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L99PM72GXP Datasheet(PDF) 124 Page - STMicroelectronics |
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L99PM72GXP Datasheet(HTML) 124 Page - STMicroelectronics |
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124 / 129 page ![]() ST SPI L99PM72GXP 124/129 DocID024767 Rev 4 4 CAN_TO CAN timeout, bit is set if there is no communication on the bus for longer than tsilence Vbat_standby Mode: CAN_TO indicates that there was a transition from PN_TRX_selective_sleep to TRX_SLEEP During TRX_STBY Mode (CAN_ACT = 0, Active Mode and V1_standby Mode (1)) this bit indicates a CAN communication timeout. An interrupt on RxDC/NINT is generated in this case. Bit is latched until a read and clear access 3 WUP Wake up flag for Remote Wake up pattern Bit is latched until a read and clear access 2 WUF Wake up flag for Remote Wake up Frame Bit is latched until a read and clear access 1 CAN_Silent Online monitoring bit to see if there is silence on the bus for longer than tsilence. This flag shows the actual status of the CAN bus (activity/silence). A microcontroller in Stop Mode may check this flag periodically Auto cleared and set 0 FD_ERR Frame Detect Error. This bit is set at overflow of the Frame Error Counter (FECNT) in SR5 In case of a Frame Detect Error, the device will wake up from PN_Trx_selective_sleep Bit is latched until a read and clear access 1. It is recommended to clear the bit CAN_TO prior to transition into V1_standby mode. Table 144. Status register 4, bits (continued) Bit Name Comment Information storage |
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