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Chapter 24 Multichannel Serial Port Interface (McSPI).

Chapter 24 Multichannel Serial Port Interface (McSPI).

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www.ti.com <strong>McSPI</strong> Registers<br />

<strong>24</strong>.5.1.5 <strong>McSPI</strong> Interrupt Enable Register (MCSPI_IRQENABLE)<br />

This <strong>McSPI</strong> interrupt enable register (MCSPI_IRQENABLE) enables/disables the module internal sources<br />

of interrupt, on an event-by-event basis. The MCSPI_IRQENABLE is shown in Figure <strong>24</strong>-30 and described<br />

in Table <strong>24</strong>-15.<br />

Figure <strong>24</strong>-30. <strong>McSPI</strong> Interrupt Enable Register (MCSPI_IRQENABLE)<br />

31 18 17 16<br />

Reserved EOWKE Rsvd<br />

R/W-0 R/W-0 R-0<br />

15 14 13 12 11 10 9 8<br />

Rsvd RX3_FULL_ TX3_UNDERFLOW_ TX3_EMPTY_ Reserved RX2_FULL_ TX2_UNDERFLOW_ TX2_EMPTY_<br />

ENABLE ENABLE ENABLE ENABLE ENABLE ENABLE<br />

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0<br />

7 6 5 4 3 2 1 0<br />

Rsvd RX1_FULL_ TX1_UNDERFLOW_ TX1_EMPTY_ RX0_OVERFLOW_ RX0_FULL_ TX0_UNDERFLOW_ TX0_EMPTY_<br />

ENABLE ENABLE ENABLE ENABLE ENABLE ENABLE ENABLE<br />

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0<br />

LEGEND: R/W = Read/Write; -n = value after reset<br />

Table <strong>24</strong>-15. <strong>McSPI</strong> Interrupt Enable Register (MCSPI_IRQENABLE) Field Descriptions<br />

Bit Field Value Description<br />

31-18 Reserved 0 Reads return 0<br />

17 EOWKE End of word count interrupt enable.<br />

0 Interrupt is disabled.<br />

1 Interrupt is enabled.<br />

16 Reserved Reserved<br />

15 Reserved 0 Reads return 0<br />

14 RX3_FULL_ ENABLE MCSPI_RX3 receiver register full or almost full interrupt enable (channel 3).<br />

0 Interrupt is disabled.<br />

1 Interrupt is enabled.<br />

13 TX3_UNDERFLOW_ ENABLE MCSPI_TX3 transmitter register underflow interrupt enable (channel 3).<br />

0 Interrupt is disabled.<br />

1 Interrupt is enabled.<br />

12 TX3_EMPTY_ ENABLE MCSPI_TX3 transmitter register empty or almost empty interrupt enable<br />

(channel 3).<br />

0 Interrupt is disabled.<br />

1 Interrupt is enabled.<br />

11 Reserved 0 Reads return 0<br />

10 RX2_FULL_ ENABLE MCSPI_RX2 receiver register full or almost full interrupt enable (channel 2).<br />

0 Interrupt is disabled.<br />

1 Interrupt is enabled.<br />

9 TX2_UNDERFLOW_ ENABLE MCSPI_TX2 transmitter register underflow interrupt enable (channel 2).<br />

0 Interrupt is disabled.<br />

1 Interrupt is enabled.<br />

8 TX2_EMPTY_ ENABLE MCSPI_TX2 transmitter register empty or almost empty interrupt enable<br />

(channel 2).<br />

0 Interrupt is disabled.<br />

1 Interrupt is enabled.<br />

7 Reserved 0 Reads return 0<br />

SPRUH73E–October 2011–Revised May 2012 <strong>Multichannel</strong> <strong>Serial</strong> <strong>Port</strong> <strong>Interface</strong> (<strong>McSPI</strong>)<br />

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Copyright © 2011–2012, Texas Instruments Incorporated<br />

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