Gpio – Freescale Semiconductor DSP56366 User Manual
Page 356
Programming Sheets
DSP56366 24-Bit Digital Signal Processor User Manual, Rev. 4
D-48
Freescale Semiconductor
Figure D-33. GPIO Port B
Application:
Date:
Programmer:
Sheet 1 of 4
GPIO
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
DR5
DR4
DR3
DR2
DR1
DR0
DR6
DR15
DR14 DR13
DR12
DR8
DR11
DR9
DR10
Direction Register
X:$FFFFC8
Reset = $0
(HDDR)
Read/Write
Host Data
DRx = 0
→ PBx is Input
DRx = 1
→ PBx is Output
15
14
13
12 11
10
9
8
7
6
5
4
3
2
1
0
D5
D4
D3
D2
D1
D0
D6
D15
D14
D13
D12
D8
D11
D9
D10
Register
X:$FFFFC9
Reset = Undefined
(HDR)
Read/Write
Host Data
Dx holds value of corresponding HDI08 GPIO pin.
DR7
D7
Function depends on HDDR.
Port B (HDI08)
See the HDI08 HPCR Register (Figure D-8) for additional Port B GPIO control bits.