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HD6432142 Datasheet(PDF) 308 Page - Renesas Technology Corp |
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HD6432142 Datasheet(HTML) 308 Page - Renesas Technology Corp |
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308 / 1177 page  Section 8 I/O Ports Rev. 4.00 Sep 27, 2006 page 264 of 1130 REJ09B0327-0400 Pin Selection Method and Pin Functions P90/ LWR/IRQ2/ ADTRG/ECS2 The pin function is switched as shown below according to the combination of operating mode, bit ABW in WSCR, bits HI12E and CS2E in SYSCR2, bit FGA20E in HICR, and bit P90DDR. Operating mode Modes 1, 2, 3 (EXPE = 1) Modes 2, 3 (EXPE = 0) ABW 0 1 — HI12E — Any one 0 1 FGA20E — 1 CS2E — 1 P90DDR — 0 101 — Pin function LWR output pin P90 input pin P90 output pin P90 input pin P90 output pin ECS2 input pin IRQ2 input pin, ADTRG input pin When the IRQ2E bit in IER is set to 1 in mode 1, 2, or 3 (EXPE = 1) with the ABW bit in WSCR set to 1, or in mode 2 and 3 (EXPE = 0), this pin is used as the IRQ2 input pin. When TRGS1 and TRGS0 in ADCR of the A/D converter are both set to 1, this pin is used as the ADTRG input pin. |
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