Infrared Ear Thermometer -- HT67F5640

Infrared Ear Thermometer
HT67F5640
Characteristics
 Main controller MCU : HT67F5640 (64LQFP), 4K words Flash ROM,
256 bytes RAM, internal 20-bit delta-sigma ADC, LDO, EEPROM,
LCD driver, TM etc.
 Operating voltage : DC 3V (single button type battery CR2032)
 Standby current : < 1.0A at 3V DC
 Measurement range : 34.0°C ~ 42.2°C
 Display resolution : 0.1°C
 Operating environmental temperature : 10°C ~ 40°C
 Data storage : 9 datasets of temperature data using internal 64-byte
EEPROM
Application Areas
Infrared ear type thermometers.
Application Circuit
R24
VDD
100
104
104
C9
106
C11
104
C13
106
VCM
AN0
AN0
AN2
AN2
AN4
AN5
AN4
AN5
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
C14
101 SDA
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
U3
ADD/VOUT
AVSS
VCM
NC
NC
VREFP
VREFN
AN0
AN1
AN2
AN3
AN4
AN5
AN6
AN7
AVSS
R23
HT67F5640
PE5/TP2_0/S5
PE6/TP2_1/S6
PE7/TCK2/S7
PA0/S8/ICPDA/OCDSDA
PA2/S9/ICPCK/OCDSCK
PA1/S10
PA3/S11
PA4/S12
PA5/S13
PA6/S14
PA7/S15
PD0/S16
PD1/S17
PD2/S18
PD3/S19
VSS
C5
S1
SEG1
SEG2
BAT1
3V
SCAN
100uF/16V
Vout
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
PE5
PE6
C1
R4
68K
ICPDA
ICPCK
ON/MEM
SEG11
SEG11
SEG10
SEG10
SEG9
SEG9
SEG8
SEG8
SEG7
SEG7
SEG6
SEG6
SEG5
SEG5
SEG4
SEG4
SEG3
SEG3
AN4
ON/MEM
VTP
AN0
R7
10K/0.1%
1
V+
V-
AN5
3
R8
220R
2
U2
AN2
NTC
R2
33K
105
TS318-11C55
VH GND
4
C20
VCM
Thermopile Sensor
102
P1
6
5
4
3
2
1
ICPCK
ICPDA
VDD
HA1
SDA
SCL
PE5
PE6
Header 6
Piezoelectric Buzzer
SEG1
SEG2
C18
104
EarcapIN
MEASURE
C17
104
COM0
COM0
COM1
COM1
COM2
COM2
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
0R
C16
104
VDD
LCD14
100
VDD/VIN
PB4/XT2
PB3/XT1
VSS
PB1/OSC1
PB2/OSC2
PB0
PB6/INT0/C0P
PB7/INT1/C0N
PB5/TP0_0/C1P
PF0/C1N
PE0/TP0_1/SCK/SCL/S0
PE1/TCK0/SCS/S1
PE2/TP1_0/SDO/S2
PE3/TP1_1/SDI/SDA/S3
PE4/TCK1/S4
C8
106
R25
CPU1
CPU2
V1
V2
PC0/COM0
PC1/COM1
PC2/COM2
PC3/COM3
PC4/RX/S27
PC5/TX/S26
PC6/C0OUT/S25
PC7/C1OUT/S24
PD7/S23
PD6/S22
PD5/S21
PD4/S20
Vout
VCM
VDD
C7
104
LCD_Panel(3COM*11SEG)
14
13
12
11
10
9
8
7
6
5
4
3
2
1
C2
U1
14
13
12
11
10
9
8
7
6
5
4
3
2
1
C4
R1
100K
SCL
C12
101
SEG11
SEG11
SEG10
SEG10
SEG9
SEG9
SEG8
SEG8
SEG7
SEG7
SEG6
SEG6
SEG5
SEG5
SEG4
SEG4
SEG3
SEG3
SEG2
SEG2
SEG1
SEG1
COM2
COM2
COM1
COM1
COM0
COM0
HT67F5640--紅外耳式體溫計
燒錄和參數校正接口
Buzzer
C6
104