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WM8352 Datasheet(PDF) 134 Page - Wolfson Microelectronics plc |
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WM8352 Datasheet(HTML) 134 Page - Wolfson Microelectronics plc |
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134 / 336 page  WM8352 Production Data w PD, February 2011, Rev 4.4 134 The status of the DC-DC Converters can be indicated and monitored externally via a GPIO pin configured as /VCC_FAULT (see Section 20). When a GPIO pin is configured as /VCC_FAULT output, a logic low level on this pin indicates that there is a fault condition on one of the LDO Regulators, DC-DC Converters, or the Current Limit switch. The /VCC_FAULT output is configurable by the control fields in Register R215. The fields described in Table 81 determine which of the DC-DCs contribute to the /VCC_FAULT indication. An undervoltage or overvoltage condition on any unmasked DC-DC Converter will cause the /VCC_FAULT output to be set to logic low. ADDRESS BIT LABEL DEFAULT DESCRIPTION R215 (D7h) VCC_FAULT 5 DC6_FAULT 0 DCDC6 fault mask for the /VCC_FAULT 0 = don't mask converter fault 1 = mask converter fault 4 DC5_FAULT 0 DCDC5 fault mask for the /VCC_FAULT 0 = don't mask converter fault 1 = mask converter fault 3 DC4_FAULT 0 DCDC4 fault mask for the /VCC_FAULT 0 = don't mask converter fault 1 = mask converter fault 2 DC3_FAULT 0 DCDC3 fault mask for the /VCC_FAULT 0 = don't mask converter fault 1 = mask converter fault 1 DC2_FAULT DCDC2 fault mask for the /VCC_FAULT 0 = don't mask converter fault 1 = mask converter fault 0 DC1_FAULT DCDC1 fault mask for the /VCC_FAULT 0 = don't mask converter fault 1 = mask converter fault Table 81 DC Converter /VCCFAULT mask bits |
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