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データシートサーチシステム |
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H8SX/1663R データシート(PDF) 127 Page - Renesas Technology Corp |
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H8SX/1663R データシート(HTML) 127 Page - Renesas Technology Corp |
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127 / 1504 page  Section 4 Resets Rev. 2.00 Sep. 24, 2008 Page 95 of 1468 REJ09B0412-0200 Section 4 Resets 4.1 Types of Resets There are three types of resets: a pin reset, power-on reset*, voltage-monitoring reset*, deep software standby reset, and watchdog timer reset. Table 4.1 shows the reset names and sources. The internal state and pins are initialized by a reset. Figure 4.1 shows the reset targets to be initialized. When using power-on reset* and voltage monitoring reset*, RES pin must be fixed high. Table 4.1 Reset Names And Sources Reset Name Source Pin reset Voltage input to the RES pin is driven low. Power-on reset* Vcc rises or lowers Voltage-monitoring reset* Vcc falls (voltage detection: Vdet) Deep software standby reset Deep software standby mode is canceled by an interrupt. Watchdog timer reset The watchdog timer overflows. Note: * Supported only by the H8SX/1668M Group. |
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