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STPM098C 数据表(PDF) 19 Page - STMicroelectronics |
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STPM098C 数据表(HTML) 19 Page - STMicroelectronics |
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19 / 110 page ![]() 3.2 Device operation state machine Figure 13. Device operational state machine OFF ① POR_DIG = 0 (VREF1≤VREF1_uv_th ) POR_DIG = 1 (VREF1>VREF1_uv_th ) WAIT POR_ANA ② POR_ANA = 1 (VCC>VCC_uv_th) NVM DOWNLOAD ③ NVM Download Completed MBIST MBIST Passed Or Skipped ABIST & DBIST MBIST Failed LOCKUP ( wait POR DIG ) ⑤ All Self-tests completed Or Skipped SAFE STATE ⑥ LOOP ON ⑦ BIST ④ All self-tests passed No “LTC Fault” active No “LTC Faults Flags” set At Least one VR_EN pin = 1 At least One “LTC Fault” detected Both VR_EN pins = 0 RESET ⑧ CLK Frequency Error Or POR_ANA_N = 0 Or Reset request by: - WDOG error Or - RAM/ROM ECC error Or - SYS Reset (from MCU req) CLK Frequency ok And POR_ANA = 1 And Reset released STPM098C Functional description DS14440 - Rev 1 page 19/110 |
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