Port C Data Register (Pdrc) - Motorola DSP56367 User Manual

10.5.3

PORT C DATA REGISTER (PDRC)

The read/write 24-bit Port C Data Register (see Figure 10-21) is used to read or write data
to/from ESAI GPIO pins. Bits PD(11:0) are used to read or write data from/to the
corresponding port pins if they are configured as GPIO. If a port pin [i] is configured as a
GPIO input, then the corresponding PD[i] bit reflects the value present on this pin. If a port
pin [i] is configured as a GPIO output, then the value written into the corresponding PD[i] bit
is reflected on this pin. If a port pin [i] is configured as disconnected, the corresponding PD[i]
bit is not reset and contains undefined data.
11 10
X:$FFFFBD PD11 PD10
23 22
MOTOROLA
9 8 7 6
PD9 PD8 PD7 PD6
21 20 19 18
Reserved bit - read as zero; should be written with zero for future compatibility.
Figure 10-21 PDRC Register
DSP56367
Enhanced Serial Audio Interface (ESAI)
GPIO - Pins and Registers
5 4 3
PD5 PD4 PD3
17 16 15
2 1 0
PD2 PD1 PD0
14 13 12
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