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Motor de Búsqueda de Datasheet de Componentes Electrónicos |
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Motor de Búsqueda de Datasheet de Componentes Electrónicos |
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STA339BWS Datasheet(PDF) 65 Page - STMicroelectronics |
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STA339BWS Datasheet(HTML) 65 Page - STMicroelectronics |
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65 / 79 page  DocID015276 Rev 8 65/79 STA339BWS Register description 79 7.11 Device status register (addr 0x2D) This read-only register provides fault and thermal-warning status information from the power control block. Logic value 1 for faults or warning means normal state. Logic 0 means a fault or warning detected on power bridge. The PLLUL = 1 means that the PLL is not locked. D7 D6 D5 D4 D3 D2 D1 D0 PLLUL FAULT UVFAULT Reserved OCFAULT OCWARN TFAULT TWARN Table 73. Status register bits Bit R/W RST Name Description 7 R - PLLUL 0: PLL locked 1: PLL not locked 6 R - FAULT 0: fault detected on power bridge 1: normal operation 5 R - UVFAULT 0: VCCxX internally detected < undervoltage threshold 4 R - Reserved - 3 R - OCFAULT 0: overcurrent fault detected 2 R - OCWARN 0: overcurrent warning 1 R - TFAULT 0: thermal fault, junction temperature over limit 0 R - TWARN 0: thermal warning, junction temperature is close to the fault condition |
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