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SH7721 Datasheet(PDF) 556 Page - Renesas Technology Corp |
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SH7721 Datasheet(HTML) 556 Page - Renesas Technology Corp |
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556 / 1524 page  Section 13 Power-Down Modes Rev. 3.00 Jan. 18, 2008 Page 494 of 1458 REJ09B0033-0300 (3) Canceling software standby mode by a manual reset CKIO STATUS 1. 2. 3. 4. 5. If a standby mode is canceled by a manual reset, the WDT stops counting. RESETM must be kept low for the PLL oscillation stabilization time. reset : HH (STATUS1 = High, STATUS0 = High) standby : LH (STATUS1 = Low, STATUS0 = High) normal : LL (STATUS1 = Low, STATUS0 = Low) Bcyc : Bus clock cycle Oscillation stops Reset Notes: *2 *4 *3 normal standby reset *1 0 to 20 Bcyc *5 *4 normal RESETM Figure 13.6 STATUS Output When Software Standby Mode is Canceled by a Manual Reset 13.7.3 Sleep Mode (1) Canceling sleep mode by an interrupt CKIO STATUS 1. sleep : HL (STATUS1 = High, STATUS0 = Low) 2. normal : LL (STATUS1 = Low, STATUS0 = Low) Notes: *2 *2 *1 normal sleep normal Interrupt request Figure 13.7 STATUS Output when Sleep Mode is Canceled by an Interrupt |
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