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Section 3 DSP Operation
Rev. 4.00 Sep. 14, 2005 Page 142 of 982
REJ09B0023-0400
Control
LAB=MAB;
if ( Ms!=NLS && W/L is word access ) { /
*
MOVS.W
*
/
if (LS==load) {
if (Ds!=A0G && Ds!=A1G) {
Ds[31:16] = LDB[15:0]; Ds[15:0] = 0x0000;
if (Ds==A0) A0G[7:0] = sign-extension of LDB;
if (Ds==A1) A1G[7:0] = sign-extension of LDB;
}
else Ds[7:0] = LDB[7:0]; /
*
Ds is A0G or A1G
*
/
}
else { /
*
Store
*
/
if (Ds!=A0G && Ds!=A1G) LDB[15:0] = Ds[31:16];
/
*
Ds is A0G or A1G
*
/
else LDB[15:0] = Ds[7:0] with 8bit sign-extension;
}
}
else if ( MA!=NLS && W/L is long-word access ) { /
*
MOVS.L
*
/
if (LS==load) {
if (Ds!=A0G && Ds!=A1G) {
Ds[31:0] = LDB[31:0];
if (Ds==A0) A0G[7:0] = sign-extension of LDB;
if (Ds==A1) A1G[7:0] = sign-extension of LDB;
}
else Ds[7:0] = LDB[7:0]; /
*
Ds is A0G or A1G
*
/
}
else { /
*
Store
*
/
if (Ds!=A0G && Ds!=A1G) LDB[31:0] = Ds[31:0];
/
*
Ds is A0G or A1G
*
/
else LDB[31:0] = Ds[7:0] with 24bit sign-extension;
}
}
Содержание HD6417641
Страница 2: ...Rev 4 00 Sep 14 2005 Page ii of l...
Страница 7: ...Rev 4 00 Sep 14 2005 Page vii of l...
Страница 11: ...Rev 4 00 Sep 14 2005 Page xi of l USB Universal serial bus WDT Watch dog timer...
Страница 12: ...Rev 4 00 Sep 14 2005 Page xii of l...
Страница 28: ...Rev 4 00 Sep 14 2005 Page xxviii of l...
Страница 204: ...Section 4 Clock Pulse Generator CPG Rev 4 00 Sep 14 2005 Page 154 of 982 REJ09B0023 0400...
Страница 212: ...Section 5 Watchdog Timer WDT Rev 4 00 Sep 14 2005 Page 162 of 982 REJ09B0023 0400...
Страница 228: ...Section 6 Power Down Modes Rev 4 00 Sep 14 2005 Page 178 of 982 REJ09B0023 0400...
Страница 246: ...Section 8 X Y Memory Rev 4 00 Sep 14 2005 Page 196 of 982 REJ09B0023 0400...
Страница 318: ...Section 11 User Break Controller UBC Rev 4 00 Sep 14 2005 Page 268 of 982 REJ09B0023 0400...
Страница 454: ...Section 12 Bus State Controller BSC Rev 4 00 Sep 14 2005 Page 404 of 982 REJ09B0023 0400...
Страница 500: ...Section 13 Direct Memory Access Controller DMAC Rev 4 00 Sep 14 2005 Page 450 of 982 REJ09B0023 0400...
Страница 504: ...Section 14 U Memory Rev 4 00 Sep 14 2005 Page 454 of 982 REJ09B0023 0400...
Страница 566: ...Section 17 Compare Match Timer CMT Rev 4 00 Sep 14 2005 Page 516 of 982 REJ09B0023 0400...
Страница 734: ...Section 18 Multi Function Timer Pulse Unit MTU Rev 4 00 Sep 14 2005 Page 684 of 982 REJ09B0023 0400...
Страница 868: ...Section 21 A D Converter Rev 4 00 Sep 14 2005 Page 818 of 982 REJ09B0023 0400...
Страница 914: ...Section 23 I O Ports Rev 4 00 Sep 14 2005 Page 864 of 982 REJ09B0023 0400...
Страница 956: ...Section 24 List of Registers Rev 4 00 Sep 14 2005 Page 906 of 982 REJ09B0023 0400...
Страница 1016: ...Section 25 Electrical Characteristics Rev 4 00 Sep 14 2005 Page 966 of 982 REJ09B0023 0400...
Страница 1024: ...Appendix Rev 4 00 Sep 14 2005 Page 974 of 982 REJ09B0023 0400...
Страница 1032: ...Rev 4 00 Sep 14 2005 Page 982 of 982 REJ09B0023 0400 X X Y data addressing 52 X Y memory 193...
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Страница 1036: ...SH7641 Hardware Manual...