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L9963E Datasheet(PDF) 98 Page - STMicroelectronics |
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L9963E Datasheet(HTML) 98 Page - STMicroelectronics |
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98 / 184 page  • BIST_BAL_COMP_HS_FAIL: if the BIST on the balance open/short comparator of the High Side switches fails (even cells) • BIST_BAL_COMP_LS_FAIL: if the BIST on the balance open/short comparator of the Low Side switches fails (odd cells) Once this step is over, the HWSC_DONE flag will be set in the SPI registers. It must be cleared upon read by MCU. 4.12.3.8 Summary of the routine steps The following table summarizes all the actions performed during routine steps: Table 67. Summary of the voltage conversion routine steps Step Optional Actions Duration Skip based on Failure Cell Conversion No All enabled cells converted + Sum of Cells TCYCLEADC VCELLX_EN VCELLX_UV VCELLX_OV VSUM_UV VSUM_OV VCELLX_BAL_UV (maskable) VBAT Conversion No VBAT pin direct conversion TCYCLEADC VCELLX_EN VBATTCRIT_OV VBATTCRIT_UV GPIO Conversion Yes Conversion of all GPIOs configured as analog input TCYCLEADC_000 GPIOX_CONFIG GPIOX_OT GPIOX_UT GPIOX_fastchg_OT (maskable) GPIO Terminal Diagnostics Yes Open diagnostic on all GPIOs configured as analog input TGPIO_OPEN_SET + TCYCLEADC_000 GPIOX_CONFIG GPIOX_OPEN Cell Terminal Diagnostics Yes Open diagnostic on all terminals connected to enabled cells 2(TCxOPEN_SET + TCYCLEADC) VCELLX_EN CELLX_OPEN Balance Terminal Diagnostics Yes Open diagnostic on balance paths of enabled cells 2TBAL_OL VCELLX_EN BALX_OPEN HardWare Self- Check (HWSC) Yes BIST on all enabled conversion paths + Analog comparators 3TCYCLEADC_000 MUX_BIST_FAIL OPEN_BIST_FAIL GPIO_BIST_FAIL VBAT_COMP_BIST_FAIL VREG_COMP_BIST_FAIL VCOM_COMP_BIST_FAIL VTREF_COMP_BIST_FAIL BIST_BAL_COMP_HS_FAIL BIST_BAL_COMP_LS_FAIL L9963E Voltage conversion routine DS13636 - Rev 12 page 98/184 |
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