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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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M16C/29 датащи(PDF) 462 Page - Renesas Technology Corp |
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M16C/29 датащи(HTML) 462 Page - Renesas Technology Corp |
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462 / 499 page  p u o r G 9 2 / C 6 1 M 22. Usage Notes page 438 8 5 4 f o 7 0 0 2 , 0 3 .r a M 2 1 . 1 . v e R 2 1 1 0 - 1 0 1 0 B 9 0 J E R 22.8.2 UART Mode 22.8.2.1 Special Mode 1 (I2C bus Mode) When generating start, stop and restart conditions, set the STSPSEL bit in the U2SMR4 register to 0 and wait for more than half cycle of the transfer clock before setting each condition generate bit (STAREQ, RSTAREQ and STPREQ) from 0 to 1. 22.8.2.2 Special Mode 2 _____ If a low-level signal is applied to the SD pin when the IVPCR1 bit in the TB2SC register is set to 1 _____ (three-phase output forcible cutoff by input on SD pin enabled), the RTS2 and CLK2 pins go to a high- impedance state. 22.8.2.3 Special Mode 4 (SIM Mode) A transmit interrupt request is generated by setting the U2C1 register U2IRS bit to 1 (transmission complete) and U2ERE bit to 1 (error signal output) after reset. Therefore, when using SIM mode, be sure to clear the IR bit to 0 (no interrupt request) after setting these bits. 22.8.3 SI/O3, SI/O4 The SOUTi default value which is set to the SOUTi pin by the SMi7 bit approximately 10ns may be output when changing the SMi3 bit from 0 (I/O port) to 1 (SOUTi output and CLKfunction) while the SMi2 bit in the SiC (i=3 and 4) to 0 (SOUTi output) and the SMi6 bit is set to 1 (internal clock). And then the SOUTi pin is held high-impedance. If the level which is output from the SOUTi pin is a problem when changing the SMi3 bit from 0 to 1, set the default value of the SOUTi pin by the SMi7 bit. |
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