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数据搜索系统，热门电子元器件搜索 |
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HD64F2149YV 数据表(PDF) 253 Page - Renesas Technology Corp |
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HD64F2149YV 数据表(HTML) 253 Page - Renesas Technology Corp |
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253 / 1075 page  Section 8 I/O Ports Rev. 3.00 Jan 18, 2006 page 225 of 1044 REJ09B0280-0300 Pin Selection Method and Pin Functions P41/TMO0/RxD2/ IrRxD The pin function is switched as shown below according to the combination of bits OS3 to OS0 in TCSR of TMR0, bit RE in SCR of SCI2 and bit P41DDR. OS3 to OS0 All 0 Not all 0 RE 0 1 0 P41DDR 0 1 —— Pin function P41 input pin P41 output pin RxD2/IrRxD input pin TMO0 output pin When this pin is used as the TMO0 output pin, bit RE in SCR of SCI2 must be cleared to 0. P40/TMCI0/TxD2/ IrTxD The pin function is switched as shown below according to the combination of bit TE in SCR of SCI2 and bit P40DDR. TE 0 1 P40DDR 0 1 — Pin function P40 input pin P40 output pin TxD2/IrTxD output pin TMCI0 input pin When an external clock is selected with bits CKS2 to CKS0 in TCR0 of TMR0, this pin is used as the TMCI0 input pin. |
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