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L9963E 数据表(PDF) 102 Page - STMicroelectronics |
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L9963E 数据表(HTML) 102 Page - STMicroelectronics |
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102 / 184 page ![]() 5 Register map The following paragraph contains the device register map. Table 71. Register map legend Field Value Description Type RO Read Onlu RW Read/Write WO Write Only RLR Latch Clear on Read Reset Sources A POR Standby B POR Main X Undefined Table 72. SPI register map Register Name Field name Description DEV_GEN_CFG 0x1 chip_ID RW 13 5 0x0 A All 0s → No address (Init state) X → Dev ID of SPI Protocol (L9963E SPI Protocol Details) isotx_en_h RW 12 1 0x0 A 0 → ISOH port disabled 1 → ISOH port enabled out_res_tx_iso RW 10 2 0x0 A Selects ISOH/L port differential signal amplitude See Table 18 iso_freq_sel RW 8 2 0x0 B Selects ISOH/L port carrier frequency See Table 18 Noreg7 RO 7 1 0x0 X HeartBeatCycle RW 4 3 0x4 A Selects heartbeat period See Table 37 FaultH_EN RW 3 1 0x0 A Enables FAULTH receiver See Table 36 HeartBeat_En RW 2 1 0x0 B Enables Heartbeat generation See Table 36 Farthest_Unit RW 1 1 0x0 A Configures the unit as the stack topmost See Table 36 FaultL_force RW 0 1 0x0 B 0 → FAULTL not forced high 1 → FAULTL forced high L9963E Register map DS13636 - Rev 12 page 102/184 |
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