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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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M32C/86 데이터시트(PDF) 230 Page - Renesas Technology Corp |
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M32C/86 데이터시트(HTML) 230 Page - Renesas Technology Corp |
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230 / 505 page  Page 207 9 7 4 f o 5 0 0 2 , 8 0 . p e S 0 0 . 1 . v e R 0 0 1 0 - 4 0 2 0 B 9 0 J E R 17. Serial I/O (Special Function) ) T 6 8 / C 2 3 M , 6 8 / C 2 3 M ( p u o r G 6 8 / C 2 3 M I/O Timer Delay Circuit UARTi Receive Register External Clock Arbitration Detects Start Condition Detects Stop Condition Falling edge detect UARTi Transmission NACK Interrupt Request UARTi Reception ACK Interrupt Request DMA Request 9th Pulse Port reading * When the IICM bit is set to "1", port pin can be read regardless of the direction register being set to "1". i=0 to 4 NOTES: 1. Set the PSj (j=0,1,3), PSLj or PSC register to determine. IICM : Bit in the UiSMR register IICM2 : Bit in the UiSMR2 register LSYN bit Bus Conflict Start Condition Detect Stop Condition Detect Interrupt Request Bus Conflict Detect I/O Noise Filter SDAi SCLi CLK Control Internal Clock UARTi UARTi I/O Timer CLKi Data Register D T Q D T Q D T Q NACK ACK UARTi UARTi R IICM 0 IICM=1 and IICM2=0 0 IICM IICM=1 IICM=0 S R Q Bus busy 1 IICM ALS R S SWC Falling Edge of 9th Pulse IICM=1 and IICM2=0 IICM=0 or IICM2=1 IICM=0 or IICM2=1 SWC2 SDHI To DMA To DMA Transmit Register UARTi (Note1) (Note 1) 1 1 Noise Filter Noise Filter IICM 0 1 0 (Note 1) Q Figure 17.19 I2C Mode Block Diagram |
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