Stereo System User Manual

4-34 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 0000
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) — — — —