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McSPI Register Manual
Table 20-27. Register Call Summary for Register MCSPI_IRQSTATUS
McSPI Functional Description
•
Master Transmit-and-Receive Mode (Full Duplex)
:
•
Master Transmit-Only Mode (Half Duplex)
•
Master Receive-Only Mode (Half Duplex)
:
•
:
•
•
:
•
:
•
:
•
Interrupt Events in Master Mode
:
•
Interrupt Events in Slave Mode
[20] [21] [22] [23] [24] [25] [26]
•
:
•
•
:
McSPI Basic Programming Model
•
McSPI Configuration and Operations Example
[34] [35] [36] [37] [38] [39] [40] [41] [42] [43] [44] [45] [46] [47]
McSPI Register Manual
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•
Table 20-28. MCSPI_IRQENABLE
Address Offset
0x1C
Physical Address
0x4809 801C
Instance
MCSPI1
0x4809 A01C
MCSPI2
0x480B 801C
MCSPI3
0x480B A01C
MCSPI4
Description
This register allows to enable/disable the module internal sources of interrupt, on an event-by-event basis.
Type
RW
Write Latency
Immediate
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
9
8
7
6
5
4
3
2
1
0
Reserved
WKE
EOWKE
Reserved
Reserved
Reserved
RX3_FULL_
ENABLE
RX2_FULL_
ENABLE
RX1_FULL_
ENABLE
RX0_FULL_
ENABLE
TX3_EMPTY_
ENABLE
TX2_EMPTY_
ENABLE
TX1_EMPTY_
ENABLE
TX0_EMPTY_
ENABLE
RX0_OVERFLOW_
ENABLE
TX3_UNDERFLOW_
ENABLE
TX2_UNDERFLOW_
ENABLE
TX1_UNDERFLOW_
ENABLE
TX0_UNDERFLOW_
ENABLE
Bits
Field Name
Description
Type
Reset
31:18
Reserved
Reads return 0
RW
0x0000
17
EOWKE
End of Word count Interrupt Enable.
RW
0x0
0x0:
Interrupt disabled
0x1:
Interrupt enabled
16
WKE
Wake-up event interrupt enable in slave mode when an
RW
0x0
active control signal is detected on the spim_csx line
programmed in the
[SPIENSLV] field
(where x=0 only)
0x0:
Interrupt disabled
0x1:
Interrupt enabled
3039
SWPU177N – December 2009 – Revised November 2010
Multichannel SPI
Copyright © 2009–2010, Texas Instruments Incorporated