Motorola DSP56012 Manuale Utente

Parallel Host Interface

Port B Configuration

MOTOROLA

DSP56012 User’s Manual

4-5

Figure 4-3 Port B GPIO Signals and Registers

Port B

PB0
PB1
PB2
PB3
PB4
PB5
PB6
PB7
PB8
PB9

PB10
PB11
PB12
PB13
PB14

BC0/BC1
BC0/BC1
BC0/BC1
BC0/BC1
BC0/BC1
BC0/BC1
BC0/BC1
BC0/BC1
BC0/BC1
BC0/BC1
BC0/BC1
BC0/BC1
BC0/BC1
BC0/BC1
BC0/BC1

BD0
BD1
BD2
BD3
BD4
BD5
BD6
BD7
BD8
BD9

BD10
BD11
BD12
BD13
BD14

Enabled by

bits in

X:$FFEC

Direction

Selected by

bits in

X:$FFED

PB0
PB1
PB2
PB3
PB4
PB5
PB6
PB7
PB8
PB9

PB10
PB11
PB12
PB13
PB14

Input/Output

Data

X:$FFEE

AA0309.11

PBC

PBDDR

PBD