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HT66F0187 Datasheet(PDF) 17 Page - Holtek Semiconductor Inc |
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HT66F0187 Datasheet(HTML) 17 Page - Holtek Semiconductor Inc |
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17 / 192 page  Rev. 1.20 16 ����st 2�� 201� Rev. 1.20 1� ����st 2�� 201� HT66F0187 A/D Flash MCU with EEPROM HT66F0187 A/D Flash MCU with EEPROM A.C. Characteristics Ta=25°C Symbol Parameter Test Conditions Min. Typ. Max. Unit VDD Conditions fSYS System Clock (HXT) 2.2V~ 5.5V f SYS =fHXT=8MHz — 8 — MHz 2.�V~ 5.5V f SYS =fHXT=12MHz — 12 — MHz 4.5V~ 5.5V f SYS =fHXT=20MHz — 20 — MHz System Clock (HIRC) 2.2V~ 5.5V f SYS =fHIRC=8MHz — 8 — MHz 2.�V~ 5.5V f SYS =fHIRC=12MHz — 12 — MHz 4.5V~ 5.5V f SYS =fHXT=16MHz — 16 — MHz System Clock (LXT) 2.2V~ 5.5V f SYS =fLXT=32.�68kHz — 32�68 — Hz System Clock (LIRC) 2.2V~ 5.5V f SYS =fLIRC=32kHz — 32 — kHz fLIRC Low Speed Internal RC Oscillator (LIRC) 3V Ta=25°C -10% 32 +10% kHz 3V ±0.3V Ta=-40°C~85°C -40% 32 +40% kHz 2.2V~ 5.5V Ta=-40°C~85°C -50% 32 +60% kHz 5V Ta=25°C -10% 32 +10% kHz 5V ± 0.5V Ta=-40°C~85°C -40% 32 +40% kHz 2.2V~ 5.5V Ta=-40°C~85°C -50% 32 +60% kHz tTC xTCKn Inp�t Pin Minim�m P�lse Width — — 0.3 — — μs tINT External Interr�pt Minim�m P�lse Width — — 10 — — μs tRSTD System Reset Delay Time (POR Reset� LVR Hardware Reset� LVR Software Reset� WDT Software Reset) — — 25 50 100 ms System Reset Delay Time (WDT Time-o�t Hardware Cold Reset) — — 8.3 16.� 33.3 ms tSST System Start-�p Timer Period (wake-�p from H�LT� fSYS off at H�LT) — fSYS=fSUB=fLXT 128 — — tLXT — fSYS=fH~fH/64� fH=fHXT 128 — — tHXT — fSYS=fH~fH/64� fH=fHIRC 16 — — tHIRC — fSYS=fSUB=fLIRC 2 — — tLIRC System Start-�p Timer Period (wake-�p from H�LT� fSYS on at H�LT State) — fSYS=fH~fH/64� fSYS=fHXT or fHIRC 2 — — tSYS — fSYS=fLXT or fLIRC 2 — — tSYS System Start-�p Timer Period (WDT Time-o�t Hardware Cold Reset) — — 0 — — tH tBGS VBG T�rn On Stable Time — No load — — 150 �s tLVDS LVDO Stable Time — For LVR enable� VBGEN=0� LVD off → on — — 15 μs — For LVR disable� VBGEN=0� LVD off → on — — 150 μs tLVR Minim�m Low Volta�e Width to Reset — — 120 240 480 μs tLVD Minim�m Low Volta�e Width to Interr�pt — — 60 120 240 μs |
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