Start
No
Yes
CLKSM bit = 0 ?
No
Yes
Configure
MCBSPLP_SRGR2_REG[13]
CLKSM bit
To choose the bit value,
see the Table below.
WAIT for
2 CLKSRG cycles
Configure
MCBSPLP_PCR_REG[7]
SCLKME bit
MCBSPLP_SPCR2_REG[6]
GRST bit = 0?
Configure
MCBSPLP_SRGR2_REG[15]
GSYNC bit
MCBSPLP_PCR_REG[11]
FSXM bit = 1?
Yes
No
Configure
MCBSPLP_SRGR2_REG[12]
FSGM bit
Configure
MCBSPLP_SRGR2_REG[11:0]
FPER field
Configure
MCBSPLP_SRGR1_REG[15:8]
FWID field
Configure
MCBSPLP_SRGR1_REG[7:0]
CLKGDV field
GSYNC bit = 1 ?
Yes
No
End
mcbsp-073
Public Version
McBSP Basic Programming Model
www.ti.com
Figure 21-59. Flow Diagram for the SRG Registers Programmation
The input clock is selected with the McBSPi.
[7] SCLKME bit and the
McBSPi.
[13] CLKSM bit in one of the following configurations (see
3130
Multi-Channel Buffered Serial Port
SWPU177N – December 2009 – Revised November 2010
Copyright © 2009–2010, Texas Instruments Incorporated