Motorola DSP56305 User Manual page 623

Application:
HOST
(HI08)
Figure D-7 Host Control and Host Status Registers
MOTOROLA
Host Receive Interrupt Enable
0 = Disable 1 = Enable if HRDF = 1
Host Transmit Interrupt Enable
0 = Disable 1 = Enable if HTDE = 1
Host Command Interrupt Enable
0 = Disable 1 = Enable if HCP = 1
Host Flag 2
Host Flag 3
Host Control Register (HCR)
X:$FFFFC2 Read /Write
DSP Side
Host Receive Data Full
0 = ÷ Wait 1 = ÷ Read
Host Transmit Data Empty
0 = ÷ Wait 1 = ÷ Write
Host Command Pending
0 = ÷ Wait 1 = ÷ Ready
Host Flags
Read Only
Host Staus Register (HSR)
X:$FFFFC3 Read Only
DSP56305 User's Manual
PROGRAMMING REFERENCE
15 7 6
* * *
0 0 0
Reset = $0
15 7 6
* * *
0 0 0
Reset = $2
= Reserved, Program as 0
*
Date:
Programmer:
Sheet 2 of 6
5 4 3 2 1 0
*
HF3 HF2 HCIE HTIE HRIE
0
5 4 3 2 1 0
*
HF1 HF0 HCP HTDE HRDF
0
D-23