ACS8525AT Semtech, ACS8525AT Datasheet - Page 97

• Manufacturer Part Number: ACS8525AT
• Manufacturer: Semtech

Specifications of ACS8525AT

• Lead Free Status / RoHS Status: Compliant

Address (hex):
Address (hex):
Revision 1.00/September 2007 © Semtech Corp.
ADVANCED COMMS & SENSING
Register Name
Register Name
Bit No.
Bit No.
Bit 7
Bit 7
[7:0]
2
1
0
7D (cont...)
7E
cnfg_interrupt
Description
Interrupt GPO_en
(Interrupt General Purpose Output). If the interrupt
output pin is not required, then setting this bit will
allow the pin to be used as a general purpose
output. The pin will be driven to the state of the
polarity control bit, int_polarity.
Interrupt tristate_en
The interrupt can be configured to be either
connected directly to a processor, or wired together
with other sources.
Interrupt int_polarity
The interrupt pin can be configured to be active
High or Low.
cnfg_protection
Description
protection_value
This register can be used to ensure that the
software writes a specific value to this register,
before being able to modify any other register in the
device. Three modes of protection are offered,
(i) protected,
(ii) fully unprotected,
(iii) single unprotected.
When protected, no other register in the device can
be written to. When fully unprotected, any writeable
register in the device can be written to. When single
unprotected, only one register can be written before
the device automatically re-protects itself.
Note...This register cannot be protected.
Bit 6
Bit 6
Bit 5
Bit 5
Description
Description
Bit 4
Bit 4
protection_value
FINAL
Page 97
(R/W) Register to configure
interrupt output.
(R/W) Protection register to
protect against erroneous
software writes.
0000 0000 –
1000 0100
1000 0101
1000 0110
1000 0111 –
1111 1111
Bit Value
Bit Value
Bit 3
Bit 3
0
1
0
1
0
1
Interrupt
GPO_en
Value Description
Interrupt output pin used for interrupts.
Interrupt output pin used for GPO purpose.
Interrupt pin always driven when inactive.
Interrupt pin only driven when active, high-
impedance when inactive.
Active Low - pin driven Low to indicate active
interrupt.
Active High - pin driven High to indicate active
interrupt.
Value Description
Protected mode.
Fully unprotected.
Single unprotected.
Protected mode.
Bit 2
Bit 2
ACS8525A LC/P
Default Value
Interrupt
tristate_en
Default Value
Bit 1
Bit 1
DATASHEET
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0000 0010
Interrupt
int_polarity
1000 0101
Bit 0
Bit 0