Freescale Semiconductor DSP56366 - Manual (Page 359)

Programming Sheets
DSP56366 24-Bit Digital Signal Processor User Manual, Rev. 4
Freescale Semiconductor D-51
Figure D-36. GPIO Port E
Application: Date:
Programmer:
Sheet 4 of 4
GPIO
23 11 9 8 7 6 5 4
PC4
Port E Control Register
Y:$FFFF9F
Reset = $0
(PCRE)
Read/Write
* = Reserved, Program as 0
*
0
Port E (ESAI_1)
23 10 9 8 7 6 5 4
PDC4
Port E Direction Register
Y:$FFFF9E
Reset = $0
(PRRE)
Read/Write
*
0
23 11 9 8 7 6 4 3
PD4 PD3
Port E GPIO Data Register
Y:$FFFF9D
Reset = undefined
(PDRE)
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 PC1
PC0
11 0 1 2 3
PDC3
PDC1PDC0
10 5
PD1
PD0
2
1 0
PCn = 0 & PDCn = 0 -> Port pin PEn disconnected
PCn = 1 & PDCn = 0 -> Port pin PEn configured as input
PCn = 0 & PDCn = 1 -> Port pin PEn configured as output
PCn = 1 & PDCn = 1 -> Port pin configured as ESAI_1
* = Reserved, Program as 0
* = Reserved, Program as 0
*
0
*
0
*
0
*
0
*
0
*
0 PC6 PC7 PC8 PC9 PC10 PC11
PDC6 PDC7 PDC8 PDC9 PDC10 PDC11
PD6 PD7 PD8 PD9 PD10 PD11