McSPI Registers
24.4.1.5 McSPI Interrupt Enable Register (MCSPI_IRQENABLE)
This McSPI interrupt enable register (MCSPI_IRQENABLE) enables/disables the module internal sources
of interrupt, on an event-by-event basis. The MCSPI_IRQENABLE is shown in
and described
in
Figure 24-30. McSPI Interrupt Enable Register (MCSPI_IRQENABLE)
31
18
17
16
Reserved
EOWKE
Rsvd
R/W-0
R/W-0
R-0
15
14
13
12
11
10
9
8
Rsvd
RX3_FULL_
TX3_UNDERFLOW_
TX3_EMPTY_
Reserved
RX2_FULL_
TX2_UNDERFLOW_
TX2_EMPTY_
ENABLE
ENABLE
ENABLE
ENABLE
ENABLE
ENABLE
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
7
6
5
4
3
2
1
0
Rsvd
RX1_FULL_
TX1_UNDERFLOW_
TX1_EMPTY_
RX0_OVERFLOW_
RX0_FULL_
TX0_UNDERFLOW_
TX0_EMPTY_
ENABLE
ENABLE
ENABLE
ENABLE
ENABLE
ENABLE
ENABLE
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
LEGEND: R/W = Read/Write; -n = value after reset
Table 24-15. McSPI Interrupt Enable Register (MCSPI_IRQENABLE) Field Descriptions
Bit
Field
Value
Description
31-18
Reserved
0
Reads return 0
17
EOWKE
End of word count interrupt enable.
0
Interrupt is disabled.
1
Interrupt is enabled.
16
Reserved
Reserved
15
Reserved
0
Reads return 0
14
RX3_FULL_ ENABLE
MCSPI_RX3 receiver register full or almost full interrupt enable (channel 3).
0
Interrupt is disabled.
1
Interrupt is enabled.
13
TX3_UNDERFLOW_ ENABLE
MCSPI_TX3 transmitter register underflow interrupt enable (channel 3).
0
Interrupt is disabled.
1
Interrupt is enabled.
12
TX3_EMPTY_ ENABLE
MCSPI_TX3 transmitter register empty or almost empty interrupt enable
(channel 3).
0
Interrupt is disabled.
1
Interrupt is enabled.
11
Reserved
0
Reads return 0
10
RX2_FULL_ ENABLE
MCSPI_RX2 receiver register full or almost full interrupt enable (channel 2).
0
Interrupt is disabled.
1
Interrupt is enabled.
9
TX2_UNDERFLOW_ ENABLE
MCSPI_TX2 transmitter register underflow interrupt enable (channel 2).
0
Interrupt is disabled.
1
Interrupt is enabled.
8
TX2_EMPTY_ ENABLE
MCSPI_TX2 transmitter register empty or almost empty interrupt enable
(channel 2).
0
Interrupt is disabled.
1
Interrupt is enabled.
7
Reserved
0
Reads return 0
4040
Multichannel Serial Port Interface (McSPI)
SPRUH73H – October 2011 – Revised April 2013
Copyright © 2011–2013, Texas Instruments Incorporated