Freescale Semiconductor DSP56366 - Manual (Page 330)

Programming Sheets
DSP56366 24-Bit Digital Signal Processor User Manual, Rev. 4
D-22 Freescale Semiconductor
Figure D-7. Host Control and Status Registers
Application: Date:
Programmer:
Sheet 2 of 6
HOST
7 6 5 4 3 2 1 0 15
* = Reserved, Program as 0
*
0
*
0
*
0
DSP Side
Host Receive Data Full
1 = Read 0 = Wait
HCP HRDF HF1 HTDE HF0
Host Flags
Read Only
Host Command Pending
1 = Ready 0 = Wait
Host Transmit Data Empty
1 = Write 0 = Wait
*
0
8 6 5 4 3 2 1 0 15
*
0
Host Receive Interrupt Enable
1 = Enable 0 = Disable
HCIE HRIE HF3 HTIE HF2
Host Flag 2
Host Command Interrupt Enable
Host Transmit Interrupt Enable
1 = Enable 0 = Disable
*
0
Host Control Register (HCR)
X:$FFFFC2 Read /Write
Reset = $0
if HRDF = 1
if HTDE = 1
1 = Enable 0 = Disable if HCP = 1
Host Flag 3
(HDI08)
7
HDM0 HDM1 HDM2
Host DMA Control Bits
See Table 6-5 in Section 6
8
DMA
DMA status
0 = DMA Mode Disabled
Host Status Register (HSR)
X:$FFFFC3
Reset = $2
1 = DMA Mode Enabled
* = Reserved, Program as 0