Programming Model Quick Reference; Hi08 Programming Model, Dsp Side - Motorola DSP56303 User Manual

Programming Model Quick Reference

6.8 Programming Model Quick Reference
Table 6-19 summarizes the HI08 programming model.
Register
Bit
Bit
No.
HCR 0 HRIE
1 HTIE
2 HCIE
3 HF2
4 HF3
0 HGEN
HPCR
1 HA8EN
2 HA9EN
3 HCSEN Host Chip Select
4 HREN
5 HAEN
6 HEN
7 —
6-32
Table 6-19. HI08 Programming Model, DSP Side
Bit
Name Value
Receive Interrupt 0
Enable 1
Transmit Interrupt 0
Enable 1
Host Command 0
Interrupt Enable 1
Host Flag 2
Host Flag 3
Host GPIO Enable 0
1
Host Address Line 0
8 Enable 1
Host Address Line 0
9 Enable 1
0
Enable 1
Host Request
Enable
0
1
Host Acknowledge
Enable
0
1
Host Enable 0
1
Reserved 0
DSP56303 User's Manual
Function
HRRQ interrupt disabled
HRRQ interrupt enabled
HTRQ interrupt disabled
HTRQ interrupt enabled
HCP interrupt disabled
HCP interrupt enabled
GPIO signal disconnected
GPIO signals active
HA8/A1 = GPIO
HA8/A1 = HA8
HA9/A2 = GPIO
HA9/A2 = HA9
HCS/A10 = GPIO
HCS/A10 = HCS
HDRQ = 0
HDRQ = 1
HREQ/HTRQ = GPIO HREQ/HTRQ
HACK/HRRQ = GPIO
HREQ/HTRQ =
HREQ,HREQ/HTRQ
HACK/HRRQ = HTRQ, HRRQ
HDRQ = 0
HDRQ=1
HACK/HRRQ = GPIO HREQ/HTRQ
HACK/HRRQ = GPIO
HACK/HRRQ = HACK
HREQ/HTRQ
HACK/HRRQ = HTRQ, HRRQ
Host Port = GPIO
Host Port Active
Reserved
Reset Type
HW/ Indivi-
STOP
SW dual
0 — —
0 — —
0 — —
0
0 — —
0 — —
0 — —
0 — —
0 — —
0 — —
0 — —
0 — —
0 — —