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H8S/2218 数据表(PDF) 314 Page - Renesas Technology Corp |
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H8S/2218 数据表(HTML) 314 Page - Renesas Technology Corp |
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314 / 750 page  Section 8 I/O Ports Rev.6.00 Jun. 03, 2008 Page 266 of 698 REJ09B0074-0600 Table 8.87 PF1 Pin Function Operating Mode Modes 4 to 6 Mode 7 BRLE 0 1 ⎯ PF1DDR 0 1 ⎯ 0 1 Pin Function PF1 input pin PF1 output pin BACK output pin PF1 input pin PF1 output pin Table 8.88 PF0 Pin Function Operating Mode Modes 4 to 6 Mode 7 BRLE 0 1 ⎯ PF0DDR 0 1 ⎯ 0 1 PF0 input pin PF0 output pin BREQ input pin PF0 input pin PF0 output pin Pin Function IRQ2 input pin* Note: * When this pin is used as an external interrupt input pin, this pin must not be used as an I/O pin for another function. Pin Functions of H8S/2212 Group The port F is a 3-bit I/O port. Port F pins also function as external interrupt input ( IRQ2, IRQ3) pins and system clock output ( φ) pins. The correspondence between the register specification and the pin functions is shown below. Table 8.89 PF7 Pin Function PF7DDR 0 1 PF7OUT2 to PF7OUT0 ⎯ B'000 B'001 B'010 B'011 Pin Function PF7 input pin φ output pin φ/2 output pin φ/3 output pin φ/4 output pin |
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