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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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ST72F324J Fiches technique(PDF) 100 Page - STMicroelectronics |
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ST72F324J Fiches technique(HTML) 100 Page - STMicroelectronics |
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100 / 156 page  ST72324J/K 100/156 SERIAL COMMUNICATIONS INTERFACE (Cont’d) EXTENDED RECEIVE PRESCALER DIVISION REGISTER (SCIERPR) Read/Write Reset Value: 0000 0000 (00 h) Allows setting of the Extended Prescaler rate divi- sion factor for the receive circuit. Bits 7:0 = ERPR[7:0] 8-bit Extended Receive Prescaler Register. The extended Baud Rate Generator is activated when a value different from 00h is stored in this register. Therefore the clock frequency issued from the 16 divider (see Figure 56) is divided by the binary factor set in the SCIERPR register (in the range 1 to 255). The extended baud rate generator is not used af- ter a reset. EXTENDED TRANSMIT PRESCALER DIVISION REGISTER (SCIETPR) Read/Write Reset Value:0000 0000 (00h) Allows setting of the External Prescaler rate divi- sion factor for the transmit circuit. Bits 7:0 = ETPR[7:0] 8-bit Extended Transmit Prescaler Register. The extended Baud Rate Generator is activated when a value different from 00h is stored in this register. Therefore the clock frequency issued from the 16 divider (see Figure 56) is divided by the binary factor set in the SCIETPR register (in the range 1 to 255). The extended baud rate generator is not used af- ter a reset. 70 ERPR 7 ERPR 6 ERPR 5 ERPR 4 ERPR 3 ERPR 2 ERPR 1 ERPR 0 70 ETPR 7 ETPR 6 ETPR 5 ETPR 4 ETPR 3 ETPR 2 ETPR 1 ETPR 0 |
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