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数据搜索系统，热门电子元器件搜索 |
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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) 237 Page - Renesas Technology Corp |
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HD64F2149YV 数据表(HTML) 237 Page - Renesas Technology Corp |
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237 / 1075 page  Section 8 I/O Ports Rev. 3.00 Jan 18, 2006 page 209 of 1044 REJ09B0280-0300 Table 8.3 MOS Input Pull-Up States (Port 1) Mode Reset Hardware Standby Mode Software Standby Mode In Other Operations 1 Off Off Off Off 2, 3 Off Off On/Off On/Off Legend: Off: MOS input pull-up is always off. On/Off: On when P1DDR = 0 and P1PCR = 1; otherwise off. 8.3 Port 2 8.3.1 Overview Port 2 is an 8-bit I/O port. Port 2 pins also function as address bus output function, 8-bit PWM output pins (PW15 to PW8), and the timer connection output pin (CBLANK). Port 2 functions change according to the operating mode. Port 2 has a built-in MOS input pull-up function that can be controlled by software. Figure 8.5 shows the port 2 pin configuration. |
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