Blood Glucose Meter HT45F67 Characteristics Main controller MCU : HT45F67 (80LQFP), internal high accuracy voltage reference DACVREF, 10-bit DAC, 12-bit ADC, Flash IAP, LCD driver etc. Operating voltage : 3V DC – two No. 7 dry batteries Standby current : 3.5A at 3V DC Blood sugar measurement type : electrochemical Blood sugar measurement range : 1.1 mmol/L ~ 33.3 mmol/L Display units : mmol/L Operating environmental temperature : 10°C ~ 40°C Memory functions Can store 512 blood sugar measurements (Flash ROM + IAP), can calculate 7 day, 14 day, 28 day blood sugar average values. Application Areas Used in a wide range of electrochemical blood sugar measuring instrumentation etc. Application Circuit C25 106 R1 0 Strip_Blood_Test Strip_Insert_Det Strip_Glucose_Test D3 D4 D5 試紙接口 預留 TVS TVS TVS VCC OCDSDA OCDSCK OCDS 1 TX 2 RX 3 4 D2 5 D1 TVS R3 C7 R22 470 R12 C13 SW1 OP2O 10K R4 DACVREF θ 10K(NTC) 103 1 2 3 VCC 4 5 C2 104 6 C8 103 OP1O 7 R7 40K 8 R8 56K 9 R9 100K 10 Strip_Glucose_Test 11 OP2O 12 Strip_Blood_Test 13 R11 NC 14 C5 106 15 C6 106 DACVREF 16 Strip_Insert_Det 17 SW2 SDO1 18 SCL1 19 SCSB1 20 R23 470 100K 103 R16 Y2 10M 32.768K XT2 預留 XT1 Strip_Blood_Test NC DUT C17 10pF C20 10pF U1 C4 106 470 470 PB5/AN3 PB4/AN2 PB3/AN1 PB2/AN0 AVDD AVSS OP1O OP1S0 OP1S1 OP1S2 PB1/OP1N PB0/OP2O PA7/OP2N/INT1 PA6/VG/INT0 DACO DACVERF PA5/SDA/SDI PA4/SDO PA3/SCK/SCL PA2/SCS TX R5 RX R6 VCC R2 100K BZ1 預留 OP1O SEG6 SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 SEG13 SEG14 SEG15 SEG16 VCC BT1 1 2 3 4 5 GM1 J1 1 2 3 4 JTAG J2 VDD D+ DGND GND TVS UART R20 300R C3 104 HT45F67 80 LQFP-A VCC C1 104 C11 104 PF1/SEG17 PF2/SEG18 PF3/SEG19 PF4/SEG20 PF5/SEG21 PF6/SEG22 PF7/SEG23 PG0/SEG24 PG1/SEG25 PG2/SEG26 PG3/SEG27 PG4/SEG28 PG5/SEG29 COM5/SEG30 COM4/SEG31 COM3 COM2 COM1 COM0 VC C10 104 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 SEG17 SEG18 SEG19 SEG20 SEG21 SEG22 SEG23 SEG24 COM3 COM2 COM1 COM0 C9 104/0603 Strip_Insert_Det SDO1 SCL1 SCSB1 VDD C18 105 J3 4 3 2 1 SDI2 SDO2 SCK2 CS2 CS VCC SO /HLD /WP >CK GND SI U1 SPI1 C15 104 1 2 3 4 J5 1 2 3 4 ENM R21 100K VCC 預留接口 Header 3 1 2 3 J4 LCD:4COM*19SEG,1/3bias C12 106 SCL NVM SDA NVM PWM NVM BUZZER 8 7 6 5 VDD R13 0 C19 105/0603 音頻放大電路 ENV 音頻存儲電路 Q1 VDD AO3401 8 7 6 SCK2 5 SDO2 SPI2 BZ2 預留 HT82V733/SOP-8/150mil OUTN VDD Aud In OUTP VREF NC VSS CE U2 MX25L1605D/SOP-8/150mil CS1 1 R10SDI2 2 10K 3 4 R15 100K AUD LCD 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 ENV Y1 COM0 COM1 COM2 COM3 SEG24 SEG23 SEG22 SEG21 SEG20 SEG19 SEG18 SEG17 SEG16 SEG15 SEG14 SEG13 SEG12 SEG11 SEG10 SEG9 SEG8 SEG7 SEG6 AUD SCL NVM SDA NVM 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 PB6/ADVRH PB7/ADVRL PC5/AUD PD0/SEG0/TP0_0 PD1/SEG1/TP0_1 PD2/SEG2/TCK0 PD3/SEG3/TP1A PD4/SEG4/TP1B_0 PD5/SEG5/TP1B_1 PD6/SEG6/TP1B_2 PD7/SEG7/TCK1 PE0/SEG8/TP2_0 PE1/SEG9/TP2_1 PE2/SEG10/TCK2 PE3/SEG11/TP3_0 PE4/SEG12/TP3_1 PE5/SEG13/TCK3 PE6/SEG14 PE7/SEG15 PF0/SEG16 PA1/PCK/TX PC0/PINTB/RX OCDSDA/PA0/ICPDA OCDSCK/RES/ICPCK PC2/OCS2 PC1/OCS1 VSS PC3/XT1 PC4/XT2 VDD PH6 PH5/SCS1B1 PH4/SCS1B0 PH3/SCK1 PH2/SDO1 PH1/SDI1 PH0/SYSCK0 C1 C2 VAB 21 22 OCDSDA 23 OCDSCK 24 25 4M 26 27 XT1 28 XT2 29 30 PWM NVM31 CS2 32 CS1 33 34 SCK2 SDO2 35 36 SDI2 ENM 37 38 39 40