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HT66F4530 Datasheet(PDF) 165 Page - Holtek Semiconductor Inc |
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HT66F4530 Datasheet(HTML) 165 Page - Holtek Semiconductor Inc |
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165 / 224 page  Rev. 1.00 1�4 De�e��e� �1� �01� Rev. 1.00 1�5 De�e��e� �1� �01� HT66F4530/HT66F4540/HT66F4550 A/D Flash MCU with Dual Operational Amplifiers HT66F4530/HT66F4540/HT66F4550 A/D Flash MCU with Dual Operational Amplifiers Operational Amplifiers and Comparators ThesedevicesincludetwofullyintegratedOperationalAmplifiersandtwoComparatorsaswellas three8-bitD/AConverters,whichcanbeusedforapplicationswhichneedtointerfacetoexternal sensors.Thefollowingblockdiagramillustratestheseinternalanalogfunctions. SDS10 OPAMP1 - + S4 S5 S3 SDA1EN SDS4 SDDA0L 8-bit DAC0 SDDAC0O A0NI SDDAC0EN OPAMP0 - + S1 S2 S0 A0PI SDS1 SDA0EN A0O SDA0O SDA0OFM SDS0 SDS8 OPA0O SDS3 SDS5 SDS6 A1PI SDS2 R1 R2 SDDA2L 8-bit DAC2 SDDAC2EN C1NI SDS12 SDC0DEB[1:0] A1NI SDDAC0O SDS7 C1XO CMP1 - + SDC1POL SDC1OUT Debounce1 SDC1O SDC1DEB[1:0] fSYS C1PI SDS9 SDS11 SDA1O SDA1OFM S11 SDC1OFM ON OFF ON ON ON OFF OFF ON ON 1 1 SDC1RSP S9 S10 0 1 x 0 x: Don’t care S2 SDA0OFM ON OFF ON ON ON OFF OFF ON ON 1 1 SDA0RSP S0 S1 0 1 x 0 x: Don’t care S5 SDA1OFM ON OFF ON ON ON OFF OFF ON ON 1 1 SDA1RSP S3 S4 0 1 x 0 x: Don’t care S9 S10 S11 SDPGA[2:0] S8 SDC0OFM ON OFF ON ON ON OFF OFF ON ON 1 1 SDC0RSP S6 S7 0 1 x 0 x: Don’t care SDDAC2O SDC1INT (To SD CMP1 interrupt) A1O SDDA1L 8-bit DAC1 SDDAC1EN C0NI C0PI CMP0 SDC0EN - + SDC0POL SDC0OUT Debounce0 SDC0O C0XO fSYS S6 S7 S8 SDDAC1O SDC0HYS[1:0] SDC0IS[1:0] SDC1EN SDC1HYS[1:0] SDC1IS[1:0] SDA1BW[1:0] SDA0BW[1:0] SDC0INT (To SD CMP0 interrupt) OPA0O (To A/D Converter) OPA1O (To A/D Converter) Internal Analog Function Block Diagram Analog Function Operation TheOperationalAmplifierscanbeusedforsignalamplificationaccordingtospecificuser requirements.The8-bitD/AConverterscanprovideanaccuratereferencevoltagetothenon- invertinginputofOperationalAmplifiersandtheinvertinginputofComparators.Thecomparators areusedtocomparetwoanalogvoltagesandprovideanoutputbasedontheirdifferenceand generateaninterruptifthecorrespondinginterruptcontrolisenabled. Theadvantagesofmultipleswitchesandinputpathoptions,variousreferencevoltageselections, manykindsofinternalsoftwaregaincontrol,debouncetimecontrol,hysteresis,offsetreference voltagecalibrationfunctionandothersenhancetheflexibilityofthiscircuittosuitawiderangeof applicationpossibilities. |
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