Figure d-7, Host, Hdi08) – Freescale Semiconductor DSP56366 User Manual
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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