Motorola DSP56012 User Manual
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DSP56012 User’s Manual
MOTOROLA
Parallel Host Interface
Host Interface (HI)
Table 4-5
HI Registers after Reset (Host Side)
Register
Name
Register
Data
Reset Type
HW
Reset
SW
Reset
IR
Reset
ST
Reset
ICR
$0
INIT
0
0
0
0
HM (1–0)
0
0
0
0
TREQ
0
0
0
0
RREQ
0
0
0
0
HF (1–0)
0
0
0
0
CVR
$1
HC
0
0
0
0
HV (5–0)
$17
$17
$17
$17
ISR
$2
HOREQ
0
0
0
0
DMA
0
0
0
0
HF (3–2)
0
0
—
—
TRDY
1
1
1
1
TXDE
1
1
1
1
RXDF
0
0
0
0
IVR
$3
IV (7–0)
$0F
$0F
—
—
RXH
$5
RXH
(23–16)
—
—
—
—
RXM
$6
RXM (15–8)
—
—
—
—
RXL
$7
RXL (7–0)
—
—
—
—
TXH
$5
TXH
(23–21)
—
—
—
—
TXM
$6
TXM (15–8)
—
—
—
—
TXL
$7
TXL (7–0)
—
—
—
—