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FS23 Scheda tecnica(PDF) 172 Page - NXP Semiconductors |
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FS23 Scheda tecnica(HTML) 172 Page - NXP Semiconductors |
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172 / 230 page ![]() NXP Semiconductors FS23 Safety system basis chip (SBC) with power management, CAN FD and LIN transceivers Bit Symbol Description Configure the watchdog window period 0000 INFINITE time out, window fully opened[1] 0001 1 ms 0010 2 ms 0011 3 ms 0100 4 ms 0101 6 ms 0110 8 ms 0111 12 ms 1000 16 ms 1001 24 ms 1010 32 ms 1011 256 ms (default value) 1100 128 ms 1101 256 ms 1110 512 ms 1111 1024 ms 5 to 8 WDW_PERIOD POR, WD_DISABLE Enable the watchdog window 0 Watchdog window is disabled (watchdog time out) 1 Watchdog window is enabled (watchdog window 50 %) 10 WDW_EN POR, WD_2 to WD_1 FSM transition, WD_0 Enable the watchdog recovery when FCCU fault is detected 0 Watchdog recovery is disabled 1 Watchdog recovery is enabled 11 WDW_REC_EN POR Table 174. FS_WDW_CFG register bit description...continued [1] The value 4b’0000 can be written in INIT phase only. 22.51 FS_WD_TOKEN Bit 15 14 13 12 11 10 9 8 Write - Read WD_TOKEN Reset 0 0 0 0 0 0 0 0 Bit 7 6 5 4 3 2 1 0 Write - Read WD_TOKEN Reset 0 0 0 0 0 0 0 0 Table 175. FS_WD_TOKEN register bit allocation Bit Symbol Description Read watchdog token code 0 to 15 WD_TOKEN 0x5AB2 (default value) or 0xD564 Table 176. FS_WD_TOKEN register bit description FS23 All information provided in this document is subject to legal disclaimers. © 2024 NXP B.V. All rights reserved. Product data sheet Rev. 7.0 — 16 October 2024 Document feedback 172 / 230 |
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