Freescale Semiconductor DSP56366 - Manual (Page 320)

Host Interface—Quick Reference
DSP56366 24-Bit Digital Signal Processor User Manual, Rev. 4
D-12 Freescale Semiconductor
D.5 Host Interface—Quick Reference
Table D-4. HDI08 Programming Model
Reg
Bit
Comments
Reset Type
Num Mnemonic Name Val Function
HW /
SW
IR ST
DSP SIDE
HCR 0 HRIE Receive Interrupt Enable 0
1
HRRQ interrupt disabled
HRRQ interrupt enabled
0 - -
1 HTIE Transmit Interrupt Enable 0
1
HTRQ interrupt disabled
HTRQ interrupt enabled
0 - -
2 HCIE Host Command Interrupt
Enable 0
1
HCP interrupt disabled
HCP interrupt enabled
0 - -
3 HF2 Host Flag 2 0
4 HF3 Host Flag 3 0 - -
7-5 HDM[2:0] Host DMA Mode 000
100
001
010
011
101
110
111
DMA operation disabled
DMA operation enabled
24-bit host-to-DSP DMA enabled
16-bit host-to-DSP DMA enabled
8-bit host-to-DSP DMA enabled
24-bit DSP-to-host DMA enabled
16-bit DSP-to-host DMA enabled
8-bit DSP-to-host DMA enabled
000