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数据搜索系统，热门电子元器件搜索 |
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数据搜索系统，热门电子元器件搜索 |
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DSP56303 数据表(PDF) 232 Page - Freescale Semiconductor, Inc |
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DSP56303 数据表(HTML) 232 Page - Freescale Semiconductor, Inc |
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232 / 292 page  DSP56303 User’s Manual, Rev. 2 A-10 Freescale Semiconductor Bootstrap Program M_HD_HS EQU $C ; Host Double/Single Strobe select M_HCSP EQU $D ; Host Chip Select Polarity M_HRP EQU $E ; Host Request Polarity M_HAP EQU $F ; Host Acknowledge Polarity ;------------------------------------------------------------------------ A.4 Serial Communications Interface (SCI) Equates ;------------------------------------------------------------------------ ; 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 ; Word Select Mask (WDS0-WDS3) M_WDS0 EQU 0 ; Word Select 0 M_WDS1 EQU 1 ; Word Select 1 M_WDS2 EQU 2 ; Word Select 2 M_SSFTD EQU 3 ; SCI Shift Direction M_SBK EQU 4 ; Send Break M_WAKE EQU 5 ; Wakeup Mode Select M_RWU EQU 6 ; Receiver Wakeup Enable M_WOMS EQU 7 ; Wired-OR Mode Select M_SCRE EQU 8 ; SCI Receiver Enable M_SCTE EQU 9 ; SCI Transmitter Enable M_ILIE EQU 10 ; Idle Line Interrupt Enable M_SCRIE EQU 11 ; SCI Receive Interrupt Enable M_SCTIE EQU 12 ; SCI Transmit Interrupt Enable M_TMIE EQU 13 ; Timer Interrupt Enable M_TIR EQU 14 ; Timer Interrupt Rate M_SCKP EQU 15 ; SCI Clock Polarity M_REIE EQU 16 ; SCI Error Interrupt Enable (REIE) ; SCI Status Register Bit Flags M_TRNE EQU 0 ; Transmitter Empty M_TDRE EQU 1 ; Transmit Data Register Empty M_RDRF EQU 2 ; Receive Data Register Full M_IDLE EQU 3 ; Idle Line Flag |
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