Freescale Semiconductor DSP56374 User Manual page 193

M_CDP EQU $300
M_CDP0 EQU 8
M_CDP1 EQU 9
M_XYS EQU 16
M_EUN EQU 17
M_EOV EQU 18
M_WRP EQU 19
M_SEN EQU 20
M_MSW0 EQU 21
M_MSW1 EQU 22
;------------------------------------------------------------------------
;
; EQUATES for DAX (SPDIF Tx)
;
;------------------------------------------------------------------------
; Register Addresses
M_XSTR EQU $FFFFD4
M_XADRB EQU $FFFFD3
M_XADR EQU $FFFFD2
M_XADRA EQU $FFFFD2
M_XNADR EQU $FFFFD1
M_XCTR EQU $FFFFD0
; status bits in XSTR
M_XADE EQU 0
M_XAUR EQU 1
M_XBLK EQU 2
; non-audio bits in XNADR
M_XVA EQU 10
M_XUA EQU 11
M_XCA EQU 12
M_XVB EQU 13
M_XUB EQU 14
M_XCB EQU 15
; control bits in XCTR
M_XDIE EQU 0
M_XUIE EQU 1
M_XBIE EQU 2
M_XCS0 EQU 3
M_XCS1 EQU 4
M_XSB EQU 5
Freescale Semiconductor
; mask for CORE-DMA priority bits in OMR
; bit 0 of priority bits in OMR Core DMA
; bit 1 of priority bits in OMR Core DMA
; Stack Extension space select bit in OMR.
; Extensed stack UNderflow flag in OMR.
; Extended stack OVerflow flag in OMR.
; Extended WRaP flag in OMR.
; Stack Extension Enable bit in OMR.
; Memory Switch Mode 0
; Memory Switch Mode 1
; X space: DAX Status Register (XSTR)
; X space: DAX Audio Data Register B (XADRB)
; X space: DAX Audio Data Register (XADR)
; X space: DAX Audio Data Register A (XADRA)
; X space: DAX Non-Audio Data Register (XNADR)
; X space: DAX Control Register (XCTR)
; DAX Audio Data Register Empty (XADE)
; DAX Trasmit Underrun Error Flag (XAUR)
; DAX Block Transferred (XBLK)
; DAX Channel A Validity (XVA)
; DAX Channel A User Data (XUA)
; DAX Channel A Channel Status (XCA)
; DAX Channel B Validity (XVB)
; DAX Channel B User Data (XUB)
; DAX Channel B Channel Status (XCB)
; DAX Audio Data Register Empty Interrupt Enable (XDIE)
; DAX Underrun Error Interrupt Enable (XUIE)
; DAX Block Transferred Interrupt Enable (XBIE)
; DAX Clock Input Select 0 (XCS0)
; DAX Clock Input Select 1 (XCS1)
; DAX Start Block (XSB)
DSP56374 Users Guide, Rev. 1.2
B-9