
FAA20 Embedded NEXCOM Vocoder
Board Manual
This manual has been prepared for the Federal Aviation Administration.
FA100-00107 (March 2004) – Rev 1.0.0 Page 88
8.3.23 MCBSP
The MCBSP command is used to access the TMS320VC5416 Multi-
Channel Buffered Serial Port (MCBSP) configuration registers. This
command is used for FAA20 software development and test.
Table 34: MCBSP Command Syntax
ATTRIBUTE DESCRIPTION
SYNTAX MCBSP [mcbspid [subaddr [hexdata]]]
mcbspid
0 = MCBSP #0 (connected to codec)
1 = MCBSP #1 (connected to PCM interface)
2 = MCBSP #2 (generates NIBCLK)
subaddr Sub-Address. Valid range is 0x0 through 0xF.
PARAMETERS
hexdata Hexadecimal data value (16-bit).
FLASH NO
Display all registers for MCBSP #1.
COM1: mcbsp 1
> MCBSP 1 0 = 0001
> MCBSP 1 1 = 00CD
> MCBSP 1 2 = 0040
> MCBSP 1 3 = 0001
> MCBSP 1 4 = 0040
> MCBSP 1 5 = 0001
> MCBSP 1 6 = 001F
> MCBSP 1 7 = 31DF
> MCBSP 1 8 = 0000
> MCBSP 1 9 = 0000
> MCBSP 1 A = 0000
> MCBSP 1 B = 0000
> MCBSP 1 C = 0000
> MCBSP 1 D = 0000
> MCBSP 1 E = 0F00
> MCBSP 1 F = 0000
EXAMPLES
Change contents of sub-address register 2.
COM1: mcbsp 1 2 41
> MCBSP 1 2 = 0041
Note: Do not enter any leading ‘0x’ characters.
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