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DSP56857 Datasheet(PDF) 418 Page - Freescale Semiconductor, Inc

Part # DSP56857
Description  Digitial Signal Controller
PDF  662 Pages
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Manufacturer  FREESCALE [Freescale Semiconductor, Inc]
Direct Link  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

DSP56857 Datasheet(HTML) 418 Page - Freescale Semiconductor, Inc

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Register Descriptions
5685X Digital Signal Controller User Manual, Rev. 4
15-18
Freescale Semiconductor
15.8.17 Port A Data Register (GPIOA_DR)
Figure 15-26. Port A Data Register (GPIOA_DR)
See Programmer’s Sheet on Appendix page B - 121
15.8.17.1 Reserved—Bits 15–4
These bits are reserved or not implemented. They are read as 0 and cannot be modified by
writing.
15.8.17.2 Data (DATA)—Bits 3–0
These bits control the output data when in GPIO mode.
15.8.18 Port B Data Register (GPIOB_DR)
Figure 15-27. Port B Data Register (GPIOB_DR)
See Programmer’s Sheet on Appendix page B - 122
15.8.18.1 Data (DATA)—Bits 15–0
These bits control the output data when in GPIO mode.
15.8.19 Port C Data Register (GPIOC_DR)
Figure 15-28. Port C Data Register (GPIOC_DR)
See Programmer’s Sheet on Appendix page B - 123
Base + $2
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Read
0
0
0
0
0
0
0
0
0
0
0
0
DATA
Write
Reset
000
000
00
0
0
0
0
0
0
0
0
Base + $2
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Read
DATA
Write
Reset
000
000
00
0
0
0
0
0
0
0
0
Base + $2
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Read
0
0
0
0
0
0
0
0
0
0
DATA
Write
Reset
000
000
00
0
0
0
0
0
0
0
0



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