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McASP Registers
Table 22-14. Pin Function Register (PFUNC) Field Descriptions
Bit Field Value Description
31 AFSR Determines if AFSR pin functions as McASP or GPIO.
0 Pin functions as McASP pin.
1 Pin functions as GPIO pin.
30 AHCLKR Determines if AHCLKR pin functions as McASP or GPIO.
0 Pin functions as McASP pin.
1 Pin functions as GPIO pin.
29 ACLKR Determines if ACLKR pin functions as McASP or GPIO.
0 Pin functions as McASP pin.
1 Pin functions as GPIO pin.
28 AFSX Determines if AFSX pin functions as McASP or GPIO.
0 Pin functions as McASP pin.
1 Pin functions as GPIO pin.
27 AHCLKX Determines if AHCLKX pin functions as McASP or GPIO.
0 Pin functions as McASP pin.
1 Pin functions as GPIO pin.
26 ACLKX Determines if ACLKX pin functions as McASP or GPIO.
0 Pin functions as McASP pin.
1 Pin functions as GPIO pin.
25 AMUTE Determines if AMUTE pin functions as McASP or GPIO.
0 Pin functions as McASP pin.
1 Pin functions as GPIO pin.
24-6 Reserved 0 Reserved. The reserved bit location always returns the default value. A value written to this field has no
effect. If writing to this field, always write the default value for future device compatibility.
5-0 AXR[5-0] Determines if AXRn pin functions as McASP or GPIO.
0 Pin functions as McASP pin.
1 Pin functions as GPIO pin.
3831
SPRUH73H–October 2011–Revised April 2013 Multichannel Audio Serial Port (McASP)
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