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

1514131211109876543210

DR5 DR4 DR3 DR2 DR1 DR0DR6DR15 DR14 DR13 DR12 DR8DR11 DR9DR10
Direction Register
X:$FFFFC8
Reset = $0
(HDDR)
Read/Write
Host Data
DRx = 0
PBx is InputDRx = 1
PBx is Output

1514131211109876543210

D5 D4 D3 D2 D1 D0D6D15 D14 D13 D12 D8D11 D9D10
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 b its.