External Port Registers
A-20 ADSP-21368 SHARC Processor Hardware Reference
AMI Status Register (AMISTAT)
This 32-bit, read-only register provides status information for the AMI
interface and can be read at any time. This register is shown in Figure A-7.
Figure A-7. AMISTAT Register
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
0000000000000000
AMIMS
AMIRXS
AMI External Receive Register (AMIRX) Status
1=Receive register has valid data
0=Receive register empty
Reserved (Bits 31–4)
AMI External Transmit Register (AMITX) Status
1=Transmit register has valid data
0=Transmit register empty
AMI Master
1=AMI controls the external
pins
0=SDC controls the exter-
nal pins
AMIS
External Interface Status
1=AMI access pending
0=AMI interface idle
AMITXS
AMISTAT (0x180A)
To Next Page
Loading...
