beautypg.com

Gpio, Programming reference – Motorola DSP56012 User Manual

Page 263

background image

Programming Reference

MOTOROLA

DSP56012 User’s Manual

B-31

Application:

Date:

Programmer:

Sheet 1 of 1

GPIO

1

5

1

4

1

3

1

2

1

1

1

0

9876

5

43210

GD3

GD2

GD1

GD0

GPIO Control/Data

X:$FFF7

Reset = $000000

Register (GPIOR)

19

18

17

16

23

22

21

20

GC3

GDD3

GDD2

GDD1

GDD0

GC1

GCx

GDDx

GPIO Pin Definition

0

0

Disconnected

0

1

Standard output

1

0

Input

1

1

Open-drain output

GC0

GC2

GPIO Data Bits

GD4

GD5

GD6

GD7

GDD7

GDD6

GDD4

GDD4

GC7

GC5

GC4

GC6

GPIO Control/Data Register (GPIOR)