Texas-instruments Digital Signal Processor SM320F2812-HT Instrukcja Użytkownika Pobierz pdf (Strona 75)

SM320F2812-HT

www.ti.com

SGUS062B– JUNE 2009– REVISED JUNE 2011

Enhanced feature:

• 16-level transmit/receive FIFO

• Delayed transmit control

The SPI port operation is configured and controlled by the registers listed in Table 4-10.

Table 4-10. SPI Registers

(1)

NAME ADDRESS SIZE (×16) DESCRIPTION

SPICCR 0x00 7040 1 SPI Configuration Control Register

SPICTL 0x00 7041 1 SPI Operation Control Register

SPISTS 0x00 7042 1 SPI Status Register

SPIBRR 0x00 7044 1 SPI Baud Rate Register

SPIRXEMU 0x00 7046 1 SPI Receive Emulation Buffer Register

SPIRXBUF 0x00 7047 1 SPI Serial Input Buffer Register

SPITXBUF 0x00 7048 1 SPI Serial Output Buffer Register

SPIDAT 0x00 7049 1 SPI Serial Data Register

SPIFFTX 0x00 704A 1 SPI FIFO Transmit Register

SPIFFRX 0x00 704B 1 SPI FIFO Receive Register

SPIFFCT 0x00 704C 1 SPI FIFO Control Register

SPIPRI 0x00 704F 1 SPI Priority Control Register

(1) The above registers are mapped to Peripheral Frame 2. This space only allows 16-bit accesses. 32-bit accesses produce undefined

results.

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Texas-instruments Digital Signal Processor SM320F2812-HT Instrukcja Użytkownika Strona 75