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L9963E 数据表(PDF) 162 Page - STMicroelectronics |
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L9963E 数据表(HTML) 162 Page - STMicroelectronics |
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162 / 184 page  6.12.2 Transceiver pinout The following table lists pin functions and external connections for transceiver usage: Table 85. Pinout description for transceiver mode Pin Type(1) Connect to Comments VBAT P VDD5 NPNDRV AO Leave Floating VREG regulator internally disabled VREG P VDD5 VCOM P VDD5 VCOM regulator internally disabled VANA P Tank capacitor Same tank as in BMS mode. Refer to Table 73 FAULTH DI AFE circuitry Same analog front end as in BMS mode (refer to Table 79). The only exception is RFLT_PD = 47 kΩ instead of 18 kΩ ISOHp DIO AFE circuitry Same analog front end as in BMS mode. Refer to Table 73 ISOHm DIO AFE circuitry VTREF P VDD5 VTREF regulator internally disabled CAP1 P Leave Floating Bootstrap internally disabled CAP2 P Leave Floating GPIO3-6 AI GND WAKEUP DI Microcontroller Digital Output GPIO7 is used as wakeup input determining operation in Sleep/Normal states SCK DI Microcontroller SCK Lower port is forced to operate as SPI, regardless of the SPIEN pin. However, to add robustness, the SPIEN pin must be connected to VDD5, thus adding some redundancy SDO DO Microcontroller SDI NCS DI Microcontroller CS SDI DI Microcontroller SDO FAULTL DO Microcontroller Digital Input Propagates the FAULTH signal SPIEN DI VDD5 Lower port is forced to operate as SPI ISENSEp AI GND Current sense interface is disabled ISENSEm AI AGND G GND DGND G GND CGND G GND GNDREF G GND CX AI GND Cell measurement is disabled SX AO Leave Floating Cell balancing is disabled BX+1_X AO Leave Floating 1. P = Power supply, AO = Analog Output, DI = Digital Input, DIO = Digital Input/Output, AI = Analog Input, DO = Digital Output, G = Ground. L9963E Transceiver mode DS13636 - Rev 12 page 162/184 |
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