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RE46C191 Datasheet(PDF) 17 Page - Microchip Technology

Part # RE46C191
Description  CMOS Low-Voltage Photoelectric Smoke Detector ASIC with Interconnect and Timer Mode
PDF  44 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

RE46C191 Datasheet(HTML) 17 Page - Microchip Technology

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 2013-2023 Microchip Technology Inc. and its subsidiaries
DS20005225H-page 17
RE46C191
REGISTER 4-1:
CONFIGURATION SETTINGS AND CALIBRATION SETTINGS
W
W
W
W
TS
EOL
LBH
HUSH
bit 43
bit 40
W
W
W
W
W
W
W
W
LTD
LB2
LB1
LB0
IRC1
IRC0
IT1
IT0
bit 39
bit 32
W
W
W
W
W
W
W
W
PAGF1
PAGF0
NL5
NL4
NL3
NL2
NL1
NL0
bit 31
bit 24
W
W
W
W
W
W
W
W
HYL5
HYL4
HYL3
HYL2
HYL1
HYL0
HUL5
HUL4
bit 23
bit 16
W
W
W
W
W
W
W
W
HUL3
HUL2
HUL1
HUL0
CTL5
CTL4
CTL3
CTL2
bit 15
bit 8
W
W
W
W
W
W
W
W
CTL1
CTL0
LTD5
LTD4
LTD3
LTD2
LTD1
LTD0
bit 7
bit 0
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
-n = Value at POR
‘1’ = Bit is set
‘0’ = Bit is cleared
x = Bit is unknown
bit 43
TS: Tone Select
1 = Temporal horn pattern
0 = Continuous horn pattern
bit 42
EOL: End-of-Life Enable
1 = Enable
0 = Disable
bit 41
LBH: Low Battery Hush Enable
1 = Enable
0 = Disable
bit 40
HUSH: Hush Option
1 = Canceled for high smoke level, interconnect alarm or second push of TEST button (as described above)
0 = Never cancel
bit 39
LTD: Long-Term Drift Enable
1 = Enable
0 = Disable
bit 38-36
LB[2:0]: Low Battery Trip Point
000 = 2.1V
001 = 2.2V
010 = 2.3V
011 = 2.4V
100 = 2.5V
101 = 2.6V
110 = 2.7V
111 = 2.8V



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