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SPSB100 Datenblatt(PDF) 125 Page - STMicroelectronics

Teilenummer SPSB100
Bauteilbeschribung  Automotive power management IC for highly integrated processors
PDF  213 Pages
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Hersteller  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

SPSB100 Datenblatt(HTML) 125 Page - STMicroelectronics

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Bit 23
Bit 22
Bit 21
Bit 20
Bit 19
Bit 18
Bit 17
Bit 16
Reserved
BOOST monitor
threshold bit 2
BOOST monitor
threshold bit 1
BOOST monitor
threshold bit 0
Software
debug exit bit
VS undervoltage
early warning
threshold bit 4
VS undervoltage
early warning
threshold bit 3
VS undervoltage
early warning
threshold bit 2
Table 78. DCR4 (0x04) MSB description
Bit
Name
Description
23
RES
Reserved
22 BOOST_DSMON_TH_2
Control BOOST_VDMON_TH
000: 0.3 V
001: 0.5 V
010: 0.7 V
011: 0.9 V
100: 1.1 V
101: 1.3 V
110: 1.5 V
111: 1.7 V
21 BOOST_DSMON_TH_1
20 BOOST_DSMON_TH_0
19
SWDBG_EXIT
This bit is active in software debug mode
1: Forces the device to exit software debug mode
Watchdog restarts with a LOW
0: No action (default)
18
VS_UV_EW_TH_4
VS undervoltage early warning threshold
At VS < VS_EW_TH, an interrupt is generated on IRQ pin and the status bit VS_UV_EW in
SR4 is set (in active mode)
00000: Feature deactivated (default)
00001: 2.5 V
… (0.25 V step)
11111: 10 V
17
VS_UV_EW_TH_3
16
VS_UV_EW_TH_2
Table 79. DCR4 (0x04)
Bit 15
Bit 14
Bit 13
Bit 12
Bit 11
Bit 10
Bit 9
Bit 8
0 (R/W)
0 (R/W)
0 (R/W)
0 (R/W)
0 (R/W)
0 (R/W)
1 (R/W)
0 (R/W)
VS_UV_EW_TH_1
VS_UV_EW_TH_0
FCCU_PROTOCOL
FCCU_STATIC_ERROR
OUTHS_1
OUTHS_0
BYPASS_DSMON_TH_2
BYPASS_DSMON_TH_1
VS undervoltage
early warning
threshold bit 1
VS undervoltage
early warning
threshold bit 0
FCCU protocol bit
FCCU static error bit
OUTHS
configuration
bit 1
OUTHS
configuration
bit 0
BYPASS monitor
threshold bit 2
BYPASS monitor
threshold bit 1
Table 80. DCR4 (0x04) description
Bit
Name
Description
15
VS_UV_EW_TH_1
14
VS_UV_EW_TH_0
13
FCCU_PROTOCOL
1: Toggle (pull-up/down defined by FCCU_STATIC_ERROR)
0: Static (error state defined by FCCU_STATIC_ERROR)
SPSB100
SPI registers
DS14640 - Rev 2
page 125/213



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