DSP56303 FREESCALE [Freescale Semiconductor, Inc], DSP56303 Datasheet - Page 275

• Manufacturer Part Number: DSP56303
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

Freescale Semiconductor
Application:
GPIO
Figure B-22. Host Data Direction and Host Data Registers (HDDR, HDR)
Host Data Direction Register (HDDR)
Reset = $00
Host Data Register (HDR)
Reset = Undefined
DRx = 1 → HIx is Output
DRx = 0 → HIx is Input
DRx holds value of corresponding HI08 GPIO pin.
Function depends on HDDR.
15
15
DR15
D15
14
DR14 DR13
14
D14
13
13
D13
12
DR12
12
D12
DR11
11
11
D11
DSP56303 User’s Manual, Rev. 2
DR10
10
10
D10
DR9
9
9
D9
X:$FFFFC9 Write
Port B (HI08)
DR8
8
8
D8
DR7
X:$FFFFC8 Write
D7
7
7
DR6
D6
6
6
DR5
D5
5
5
DR4
D4
4
4
DR3
D3
3
3
Date:
Programmer:
DR2
D2
2
2
DR1
D1
1
1
Programming Sheets
DR0
D0
0
0
Sheet 1 of 4
B-31