电子血压计原理图
- 1、下载文档前请自行甄别文档内容的完整性,平台不提供额外的编辑、内容补充、找答案等附加服务。
- 2、"仅部分预览"的文档,不可在线预览部分如存在完整性等问题,可反馈申请退款(可完整预览的文档不适用该条件!)。
- 3、如文档侵犯您的权益,请联系客服反馈,我们会尽快为您处理(人工客服工作时间:9:00-18:30)。
Y132.768C1
15P R11.3K
S1ON/OFF T1Valve
A
-
+T2motor
C13100uF/10V
C215P
R2200K
R339K
V40
R4200K
R510K
V40
C3
104
C4104
R6200K
R7200K
R8
200K R910K
R10300K
R115.1K V40
VCC
C14
100uF/10V
C15100uF/10V
V 30
C16
10uF/10V
S2
Memory
R121K
R131K
R1447K
R1547K VCC
VCC
T3
BUZZER
D1D2
R166.8K R176.8K
L1
47uH
C17100uF/10V
V40
12JP1POWER
Vin
Vin
Vin
C51041234567891011121314151617181920212223242526272829303132333435
36JP2
LCD C O M 1C O M 2C O M 3C O M 4S E G 1S E G 2S E G 3S E G 4S E G 5S E G 6S E G 7S E G 8S E G 9S E G 10SEG12SEG13SEG14SEG15SEG16SEG17SEG18SEG19SEG20SEG21SEG22SEG23SEG24SEG25SEG26SEG27S E G 28S E G 29S E G 30S E G 31S E G 32
COM1COM2COM3COM4C61000p
C7104R182M
V 30
PWM0PWM1
CE
1Vout
2NC 3VSS 4
Lx 5
U1DC/DC
VCC
SEG1SEG2SEG3SEG4SEG5SEG6SEG7SEG8SEG9SEG10SEG11SEG12SEG13SEG14SEG15SEG16SEG17SEG18SEG19SEG20SEG21SEG22SEG23SEG24SEG25SEG26SEG27SEG28SEG29SEG30SEG31SEG321
-OUT
+OUT 3
-I N
5
+I N
2
U2
MPS-2200
Q1S8050
Q2S8050
D34148
D44148
D5
5819D65817
C8104R190
AVDD
17
OP3+18OP2_O 19OP2-20OP2+21PGA_O 22PGABIAS 23PGA -24PGA+25OP1+26OP1 -27OP1_O 28GND 29OSCO 30OSCI 31RESET 32S E G 28/P 0.31S E G 29/P 0.42S E G 30/P 0.53S E G 31/I N T 21/P 0.64S E G 32/I N T 22/P 0.75R X D /I N T 23/P 2.06T X D /I N T 24/P 2.17I N T 0/P 2.28I N T 1/P 2.39B U Z /I N T 25/P 2.410T 0/P W M 0/P 2.611T 1/P W M 1/P 2.712A N 4/P 1.113A N 3/I N T 20/P 1.014V 3015V I N
16
P L L _C
33
V D D 34C O M 135C O M 236C O M 337C O M 438S E G 1/C O M 539S E G 2/C O M 640S E G 341S E G 442S E G 543S E G 644S E G 745S E G 846S E G 947S E G 1048SEG1249SEG1350SEG1451SEG1552SEG1653SEG1754SEG1855SEG1956SEG20
57SEG21/TDO 58SEG22/TMS 59SEG23/TDI 60SEG24/TCK 61P0.0/SEG2562P0.1/SEG2663P0.2/SEG2764
U3
SH79F164C9
105
R2010K
C10105
C11104
R21200K
R221.5K R23300K
R24
200K V40
C12104
12345678910
JP3JTAG
SEG24SEG23SEG22SEG21
VIN
V1