a8292 Allegro MicroSystems, Inc., a8292 Datasheet - Page 11

• Manufacturer Part Number: a8292
• Description: Dual Lnb Supply And Control Voltage Regulator
• Manufacturer: Allegro MicroSystems, Inc.

A8292
terrupt. All these bits are continually updated, apart from the DIS
bit, which changes when the LNB is either disabled, intentionally
or due to a fault, or is enabled.
connected to the interrupt line in sequence, and then reads the sta-
tus register to determine which device is requesting attention. The
A8292 latches all conditions in the Status register until the comple-
tion of the data read. The action at the resampling point is further
defined in the Status Register section. The bits in the Status
The DIS, PNG, CAD and TDET status bits do not cause an in-
When the master recognizes an interrupt, it addresses all slaves
Dual LNB Supply and Control Voltage Regulator
register are defined such that the all-zero condition indicates that
the A8292 is fully active with no fault conditions.
does not respond to any requests until the internal logic supply
V
point, the IRQ output goes active, and the VUV bit is set. After the
A8292 acknowledges the address, the IRQ flag is reset. After the
master reads the status registers, the registers are updated with the
VUV reset.
REG
When V
has reached its operating level. Once V
IN
is initially applied, the I
115 Northeast Cutoff, Box 15036
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 [phone]
www.allegromicro.com
2
C™-compatible interface
REG
has reached this
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