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DSP56303 数据表(PDF) 237 Page - Freescale Semiconductor, Inc |
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DSP56303 数据表(HTML) 237 Page - Freescale Semiconductor, Inc |
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237 / 292 page  Direct Memory Access (DMA) Equates DSP56303 User’s Manual, Rev. 2 Freescale Semiconductor A-15 M_TLR2 EQU $FFFF86 ; TIMER2 Load Reg M_TCPR2 EQU $FFFF85 ; TIMER2 Compare Register M_TCR2 EQU $FFFF84 ; TIMER2 Count Register M_TPLR EQU $FFFF83 ; TIMER Prescaler Load Register M_TPCR EQU $FFFF82 ; TIMER Prescaler Count Register ; Timer Control/Status Register Bit Flags M_TE EQU 0 ; Timer Enable M_TOIE EQU 1 ; Timer Overflow Interrupt Enable M_TCIE EQU 2 ; Timer Compare Interrupt Enable M_TC EQU $F0 ; Timer Control Mask TC(3:0) M_INV EQU 8 ; Inverter Bit M_TRM EQU 9 ; Timer Restart Mode M_DIR EQU 11 ; Direction Bit M_DI EQU 12 ; Data Input M_DO EQU 13 ; Data Output M_PCE EQU 15 ; Prescaled Clock Enable M_TOF EQU 20 ; Timer Overflow Flag M_TCF EQU 21 ; Timer Compare Flag ; Timer Prescaler Register Bit Flags M_PS EQU $600000 ; Prescaler Source Mask M_PS0 EQU 21 M_PS1 EQU 22 ; Timer Control Bits M_TC0 EQU 4 ; Timer Control 0 M_TC1 EQU 5 ; Timer Control 1 M_TC2 EQU 6 ; Timer Control 2 M_TC3 EQU 7 ; Timer Control 3 ;------------------------------------------------------------------------ A.8 Direct Memory Access (DMA) Equates ;------------------------------------------------------------------------ ; Register Addresses Of DMA M_DSTR EQU $FFFFF4 ; DMA Status Register M_DOR0 EQU $FFFFF3 ; DMA Offset Register 0 M_DOR1 EQU $FFFFF2 ; DMA Offset Register 1 M_DOR2 EQU $FFFFF1 ; DMA Offset Register 2 M_DOR3 EQU $FFFFF0 ; DMA Offset Register 3 ; Register Addresses Of DMA0 M_DSR0 EQU $FFFFEF ; DMA0 Source Address Register M_DDR0 EQU $FFFFEE ; DMA0 Destination Address Register |
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