CE=AA1=A3=AC=D6=AE=BA=F3=B5=C8=B4=FD=BC=
=B8=BA=C1=C3=EB=B2=C5=BF=C9=D6=D8=C6=F4=B2=D9=D7=F7=A1=A3=A3=A9=20
=
<BR>=A1=F1 =B5=C8=B4=FD10 ms=BB=F2=B8=FC=B6=E0=CA=B1=BC=E4=A1=A3=
<BR>=A1=F1 =BC=A4=BB=EExRESET=A1=A3=20
=
<BR>=A1=F1 =CA=B5=CF=D6VS1011/VS1002d=B5=C4=D0=B6=B5=E7=B9=A6=C4=DC=A1=
=A3 <BR>2=A1=A2=C0=AD=B5=CDxRESET=A3=BB =
<BR>3=A1=A2=B5=C8=B4=FDDREQ=C9=CF=C9=FD=CE=AA1=A3=BB=20
=
<BR>4=A1=A2=D0=B4=BC=C4=B4=E6=C6=F7MODE=B5=C4=B2=CE=CA=FD=A3=AC=B0=FC=C0=A8=
=D5=FD=C8=B7=C9=E8=D6=C3SM_SDINEW=BA=CDSM_SDISHARED=CE=BB=A3=BB=20
=
<BR>5=A1=A2=C8=F4=CA=B1=D6=D3=CA=FD=C2=CA=B7=C724.576MHz=A3=AC=D3=A6=C9=E8=
=D6=C3SCI_CLOCKF=A3=BB=20
=
<BR>6=A1=A2=C8=F4=CA=B9=D3=C3=B1=B6=C6=B5=CA=B1=D6=D3=A3=AC=CA=D4=CD=BC=CD=
=A8=B9=FD=B8=C4=B1=E4SCI_CLOCKF=D6=B1=BD=D3=B2=D9=D7=F7=A3=AC=D3=A6=BD=AB=
=CA=CA=B5=B1=B5=C4=B2=C9=D1=F9=CB=D9=C2=CA=D0=B4=C8=EBSCI_AUDATA=BC=C4=B4=
=E6=C6=F7=A3=AC=B5=C8=B4=FD=D6=C1=C9=D911000=B8=F6=CA=B1=D6=D3=BA=F3=B2=C5=
=BF=C9=D2=D4=B2=D9=D7=F7=B8=DF=CB=D9=B5=C4SPI=CD=A8=D1=B6=A3=BB=20
<BR>=A3=A8 =
<BR>=B1=B6=C6=B5=CA=B1=D6=D3=B5=C4=B2=D9=D7=F7=CF=B8=BD=DA=A3=BA =
<BR>Highest SPI Speed=20
=
<BR>If VS1011 or VS1002d is used without&nb=
sp;a clock doubler, the maximum SPI speed&n=
bsp;is 1/6 of the internal clock speed =
;CLKI, which is also the input clock f=
requency XTALI. If, for instance, the nomin=
al 24.576MHz clock is used, the maximum&nbs=
p;SPI speed is 24.576MHz/6=3D4.096MHz , which&nb=
sp;is slightly over 4 MHz.However, if a&nbs=
p;low-frequency external clock is used, and =
;the clock-doubler is to be activated, two&=
nbsp;initial register writes must be done t=
o get the clock-doubler activated. Before t=
hat the maximum clock speed isXTALI/6 ,&nbs=
p;which with a nominal 12.288 MHz clock&nbs=
p;is slightly over 2 MHz.=20
=
<BR>The following register write example is =
;assuming a 12.288 MHz external clock:=20
=
<BR>1. After a software or hardware reset,&=
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