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ST72345 Datasheet(PDF) 108 Page - STMicroelectronics |
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ST72345 Datasheet(HTML) 108 Page - STMicroelectronics |
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108 / 191 page  ST72340, ST72344, ST72345 108/191 SCI SERIAL COMMUNICATION INTERFACE (Cont’d) 11.5.5 Low Power Modes 11.5.6 Interrupts The SCI interrupt events are connected to the same interrupt vector. These events generate an interrupt if the corre- sponding Enable Control Bit is set and the inter- rupt mask in the CC register is reset (RIM instruc- tion). Mode Description 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/re- ceiving until Halt mode is exited. Interrupt Event Event Flag Enable Control Bit Exit from Wait Exit from Halt Transmit Data Register Empty TDRE TIE Yes No Transmission Com- plete TC TCIE Received Data Ready to be Read RDRF RIE Overrun Error Detect- ed OR Idle Line Detected IDLE ILIE Parity Error PE PIE |
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