Gpio – Freescale Semiconductor DSP56366 User Manual
Page 357
Programming Sheets
DSP56366 24-Bit Digital Signal Processor User Manual, Rev. 4
Freescale Semiconductor
D-49
Figure D-34. GPIO Port C
Application:
Date:
Programmer:
Sheet 2 of 4
GPIO
23
11
9
8
7
6
5
4
PC9
PC8
PC7
PC6
PC5
PC4
Port C Control Register
X:$FFFFBF
Reset = $0
(PCRC)
Read/Write
*
= Reserved, Program as 0
*
0
Port C (ESAI)
23
10
9
8
7
6
5
4
PDC9
PDC8
PDC7 PDC6
PDC5 PDC4
Port C Direction Register
X:$FFFFBE
Reset = $0
(PRRC)
Read/Write
*
0
23
11
9
8
7 6
4
3
PD9 PD8
PD7 PD6
PD4 PD3
Port C GPIO Data Register
X:$FFFFBD
Reset = undefined
(PDRC)
Read/Write
*
0
If port pin n is GPIO input, then PDn reflects the value on port pin n
if port pin n is GPIO output, then value written to PDn is reflected on port pin n
3
2
1
0
10
PC3 PC2 PC1
PC0
11
0
1
2
3
PDC10
PDC3 PDC2
PDC1PDC0
PD10
10
PD5
5
PD2 PD1
PD0
2
1
0
PC10
PCn = 0 & PDCn = 0 -> Port pin PCn disconnected
PCn = 1 & PDCn = 0 -> Port pin PCn configured as input
PCn = 0 & PDCn = 1 -> Port pin PCn configured as output
PCn = 1 & PDCn = 1 -> Port pin configured as ESAI
PC11
PDC11
PD11
*
= Reserved, Program as 0
*
= Reserved, Program as 0