Analog Devices ADSP-219 Series Hardware Reference Manual page 17

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