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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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HD6417618 датащи(PDF) 257 Page - Renesas Technology Corp |
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HD6417618 датащи(HTML) 257 Page - Renesas Technology Corp |
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257 / 646 page  Section 10 Power-Down Modes Rev. 6.00 Jun. 12, 2007 Page 225 of 610 REJ09B0131-0600 WTCNT value H'FF H'80 Time Interrupt request WDT overflow and branch to interrupt handling routine Crystal oscillator settling time and PLL synchronization time Clear bit STBCR.STBY before WTCNT reaches H'80. When STBCR.STBY is cleared, WTCNT halts automatically. Figure 10.1 Canceling Standby Mode with STBY Bit in STBCR Canceling with Reset: Software standby mode is canceled by a power-on reset. Keep the RES pin low until the clock oscillation settles. The internal clock will continue to be output to the CKIO pin. 10.6 Module Standby Mode 10.6.1 Transition to Module Standby Mode Setting the MSTP bits in the standby control registers (STBCR2 to STBCR4) to 1 halts the supply of clocks to the corresponding on-chip peripheral modules. This function can be used to reduce the power consumption in normal mode. In module standby mode, the states of the external pins of the on-chip peripheral modules change depending on the on-chip peripheral module and port settings. Almost all of the registers retains its previous state. 10.6.2 Canceling Module Standby Function The module standby function can be canceled by clearing the MSTP bits in STBCR2 to STBCR4 to 0, or by a power-on reset. |
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