DSP56303UM View Datasheet(PDF) - Freescale Semiconductor

Part Name

Description

Manufacturer

DSP56303UM

24-Bit Digital Signal Processor

Freescale Semiconductor 

M_DI EQU 12

M_DO EQU 13

M_PCE EQU 15

M_TOF EQU 20

M_TCF EQU 21

; Data Input

; Data Output

; Prescaled Clock Enable

; Timer Overflow Flag

; Timer Compare Flag

;

Timer Prescaler Register Bit Flags

M_PS EQU $600000

M_PS0 EQU 21

M_PS1 EQU 22

; Prescaler Source Mask

;

Timer Control Bits

M_TC0 EQU 4

M_TC1 EQU 5

M_TC2 EQU 6

M_TC3 EQU 7

; Timer Control 0

; Timer Control 1

; Timer Control 2

; Timer Control 3

;------------------------------------------------------------------------

;

;

EQUATES for Direct Memory Access (DMA)

;

;------------------------------------------------------------------------

;

Register Addresses Of DMA

M_DSTR EQU FFFFF4

M_DOR0 EQU $FFFFF3

M_DOR1 EQU $FFFFF2

M_DOR2 EQU $FFFFF1

M_DOR3 EQU $FFFFF0

; DMA Status Register

; DMA Offset Register 0

; DMA Offset Register 1

; DMA Offset Register 2

; DMA Offset Register 3

;

Register Addresses Of DMA0

M_DSR0 EQU $FFFFEF

M_DDR0 EQU $FFFFEE

M_DCO0 EQU $FFFFED

M_DCR0 EQU $FFFFEC

; DMA0 Source Address Register

; DMA0 Destination Address Register

; DMA0 Counter

; DMA0 Control Register

;

Register Addresses Of DMA1

M_DSR1 EQU $FFFFEB

M_DDR1 EQU $FFFFEA

M_DCO1 EQU $FFFFE9

M_DCR1 EQU $FFFFE8

; DMA1 Source Address Register

; DMA1 Destination Address Register

; DMA1 Counter

; DMA1 Control Register

;

Register Addresses Of DMA2

M_DSR2 EQU $FFFFE7

M_DDR2 EQU $FFFFE6

M_DCO2 EQU $FFFFE5

M_DCR2 EQU $FFFFE4

; DMA2 Source Address Register

; DMA2 Destination Address Register

; DMA2 Counter

; DMA2 Control Register

;

Register Addresses Of DMA4

M_DSR3 EQU $FFFFE3

M_DDR3 EQU $FFFFE2

M_DCO3 EQU $FFFFE1

M_DCR3 EQU $FFFFE0

; DMA3 Source Address Register

; DMA3 Destination Address Register

; DMA3 Counter

; DMA3 Control Register

Freescale Semiconductor

DSP56303 Technical Data, Rev. 11

A-11

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