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HT46RU67 Datasheet(PDF) 8 Page - Holtek Semiconductor Inc |
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HT46RU67 Datasheet(HTML) 8 Page - Holtek Semiconductor Inc |
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8 / 68 page  HT46RU67/HT46CU67 Rev. 1.30 8 2014-06-10 交流电气特性 Ta=25℃ 符号 参数 测试条件 最小 典型 最大 单位 VDD 条件 fSYS1 系统时钟 (晶体振荡，RC 振荡) — 2.2V~5.5V 400 — 4000 kHz — 3.3V~5.5V 400 — 8000 fSYS2 系统时钟 (32768Hz 晶体振荡) — 2.2V~5.5V — 32768 — Hz fRTCOSC RTC 频率 — — — 32768 — Hz fTIMER 定时器输入频率 (TMR0/TMR1) — 2.2V~5.5V 0 — 4000 kHz — 3.3V~5.5V 0 — 8000 tWDTOSC 看门狗振荡器周期 3V — 45 90 180 μs 5V — 32 65 130 tRES 外部复位低电平脉宽 — — 1 — — μs tSST 系统启动延迟时间 — 上电或从 HALT 状态唤醒 — 1024 — tSYS tLVR 低电压复位时间 — — 0.25 1 2 ms tINT 中断脉冲宽度 — — 1 — — μs tAD A/D 时钟周期 — — 1 — — μs tADC A/D 转换时间 — — — 80 — tAD tADCS A/D 采样时间 — — — 32 — tAD 注：t SYS =1/fSYS1 或 1/fSYS2 |
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