Blood Sugar Meter -- HT45F67

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 : 3.5A 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