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FS26 Datenblatt(PDF) 56 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) 56 Page - NXP Semiconductors

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NXP Semiconductors
FS26
Safety system basis chip with low power for ASIL D/ASIL B
Bit
7
6
5
4
3
2
1
0
Write
RETRY_CLR
0
0
INTB_TEST
INT_PWIDTH
FSS_FMOD
0
FSS_EN
Read
RESERVED
RESERVED
RESERVED
RESERVED
INT_PWIDTH
FSS_FMOD
RESERVED
FSS_EN
Reset
0
0
0
0
0
0
0
0
Go to main register map
Bit
Symbol
Value
Description
RETRY_CNT[7:0] indicates the total number of retries attempts (value)
RETRY_CNT[7:4] indicates the current duration between two retries (description)
0xh
100 ms (default)
1xh
200 ms
2xh
400 ms
3xh
800 ms
4xh
1600 ms
5xh
3200 ms
6xh
6400 ms
7xh
12800 ms
8xh
25600 ms
9xh
51200 ms
Axh
102400 ms
Bxh
204800 ms
Cxh
409600 ms
Dxh
819200 ms
Exh
1638400 ms
Fxh
3276800 ms
15 to 8
RETRY_CNT[7:0]
Reset on power-on reset (POR_M) or RETRY_CLR write 1
Clear retry counter RETRY_CNT[7:0]
0h
No effect
1h
Clear retry counter
7
RETRY_CLR
Reset on power-on reset (POR_M), self-clear
Manual test of INTB
0h
No effect
1h
Enable manual test. Generate a pulse of duration tINTB_PULSE at INTB pin for test purpose.
4
INTB_TEST
Reset on power-on reset (POR_M), self-clear
INTB pulse duration tINTB_PULSE
0h
25 μs (default)
1h
100 μs
3
INT_PWIDTH
Reset on power-on reset (POR_M)
Frequency modulation FOSC_MOD during Frequency Spread Spectrum Operation
0h
High-frequency oscillator divided by 768 (default)
1h
High-frequency oscillator divided by 192
2
FSS_FMOD
Reset on power-on reset (POR_M)
Frequency Spread Spectrum enable
0h
FSS is disabled (default)
1h
FSS is enabled
0
FSS_EN
Reset on power-on reset (POR_M)
Table 43. M_SYS_CFG 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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