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TPS8804 Datasheet(PDF) 28 Page - Texas Instruments

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Part # TPS8804
Description  TPS8804 Smoke Alarm AFE
PDF  48 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TPS8804 Datasheet(HTML) 28 Page - Texas Instruments

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TPS8804
SLVSF29 – OCTOBER 2019
www.ti.com
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Copyright © 2019, Texas Instruments Incorporated
Table 6. STATUS1 Register Field Descriptions (continued)
Bit
Field
Type
Reset
Description
5
MCULDO_ERR
RC
0h
MCU LDO power good error
0h = no MCULDO error has occurred
1h
=
MCU_PG=0
and
MCU_EN=1
for
TMCULDO,PG.
MCULDO_ERR is masked for TMCULDO,MASK after VMCUSET or
MCU_DIS has changed
4
OTS_ERR
RC
0h
Thermal shutdown error
0h = no thermal shutdown error has occurred
1h = junction temperature has exceeded T_SHUTDOWN
3
OTS_WRN
RC
0h
Thermal warning flag
0h = no thermal warning has occurred
1h = junction temperature has exceeded T_WARNING
2-1
RESERVED
R
0h
Reserved
0
SLC_RX
RC
0h
SLC_RX status
0h = deglitched SLC_RX is low or SLCRX_EN=0
1h = deglitched SLC_RX is high and SLCRX_EN=1
7.6.3 STATUS2 Register (Offset = 2h) [reset = 0h]
STATUS2 is shown in Table 7.
Return to Summary Table.
Table 7. STATUS2 Register Field Descriptions
Bit
Field
Type
Reset
Description
7-2
RESERVED
R
0h
Reserved
1
MCU_PG
R
0h
MCU LDO power good indicator
0h = MCU LDO is below power good threshold or MCU_DIS=1
1h = MCU LDO is above power good threshold and MCU_DIS=0
0
RESERVED
R
0h
Reserved
7.6.4 MASK Register (Offset = 3h) [reset = 0h]
MASK is shown in Table 8.
Return to Summary Table.
Table 8. MASK Register Field Descriptions
Bit
Field
Type
Reset
Description
7
RESERVED
R
0h
Reserved
6
VCCLOWM
R/W
0h
VCC low warning interrupt mask
0h = interrupt on VCC low
1h = no interrupt on VCC low
5
MCULDO_ERRM
R/W
0h
MCU LDO power good error interrupt mask
0h = interrupt on MCULDO power good error
1h = no interrupt on MCULDO power good error
4
OTS_ERRM
R/W
0h
Thermal shutdown error interrupt mask
0h = interrupt on thermal shutdown error
1h = no interrupt on thermal shutdown error
3
OTS_WRNM
R/W
0h
Thermal warning flag interrupt mask
0h = interrupt on thermal warning
1h = no interrupt on thermal warning
2-1
RESERVED
R
0h
Reserved



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