ACS8520 View Datasheet(PDF) - Semtech Corporation
Part Name
Description
MFG CO.
'ACS8520' PDF : 150 Pages View PDF
ACS8520 SETS
ADVANCED COMMUNICATIONS
Address (hex): 7D (cont...)
Register Name cnfg_interrupt
FINAL
Description
(R/W) Register to configure
interrupt output.
DATASHEET
Default Value 0000 0010
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
GPO_en
Bit 1
tristate_en
Bit 0
int_polarity
Bit No.
Description
Bit Value Value Description
0
int_polarity
The interrupt pin can be configured to be active
High or Low.
0
Active Low - pin driven Low to indicate active
interrupt.
1
Active High - pin driven High to indicate active
interrupt.
Address (hex): 7E
Register Name cnfg_protection
Description
(R/W) Protection register to
protect against erroneous
software writes.
Default Value 1000 0101
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
protection_value
Bit 2
Bit 1
Bit 0
Bit No.
Description
Bit Value Value Description
[7:0]
protection_value
0000 0000 –
This register can be used to ensure that the
1000 0100
software writes a specific value to this register,
before being able to modify any other register in the 1000 0101
device. Three modes of protection are offered,
(i) protected
1000 0110
(ii) fully unprotected
(iii) single unprotected.
1000 0111 –
When protected, no other register in the device can 1111 1111
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.
Protected mode.
Fully unprotected.
Single unprotected.
Protected mode.
Revision 3.02/October 2005 © Semtech Corp.
Page 131
www.semtech.com
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