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ST72325AR7-Auto 데이터시트(PDF) 150 Page - STMicroelectronics |
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ST72325AR7-Auto 데이터시트(HTML) 150 Page - STMicroelectronics |
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150 / 243 page ![]() Obsolete Product(s) - Obsolete Product(s) Serial communications interface (SCI) ST72325xxx-Auto 150/243 Doc ID 13770 Rev 3 Figure 67. Bit sampling in reception mode 15.5 Low power modes 15.6 Interrupts The SCI interrupt events are connected to the same interrupt vector. These events generate an interrupt if the corresponding Enable Control Bit is set and the interrupt mask in the CC register is reset (RIM instruction). RDI LINE Sample clock 12345678910 11 12 13 14 15 16 sampled values One bit time 6/16 7/16 7/16 Table 72. Effect of low power modes on SCI Mode Effect Wait No effect on SCI. SCI interrupts cause the device to exit from Wait mode. Halt SCI registers are frozen. In Halt mode, the SCI stops transmitting/receiving until Halt mode is exited. Table 73. SCI interrupt control/wake-up capability Interrupt event Event flag Enable control bit Exit from Wait Exit from Halt Transmit Data Register Empty TDRE TIE Yes No Transmission Complete TC TCIE Yes No Received Data Ready to be Read RDRF RIE Yes No Overrun Error Detected OR Yes No |
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