Bionet BM3 - Circuit Diagram; Analog Board 1 Circuit Diagrams

BM3 www.BIO2NET.com
Revision A
- 39 -
9. Circuit Diagram
Analog1 b/d, digital part
TP8
TP
1
1
+
C6
47UF/16V
+
C11
100UF/35V
TOUT3
U3
HCPL4502_020
1
2
3
45
6
7
8
NC1
AN
CA
NC2GND1
OUT
EN
VCC1
5VA
RXB
R19
470/J
BC6
0.1UF/Z
5VA
ACP1
AGND
D1
?
AGND
SPI_SDO
TXB
MALE
R34.7K/J
BC2
1UF/Z
ACP
D4
MBRS130LT3
C10
0.1UF/Z
VCC9.1
D6
MBRS130LT3
SpO2_SIG
RESET
ACP
Y1
18.432MHz
R6 10/J
WDT_OUT
AGND
DGND
VCC9.1
SPI_SCK
WDT_OUT
D3
MBRS130LT3
5VA
U5 KA7805R
1
2
3
VIN
A
G
N
D
VOUT
CLKOUT
+
C12
100UF/35V
SPI_CS
VIN
AGND
U1
PIC16F874PQ
1
2
3
4
5
6
7
8
9
10
11
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
35
36
37
38
39
40
41
42
43
44
RC7/RX/DT
RD4/PSP4
RD5/PSP5
RD6/PSP6
RD7/PSP7
AGND2
VDD2
RB0/INT
RB1
RB2
RB3
RB4
RB5
RB6
RB7
MCLR/Vpp
RA0/AN0
RA1/AN1
RA2/AN2
RA3/AN3/VREF
RA4/TOCKI
RA5/AN4/SS
RE0/RD/AN5
RE1/WR/AN6
RE2/CS/AN7
VDD1
AGND1
OSC1/CLKIN
OSC2/CLKOUT
RC0/T1OSO/T1CKI
RC1/T1OSI/CCP2
RC2/CCP1
RC3/SCK/SCL
RD0/PSP0
RD1/PSP1
RD2/PSP2
RD3/PSP3
RC4/SDI/SDA
RC5/SDO
RC6/TX/CK
VCC3.3
AGND
5VA
ENABLE
R4
100K/J
S_B
RXD
U22F
MM74HC14
1312
1
4
7
-5VA
U4
HCPL4502_020
1
2
3
4 5
6
7
8
NC1
AN
CA
NC2 GND1
OUT
EN
VCC1
DGND
VCC9.1
ISP_DAT
ABP
DGND
DGND
ISP_CLK
BC7
0.1UF/Z
R15
10/J
R70
2K/J
C48
?
AGND
RXB
C49
?
SPI_SDO
R16
10/J
5VA
+
C17
100UF/35V
SPI_SDI
TOUT3
R20
1K/J
Q2
MMBT3904
2
1
3
R14
1K/J
D5
MBRS130LT3
5VA
R5
10K/J
C1
0.1UF/K
RESET
S1
?
AGND
TXD
S2
?
U22D
MM74HC14
9 8
1
4
7
U22C
MM74HC14
5 6
1
4
7
DGND
S_A
SPI_SDI
ACP1
BC8
0.1UF/Z
BC1
0.1UF/Z
5VA
VCC5.0
Q5
MMBT3904
2
1
3
+
C14
10UF/35V
BC5
0.1UF/Z
R7
4.7K/J
C2
10PF/K
AGND
BC3
0.1UF/Z
ISP_DAT
5VA
R18
1K/J
BC4
1UF/Z
U6
KA79M05R
3
1
2
VOUT
A
G
N
D
VIN
DGND
VCC3.3
SPI_SCK
VCC5.0
C13
0.1UF/Z
+
C16
100UF/35V
5VA
TEMP1
T1
EPC17-TP1
1
3
10
8
6
2
4
5
7
9
BC16
0.1UF/Z
CLKOUT
C15
0.1UF/Z
R8
330/J
AGND
Q3
IRFU020A
1
2
3
VIN
T_REF
DEV_SW
5VA
IR
JP1
PH11-60-DR-GA
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44
46
48
50
52
54
56
58
60
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
37
39
41
43
45
47
49
51
53
55
57
59
C3
10PF/K
U18
?
1
2
3 4
5
RESET
GND
MR WDI
VDD
RESET
J1
5267-5
1
2
3
4
5
SPI_CS
R17
1.8K/JAGND
AGND
VCC3.3
U2
ADS8344E
1
2
3
4
5
6
7
8
9
1011
12
13
14
15
16
17
18
19
20
CH0
CH1
CH2
CH3
CH4
CH5
CH6
CH7
COM
/SHDNVREF
VCC1
AGND2
AGND1
DOUT
BUSY
DIN
/CS
DCLK
VCC2
Q1
IRFU9014
1
3
2
AGND
DGND
5VA
TXB
U22E
MM74HC14
1110
1
4
7
ABP
DEV_SW
+
C7
10UF/35V
DEV_MODE
R12
470/J
AGND
VCC7.5
ISP_CLK
U22B
MM74HC14
34
1
4
7
RED
AGND
VCC3.3
R13
1K/J
AGND
AGND
RXD
R1
?
Q4
MMBT3906
2
1
3
R2
220/J
VCC7.5
DEV_SW
U22A
MM74HC14
12
1
4
7
C8
0.1UF/Z
5VA
TXD
C9
0.1UF/Z