Motorola DSP56367 User Manual page 480

Programmer's Reference
Application:
GPIO
15
Host Data
Direction Register
DR15
(HDDR)
X:$FFFFC8
Read/Write
Reset = $0
DRx = 1 → PBx is Output
15
Host Data
Register
D15
(HDR)
X:$FFFFC9
Read/Write
Reset = Undefined
Dx holds value of corresponding HDI08 GPIO pin.
Function depends on HDDR.
See the HDI08 HPCR Register (Figure D-8) for additional Port B GPIO control bits.
D-48
Port B (HDI08)
14 13 12 11 10
DR14 DR13 DR12 DR11 DR10
DRx = 0 → PBx is Input
14 13 12 11 10
D14 D13 D12 D11 D10
Figure D-33 GPIO Port B
DSP56367
Date:
Programmer:
9 8 7 6 5
DR9 DR8 DR7 DR6 DR5
9 8 7 6 5
D9 D8 D7 D6 D5
Sheet 1 of 4
4 3 2 1 0
DR4 DR3 DR2 DR1 DR0
4 3 2 1 0
D4 D3 D2 D1 D0
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