PXN20RM Datasheet, PDF (932/1376 Pages) Freescale Semiconductor, Inc – PXN20 Microcontroller

Deserial – Serial Peripheral Interface (DSPI)
Table 30-2. DSPI Memory Map
Offset from
DSPI_BASE
DSPI_A = 0xFFF9_0000
DSPI_B = 0xFFF9_4000
DSPI_C = 0xC3F9_0000
DSPI_D = 0xC3F9_4000
Register
Access Reset Value Section/Page
0x0000
0x0004
0x0008
0x000C
0x0010
0x0014
0x0018
0x001C
0x0020
0x0024
0x0028
0x002C
0x0030
DSPI_MCR—DSPI module configuration register
R/W 0x0000_4001 30.3.2.1/30-7
Reserved
DSPI_TCR—DSPI transfer count register
R/W 0x0000_0000 30.3.2.2/30-9
DSPI_CTAR0—DSPI clock and transfer attributes register 0 R/W 0x7800_0000 30.3.2.3/30-10
DSPI_CTAR1—DSPI clock and transfer attributes register 1 R/W 0x7800_0000 30.3.2.3/30-10
DSPI_CTAR2—DSPI clock and transfer attributes register 2 R/W 0x7800_0000 30.3.2.3/30-10
DSPI_CTAR3—DSPI clock and transfer attributes register 3 R/W 0x7800_0000 30.3.2.3/30-10
DSPI_CTAR4—DSPI clock and transfer attributes register 4 R/W 0x7800_0000 30.3.2.3/30-10
DSPI_CTAR5—DSPI clock and transfer attributes register 5 R/W 0x7800_0000 30.3.2.3/30-10
DSPI_CTAR6—DSPI clock and transfer attributes register 6 R/W 0x7800_0000 30.3.2.3/30-10
DSPI_CTAR7—DSPI clock and transfer attributes register 7 R/W 0x7800_0000 30.3.2.3/30-10
DSPI_SR—DSPI status register
R 0x0000_0000 30.3.2.4/30-16
DSPI_RSER—DSPI DMA/interrupt request select and
enable register
R/W 0x0000_0000 30.3.2.5/30-18
FIFO Registers
0x0034
0x0038
0x003C
0x0040
0x0044
0x0048
0x004C–0x0078
0x007C
0x0080
0x0084
0x0088
0x008C–0x00B8
DSPI_PUSHR—DSPI push TX FIFO register
DSPI_POPR—DSPI pop RX FIFO register
DSPI_TXFR0—DSPI transmit FIFO register 0
DSPI_TXFR1—DSPI transmit FIFO register 1
DSPI_TXFR2—DSPI transmit FIFO register 2
DSPI_TXFR3—DSPI transmit FIFO register 3
Reserved
DSPI_RXFR0—DSPI receive FIFO register 0
DSPI_RXFR1—DSPI receive FIFO register 1
DSPI_RXFR2—DSPI receive FIFO register 2
DSPI_RXFR3—DSPI receive FIFO register 3
Reserved
R/W 0x0000_0000 30.3.2.6/30-19
R 0x0000_0000 30.3.2.7/30-21
R 0x0000_0000 30.3.2.8/30-21
R 0x0000_0000 30.3.2.8/30-21
R 0x0000_0000 30.3.2.8/30-21
R 0x0000_0000 30.3.2.8/30-21
R 0x0000_0000 30.3.2.9/30-22
R 0x0000_0000 30.3.2.9/30-22
R 0x0000_0000 30.3.2.9/30-22
R 0x0000_0000 30.3.2.9/30-22
DSI Registers
0x00BC
0x00C0
0x00C4
0x00C8
0x00CC
DSPI_DSICR—DSPI DSI configuration register
DSPI_SDR—DSPI DSI serialization data register
DSPI_ASDR—DSPI DSI alternate serialization data
register
DSPI_COMPR—DSPI DSI transmit comparison register
DSPI_DDR—DSPI DSI deserialization data register
R/W 0x0000_0000 30.3.2.10/30-23
R 0x0000_0000 30.3.2.11/30-24
R/W 0x0000_0000 30.3.2.12/30-25
R 0x0000_0000 30.3.2.13/30-26
R 0x0000_0000 30.3.2.14/30-26
30-6
PXN20 Microcontroller Reference Manual, Rev. 1
Freescale Semiconductor