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H8/3003 Datasheet(PDF) 288 Page - Renesas Technology Corp |
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H8/3003 Datasheet(HTML) 288 Page - Renesas Technology Corp |
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288 / 715 page ![]() 9.9.3 Pin Functions The port B pins are also used for TPC output (TP15 to TP8), ITU input/output (TIOCB4, TIOCB3, TIOCA4, TIOCA3) and output (TOCXB4, TOCXA4), DMAC input (DREQ1, DREQ0), and ADTRG input. Table 9-16 describes the selection of pin functions. Table 9-16 Port B Pin Functions Pin Pin Functions and Selection Method PB7/TP15/DREQ1/ DMAC channel 1 settings (bits DTS2/1/0A and DTS2/1/0B in DTCR1A and ADTRG DTCR1B), bit TRGE in ADCR, bit NDER15 in NDERB, and bit PB7DDR in PBDDR select the pin function as follows PB7DDR 0 1 1 NDER15 — 0 1 Pin function PB7 input PB7 output TP15 output DREQ1 input*1 ADTRG input*2 Notes: 1. DREQ1 input under DMAC channel 1 settings 1 in the table below. 2. ADTRG input when TRGE = 1. DMAC channel 1 settings 2 121221 DTS2A, DTS1A Not both 1 Both 1 DTS0A — 00111 DTS2B 01101011 DTS1B — 0 1 — — — 0 1 270 |
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