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Question about BF707 MSI clock source configuration

Question asked by Aleksandr.Loiko on Oct 17, 2014
Latest reply on Oct 24, 2014 by JoeT

Hello,

 

I want to configure MSI clock source.

In “ADSP-BF70x Blackfin+ Processor Hardware Reference, rev 0.2” manual, section “Clock Control” says:

 

The source clock for the MSI block and the input clock for clock dividers of the clock control block can be

selected from one of the four options given in below table. The MSI_UHS_EXT register is used to control the

selection of source clock to MSI module as shown in the following table.

 

UHS_REG_EXT[31:30MSI Clock
00SCLK0/2
01SCLK0
10SCLK1/3
11GND

 

But I cannot find description of the register in “ADSP-BF70x MSI Register Descriptions” section. This register is absent in def707.h header in CrossCore Studio too.

Can someone tell me what the MSI_UHS_EXT register is and specify its address?

 

Regards,

Alex

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