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H8S/2218 数据表(PDF) 292 Page - Renesas Technology Corp |
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H8S/2218 数据表(HTML) 292 Page - Renesas Technology Corp |
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292 / 750 page ![]() Section 8 I/O Ports Rev.6.00 Jun. 03, 2008 Page 244 of 698 REJ09B0074-0600 Table 8.44 PB0 Pin Function Operating mode Modes 4 to 6 Mode 7 AE3 to AE0 Other than B'0000 B'0000 — PB0DDR — 0 1 0 1 Pin Function A8 output pin PB0 input pin PB0 output pin PB0 input pin PB0 output pin Legend: ×: Don't care. 8.7.6 Port B Input Pull-Up MOS States The port B has an on-chip input pull-up MOS function that can be controlled by software. The input pull-up MOS can be specified as the on or off state for individual bits. Table 8.45 summarizes the input pull-up MOS states. Table 8.45 Input Pull-Up MOS States (Port B) Pins Power-On Reset Hardware Standby Mode Manual Reset Software Standby Mode In Other Operations Address output, port output Off Off Port input On/Off Legend: Off: Input pull-up MOS is always off. On/Off: On when PBDDR = 0 and PBPCR = 1; otherwise off. |
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