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TMPR3916 Datasheet(PDF) 141 Page - Toshiba Semiconductor |
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TMPR3916 Datasheet(HTML) 141 Page - Toshiba Semiconductor |
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141 / 225 page ![]() Chapter 7 CAN Module (TXCAN) Preliminary 7-20 The free running time stamp counter and the time stamp hold register will be cleared in the following cases: • After reset (power-up reset or software reset) • When the module enters configuration mode • When the module enters sleep mode • When a write access to the time stamp prescale register is performed 7.2.9 Status Registers Global Status Register (GSR) Bit 1514 131211 10 9 8 Name MsgInSlot RM TM SUA Bit 7 6 543 210 Name CCE SMA TSO BO EP EW Bit Name Function Reset Value Mode 15:12 Msg InSlot Message In Slot 1111 = No transmit message in slot 0000 = Message 0 is in the transmission slot ... 1110 = Message 14 is in the transmission slot 1111 R 11 RM Receive Mode 1 = TXCAN is receiving a message. That means TXCAN is not the transmitter of the message and the bus is not idle. 0 = The CAN module is not receiving a message 0 R 10 TM Transmit Mode 1 = TXCAN is transmitting a message. The module stays transmitter until the bus is idle or it loses arbitration. 0 = The CAN module is not transmitting a message 0 R 9 Wired to zero 0R 8 SUA Suspend Mode Acknowledge 1 = TXCAN is in suspend mode 0 = TXCAN is not in suspend mode 0 R 7 CCE Change Configuration Enable 1 = The MCU is allowed to do write accesses to the configuration registers. 0 = Write accesses to the configuration registers are denied. 1 R 6 SMA Sleep Mode Acknowledge 1 = TXCAN has entered the sleep mode. 0 = Normal operation 0 R 5 Wired to zero 0R 4 Wired to zero 0R 3 TSO Time Stamp Overflow Flag 1 = There was at least one overflow of the time stamp counter since this bit has been cleared. To clear this bit, clear the TSOIF bit in the GIF register. 0 = There was no overflow of the time stamp counter 0 R |
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