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HT45R4U датащи(PDF) 59 Page - Holtek Semiconductor Inc |
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HT45R4U датащи(HTML) 59 Page - Holtek Semiconductor Inc |
59 / 105 page Rev. 1.10 �8 �a��� 1�� �01� Rev. 1.10 �9 �a��� 1�� �01� HT45R4U TinyPowerTM A/D Type e-Banking ASSP OTP MCU with LCD PAC0 Control bit PA0 Data bit PA0 Output Function 0 0 PA0 = "0" 0 1 PA0 = BZ 1 0 PA0 = input line 1 1 PA0 = input line PA0 Pin Function Control (ENBZ=1) PAC1 Control bit PA0 Data bit PA1 Output Function 0 0 PA1 = "0" 0 1 PA1 = BZ 1 0 PA1 = input line 1 1 PA1 = input line PA1 Pin Function Control (ENBZB=1) BZC Register Bit 7 6 5 4 3 2 1 0 Name — — — ENBZ ENBZB BZ� BZ1 BZ0 R/W — — — R/W R/W R/W R/W R/W POR — — — 0 0 0 0 0 Bit7~5 unimplemented,readas"0" Bit4 ENBZ:BZPinFunctionSelection 0:I/Ofunction 1:BZfunction Bit3 ENBZB:BZPinFunctionSelection 0:I/Ofunction 1:BZfunction Bit2~0 BZ2~BZ0:BuzzerOutputFrequencySelection 000:fSUB/22 001:fSUB/23 010:fSUB/24 011:fSUB/25 100:fSUB/26 101:fSUB/27 110:fSUB/28 111:fSUB/29 In te r nal C lo ck S our ce PA 0 Da ta BZ O ut put a t PA 0 BZ O ut put a t PA1 PA 1 Da ta Buzzer Output Pin Control Note:TheabovedrawingshowsthesituationwherebothpinsPA0andPA1areselectedbysoftware controlbitstobeBZandBZbuzzerpinoutputs.ThePortControlRegisterofbothpinsmust havealreadybeensetupasoutput.ThedatasetuponpinPA1hasnoeffectonthebuzzeroutputs. |
Аналогичный номер детали - HT45R4U |
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Аналогичное описание - HT45R4U |
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