M_STRQ EQU 1 ; Slave Transmit Data Request
M_SRRQ EQU 2 ; Slave Receive Data Request
M_HF02 EQU $38; Host Flag 0-2 Mask
M_HF0 EQU 3
M_HF1 EQU 4
M_HF2 EQU 5
; Host Flag 0
; Host Flag 1
; Host Flag 2
;
DSP PCI Status Register Bit Flags
M_MWS EQU 0 ; PCI Master Wait States
M_MTRQ EQU 1 ; PCI Master Transmit Data Request
M_MRRQ EQU 2 ; PCI Master Receive Data Request
M_MARQ EQU 4 ; PCI Master Address Request
M_APER EQU 5
M_DPER EQU 6
M_MAB EQU 7
M_TAB EQU 8
M_TDIS EQU 9
M_TRTY EQU 10
M_TO EQU 11
; PCI Address Parity Error
; PCI Data Parity Error
; PCI Master Abort
; PCI Target Abort
; PCI Target Disconnect
; PCI Target Retry
; PCI Time Out Termination
M_RDC EQU $3F0000; Remaining Data Count Mask (RDC5-RDC0)
M_RDC0 EQU 16
M_RDC1 EQU 17
M_RDC2 EQU 18
M_RDC3 EQU 19
M_RDC4 EQU 20
M_RDC5 EQU 21
M_HACT EQU 23
; Remaining Data Count
; Remaining Data Count
; Remaining Data Count
; Remaining Data Count
; Remaining Data Count
; Remaining Data Count
; Hi32 Active
0
1
2
3
4
5
;------------------------------------------------------------------------
;
;
;
EQUATES for Serial Communications Interface (SCI)
;------------------------------------------------------------------------
;
Register Addresses
M_STXH EQU $FFFF97; SCI Transmit Data Register (high)
M_STXM EQU $FFFF96; SCI Transmit Data Register (middle)
M_STXL EQU $FFFF95; SCI Transmit Data Register (low)
M_SRXH EQU $FFFF9A; SCI Receive Data Register (high)
M_SRXM EQU $FFFF99; SCI Receive Data Register (middle)
M_SRXL EQU $FFFF98; SCI Receive Data Register (low)
M_STXA EQU $FFFF94; SCI Transmit Address Register
M_SCR EQU $FFFF9C; SCI Control Register
M_SSR EQU $FFFF93; SCI Status Register
M_SCCR EQU $FFFF9B; SCI Clock Control Register
;
SCI Control Register Bit Flags
M_WDS EQU $7
M_WDS0 EQU 0
M_WDS1 EQU 1
M_WDS2 EQU 2
M_SSFTD EQU 3
M_SBK EQU 4
M_WAKE EQU 5
M_RWU EQU 6
M_WOMS EQU 7
; Word Select Mask (WDS0-WDS3)
; Word Select 0
; Word Select 1
; Word Select 2
; SCI Shift Direction
; Send Break
; Wakeup Mode Select
; Receiver Wakeup Enable
; Wired-OR Mode Select
DSP56301 Technical Data, Rev. 10
Freescale Semiconductor
A-7
FREESCALE [ Freescale ]
