Public Version
McSPI Register Manual
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Table 20-34. MCSPI_MODULCTRL
Address Offset
0x28
Physical Address
0x4809 8028
Instance
MCSPI1
0x4809 A028
MCSPI2
0x480B 8028
MCSPI3
0x480B A028
MCSPI4
Description
This register is dedicated to the configuration of the serial port interface.
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
MS
SINGLE
Reserved
SYSTEM_TEST
Bits
Field Name
Description
Type
Reset
31:4
Reserved
Reads returns 0
RW
0x0000000
3
SYSTEM_TEST
Enables the system test mode
RW
0
0x0:
Functional mode
0x1:
System test mode (SYSTEST)
2
MS
Master/ Slave
RW
1
0x0:
Master - The module generates the spim_clk and
spim_cs for channel x
0x1:
Slave - The module receive
1
Reserved
(returns 0 after writing 0) (returns 1 after writing 1)
RW
0
0
SINGLE
Single forced channel/multichannel (master mode only)
RW
0
0x0:
One or more channels will be used in master mode with
automatic chip-select generation.
0x1:
Only one channel will be used in master mode and the
chip-select is driven by the
FORCE bit. This bit must be set in force spim_cs mode.
Table 20-35. Register Call Summary for Register MCSPI_MODULCTRL
McSPI Functional Description
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:
•
:
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:
McSPI Basic Programming Model
•
McSPI Configuration and Operations Example
McSPI Register Manual
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3044
Multichannel SPI
SWPU177N – December 2009 – Revised November 2010
Copyright © 2009–2010, Texas Instruments Incorporated