Stereo System User Manual

Programming Reference
MOTOROLA DSP56012 User’s Manual B-31
Application:
Date:
Programmer:
Sheet 1 of 1
GPIO
1514131211109876543210
GD3 GD2 GD1 GD0
GPIO Control/Data
X:$FFF7
Reset = $000000
Register (GPIOR)
19 18 17 1623 22 21 20
GC3 GDD3 GDD2GDD1 GDD0GC1
GCx GDDx GPIO Pin Definition
0 0 Disconnected 0 1 Standard output 1 0 Input 1 1 Open-drain output
GC0GC2
GPIO Data Bits
GD4GD5GD6GD7
GDD7 GDD6GDD4 GDD4
GC7 GC5 GC4GC6
GPIO Control/Data Register (GPIOR)