
DSP56321 Technical Data, Rev. 11
A-6
Freescale Semiconductor
Power Consumption Benchmark
M_HOD EQU $8              
M_HDSP EQU $9             
M_HASP EQU $A             
M_HMUX EQU $B              
M_HD_HS EQU $C              
M_HCSP EQU $D              
M_HRP EQU $E              
M_HAP EQU $F              
; Host Request Open Drain mode
; Host Data Strobe Polarity
; Host Address Strobe Polarity
; Host Multiplexed bus select
; Host Double/Single Strobe select
; Host Chip Select Polarity
; Host Request Polarity
; Host Acknowledge Polarity
;------------------------------------------------------------------------
;
;       EQUATES for Serial Communications Interface (SCI)
;
;------------------------------------------------------------------------
;       Register Addresses
M_STXH EQU $FFFF97         
M_STXM EQU $FFFF96         
M_STXL EQU $FFFF95         
M_SRXH EQU $FFFF9A         
M_SRXM EQU $FFFF99         
M_SRXL EQU $FFFF98         
M_STXA EQU $FFFF94        
M_SCR EQU $FFFF9C         
M_SSR EQU $FFFF93         
M_SCCR EQU $FFFF9B         
; SCI Transmit Data Register (high)
; SCI Transmit Data Register (middle)
; SCI Transmit Data Register (low)
; SCI Receive Data Register (high)
; SCI Receive Data Register (middle)
; SCI Receive Data Register (low)
; SCI Transmit Address Register
; SCI Control Register
; SCI Status Register
; 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               
M_SCRE EQU 8               
M_SCTE EQU 9               
M_ILIE EQU 10              
M_SCRIE EQU 11              
M_SCTIE EQU 12              
M_TMIE EQU 13              
M_TIR EQU 14              
M_SCKP EQU 15              
M_REIE EQU 16              
; 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
; SCI Receiver Enable
; SCI Transmitter Enable
; Idle Line Interrupt Enable
; SCI Receive Interrupt Enable
; SCI Transmit Interrupt Enable
; Timer Interrupt Enable
; Timer Interrupt Rate
; SCI Clock Polarity
; SCI Error Interrupt Enable (REIE)
;       SCI Status Register Bit Flags
M_TRNE EQU 0               
M_TDRE EQU 1               
M_RDRF EQU 2               
M_IDLE EQU 3               
M_OR EQU 4               
M_PE EQU 5               
M_FE EQU 6               
M_R8 EQU 7               
; Transmitter Empty
; Transmit Data Register Empty
; Receive Data Register Full
; Idle Line Flag
; Overrun Error Flag 
; Parity Error
; Framing Error Flag
; Received Bit 8 (R8) Address
;       SCI Clock Control Register