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FS26 Datenblatt(PDF) 69 Page - NXP Semiconductors

Teilenummer FS26
Bauteilbeschribung  Safety system basis chip with low power for ASIL D/ASIL B
PDF  156 Pages
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FS26 Datenblatt(HTML) 69 Page - NXP Semiconductors

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NXP Semiconductors
FS26
Safety system basis chip with low power for ASIL D/ASIL B
Bit
Bit Group Name
Description
Value
Settings
1h
DFS entry disabled
0h
16 MHz
1h
17 MHz
2h
18 MHz
6 to 5
CLK_FREQ_OTP[1:0]
Clock frequency selection
FOSC_HIGH
3h
19 MHz
0h
Bypass disabled
1h
Bypass slot 1 to 6
2h
Bypass slot 2 to 6
3h
Bypass slot 3 to 6
4h
Bypass slot 4 to 6
5h
Bypass slot 5 to 6
6h
Bypass slot 6
4 to 2
SLOT_BYP_OTP[2:0]
Power-up slot bypass
7h
Bypass disabled
0h
250 µs
1h
500 µs
2h
1000 µs
1 to 0
TSLOT_OTP[1:0]
Power up slot time
3h
2000 µs
Table 70. OTP_SYS_CFG2 register bit description...continued
Go to main OTP configuration map
17.2.3 OTP_SYS_CFG3
Bit
Bit Group Name
Description
Value
Settings
0h
GPIO2 is not driven by VCORE_PGOOD
7
GPIO2_VCORE_PGOOD_OTP
GPIO2 VCORE_PGOOD
1h
GPIO2 is driven by VCORE_PGOOD
0h
GPIO2 LS active high
6
GPIO2_MODE_OTP
GPIO2 Low Side polarity
1h
GPIO2 LS active low
0h
GPIO1 LS active high
5
GPIO1_MODE_OTP
GPIO1 Low Side polarity
1h
GPIO1 LS active low
0h
VREF pin lift detection enabled
4
VREF_PLIFT_DIS_OTP
VREF pin lift detection
1h
VREF pin lift detection disabled
0h
LDO2 pin lift detection enabled
3
LDO2_PLIFT_DIS_OTP
LDO2 pin lift detection
1h
LDO2 pin lift detection disabled
0h
LDO1 pin lift detection enabled
2
LDO1_PLIFT_DIS_OTP
LDO1 pin lift detection
1h
LDO1 pin lift detection disabled
0h
Auto Transition from VPRE to VSUP
when VPRE < VPRE_UVBOS
1 to 0
BOS_IN_OTP[1:0]
BOS input selection
1h
Force BOS input to VSUP always
Table 71. OTP_SYS_CFG3 register bit description
Go to main OTP configuration map
17.2.4 OTP_VBST_CFG1
Bit
Bit Group Name
Description
Value
Settings
7 to 6
VBST_MAX_DC_OTP[1:0]
VBST maximum duty cycle
0h
72.5 %
Table 72. OTP_VBST_CFG1 register bit description
FS26_SDS
All information provided in this document is subject to legal disclaimers.
© 2025 NXP B.V. All rights reserved.
Product short data sheet
Rev. 6.0 — 12 December 2025
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