Motorola DSP56303 User Manual page 258

Enhanced Synchronous Serial Interface (ESSI) Equates
M_SCKD EQU 5
M_SHFD EQU 6
M_FSL EQU $180
M_FSL0 EQU 7
M_FSL1 EQU 8
M_FSR EQU 9
M_FSP EQU 10
M_CKP EQU 11
M_SYN EQU 12
M_MOD EQU 13
M_SSTE EQU $1C000
M_SSTE2 EQU 14
M_SSTE1 EQU 15
M_SSTE0 EQU 16
M_SSRE EQU 17
M_SSTIE EQU 18
M_SSRIE EQU 19
M_STLIE EQU 20
M_SRLIE EQU 21
M_STEIE EQU 22
M_SREIE EQU 23
; SSI Status Register Bit Flags
M_IF EQU $3
M_IF0 EQU 0
M_IF1 EQU 1
M_TFS EQU 2
M_RFS EQU 3
M_TUE EQU 4
M_ROE EQU 5
M_TDE EQU 6
M_RDF EQU 7
; SSI Transmit Slot Mask Register A
M_SSTSA EQU $FFFF
; SSI Transmit Slot Mask Register B
M_SSTSB EQU $FFFF
; SSI Receive Slot Mask Register A
M_SSRSA EQU $FFFF
; SSI Receive Slot Mask Register B
M_SSRSB EQU $FFFF
;------------------------------------------------------------------------
A-12
; Clock Source Direction
; Shift Direction
; Frame Sync Length Mask (FSL0-FSL1)
; Frame Sync Length 0
; Frame Sync Length 1
; Frame Sync Relative Timing
; Frame Sync Polarity
; Clock Polarity
; Sync/Async Control
; SSI Mode Select
; SSI Transmit enable Mask
; SSI Transmit #2 Enable
; SSI Transmit #1 Enable
; SSI Transmit #0 Enable
; SSI Receive Enable
; SSI Transmit Interrupt Enable
; SSI Receive Interrupt Enable
; SSI Transmit Last Slot Interrupt Enable
; SSI Receive Last Slot Interrupt Enable
; SSI Transmit Error Interrupt Enable
; SSI Receive Error Interrupt Enable
; Serial Input Flag Mask
; Serial Input Flag 0
; Serial Input Flag 1
; Transmit Frame Sync Flag
; Receive Frame Sync Flag
; Transmitter Underrun Error FLag
; Receiver Overrun Error Flag
; Transmit Data Register Empty
; Receive Data Register Full
; SSI Transmit Slot Bits Mask A (TS0-TS15)
; SSI Transmit Slot Bits Mask B (TS16-TS31)
; SSI Receive Slot Bits Mask A (RS0-RS15)
; SSI Receive Slot Bits Mask B (RS16-RS31)
DSP56303 User's Manual