DSP56303 Datasheet, PDF (266/292 Pages) Freescale Semiconductor, Inc – DSP56303 USER’S MANUAL

Programming Reference
Application:
HOST
Host Side
Date:
Programmer:
Sheet 5 of 5
76 5 4 321 0
IV7 IV6 IV5 IV4 IV3 IV2 IV1 IV0
Contains the interrupt vector or number
Interrupt Vector Register (IVR) Host Address: $3 Read/Write
Reset = $0F
Host Transmit Data (usually loaded by program)
7
07
07
07
0
Transmit Low Byte
Transmit Middle Byte
Transmit High Byte
Not Used
0 0000 000
$7
$6
$5
$4
Transmit Byte Registers
Reset = $00
Host Addresses: $7, $6, $5, $4 Write Only
Figure B-13. Interrupt Vector and Host Transmit Data Registers
B-22
DSP56303 User’s Manual, Rev. 2
Freescale Semiconductor