ADSP-219x/2192 DSP Hardware Reference B-17
ADSP-2192 DSP Peripheral Registers
11:10
BUS<1:0>
Bus Mode.
Mode Pin status. Sampled at Power-On Reset (Read-Only).
00= PCI
01= CardBus
10= USB
11= Sub-ISA
12
B5V
AC’97 5V level.
1=
If the AC’97 interface is powered
from nominal 5V; 0 if nominal 3.3V.
13
PCI 5V
PCI 5V level.
1=
If the PCI/ISA/CBUS interface is powered from
nominal 5V; 0 if nominal 3.3V. Monitors the level
of the
PCIVDD
pins (Read Only).
14
Vaux
Vaux Present.
1=
If Vaux is currently powered (Read-Only).
15
PCIRST
PCI Reset.
0=
If PCI/CBUS/ISA
RST
is asserted (which may indi-
cate
D3Cold
powerdown state).
Note: This bit resets to one.
Table B-4. SYSCON Register Bit Descriptions (Continued)
Bit Position
Bit Name
Description