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MSP_AVCC

0.1uF

C38

0.1uF

C8

0.47uF

C5

TP10

XIN_M SP

ACLK

AFE_RESETZ

AFE_RESET

Z_P1.1

AFE_PDNZ

AFE_PDNZ_P1.2

PD_A

LM_P

2.

4

PD_ALM

L

E

D

_

A

L

M

_

P

2

.5

LED_ALM

TP9

TP3

TP31

STE

SIMO

SOMI

SCLK

0.1uF

C14

UCA1RXD
UCA1T

XD

DIAG_END

MCLK

VBUS

0R

R50

0R

R51

1

2

32.768KHz

Y2

12pF

C13

12pF

C11

1

3

4

2

G

G

24MHz

Y3

10pF

C17

10pF

C18

1.0Meg

R52

1.40k

R96

10pF

C21

MSP_USB_D_N
MSP_USB_D_P

PUR

10pF

C24

33R

R57

33R

R61

IO1

1

IO2

2

G

N

D

3

IO3

4

IO4

5

VCC

6

U7

100R

R53

VUSB

0.1uF

C26

4.7uF

C25

0.55V

D5
SD103AW-7-F

VBUS

VBUS

TP18

SBWTCLK
JTAG_TDO
JTAG_TDI
JTAG_TMS
JTAG_TCK

SBWTDIO

VUSB

MSP_DVCC

47k

R83

0R

R82

TP27

TDO

TP15

TMS

TP16

TCK

TP19

TEST

TP26

RST

C39

2200pF

3

1

2

Q1

MMBT5089LT1G

VDD

5

MR#

4

RESET

3

G

N

D

2

RESET#

1

TPS3825

U11

0R

R91

2.2uF

C40

4.7k

R92

MSP_DVCC

0.1uF

C43

100R

R95

220R

R4

130R

R3

VBUS

1

D-

2

D+

3

ID

4

GND

5

SHIELD1

6

SHIELD2

7

8

8

9

9

10

10

11

11

513870530

J4

miniUSB

B-Connector

To AFE4400

MSP_AVCC

4.7K

R47

4.7K

R46

MSP_DVCC

ACC_INT

0.1uF

C20

0.1uF

C22

M

E

M

0_W

M

E

M

_CS0

M

E

M

0_HO

LD

M

E

M

1_HO

LD

M

E

M

_CS1

M

E

M

1_W

MSP_USB_N
MSP_USB_P

1
2
3
4
5
6
7
8
9

10

J3

TC2050-IDC-FP

SBWTCLK

JTAG_TDO

JTAG_TDI

JTAG_TMS

JTAG_TCK

SBWTDIO

N/C

N/C

MSP_DVCC

SCL
SDA

SCL
SDA

Green

LED1

Blue

LED2

MSP430 TC-JTAG Cable
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and
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Connectors.jpg

N1

R9

3

10

R

R1

10R

R6

10R

R8

4

10

R

R8

9

10

R

R8

8

10

R

R8

6

10

R

R7

10R

R90

10R

R87

10R

R94

10R

R85

10R

R39

10R

R37

10R

R26

10R

R42

10R

R25

10R

R9

10R

R33

10R

R35

10R

R38

10R

R49

10R

R45

10R

R31

10R

EZ

RF

_

R

S

T

EZ

RF

_

R

S

T

VBUS_IN

R43

10R

R34

10R

R30

10R

R21

10R

R14
10R

R29

10R

UCA1RTS

UCA1CTS

UCB1CLK
UCB1SOMI
UCB1SIMO
UCB1STE

P5.7_DIAG_END

P4.7
P4.6

P3.7

A

M

_

IN

T

R8

10R

R13

10R

R5

0R

R2

0R

MEM_SIMO

MEM_SCLK

USD_CS

M

EM

_SO

M

I

R19

10R

R18

10R

MSP_AVCC

10K

R56

10nF

C23

MSP_AVCC

A

C

C_

IN

T

ADC_RDY

C19
2200pF

SCL
SDA

SCL
SDA

CLKIN

1

NC-2

2

NC-3

3

NC-4

4

NC-5

5

AUX_DA

6

AUX_CL

7

VLOGIC

8

ADO

9

REGOUT

10

Accelerometer, Digital

FSYNC

11

VDD

13

NC-14

14

NC-15

15

NC-16

16

NC-17

17

GND

18

RESV-19

19

CPOUT

20

RESV-21

21

RESV-22

22

SCL

23

SDA

24

INT

12

U6

MPU9150

MSP_DVCC

MSP_DVCC

MSP_DVCC

TP35

TP29

TP24

1

2

SW2

1

2

SW1

U2

P6.4/CB4/A4

1

P6.5/CB5/A5

2

P6.6/CB6/A6

3

P6.7/CB7/A7

4

P7.0/CB8/A12

5

P7.1/CB9/A13

6

P7.2/CB10/A14

7

P7.3/CB11/A15

8

P5.0/A8/VREF+/VeREF+

9

P5.1/A9/VREF-/VeREF-

10

AVCC1

11

P5.4/XIN

12

P5.5/XOUT

13

AVSS1

14

P8.0

15

P8.1

16

P8.2

17

DVCC1

18

DVSS1

19

VCORE

20

P1.0/

T

A0C

LK/

AC

LK

21

P1.1/

T

A0.0

22

P1.2/

T

A0.1

23

P1.3/

T

A0.2

24

P1.4/

T

A0.3

25

P1.5/

T

A0.4

26

P1.6/

T

A1C

LK/

CB

O

UT

27

P1.7/

T

A1.0

28

P2.0/

T

A1.1

29

P2.1/

T

A1.2

30

P2.2/

T

A2C

LK/

SM

CLK

31

P2.3/

T

A2.0

32

P2.4/

T

A2.1

33

P2.5/

T

A2.2

34

P2.6/

R

T

C

CLK/DM

A

E0

35

P2.7/

UC

B0ST

E/UCA0C

LK

36

P3.0/

UC

B0SI

M

O

/UCB

0SDA

37

P3.1/

UC

B0SO

M

I/UCB

0SCL

38

P3.2/

UC

B0CLK/UCA

0ST

E

39

P3.3/

UC

A0T

X

D/UCA0S

IM

O

40

P3.4/UCA0RXD/UCA0SOMI

41

P3.5/TB0.5

42

P3.6/TB0.6

43

P3.7/TB0OUTH/SVM

OUT

44

P4.0/PM _UCB1STE/PM

_UCA1CLK

45

P4.1/PM_UCB1SIMO/PM _UCB1SDA

46

P4.2/PM_UCB1SOM

I/PM _UCB1SCL

47

P4.3/PM_UCB1CLK/PM _UCA1STE

48

DVSS2

49

DVCC2

50

P4.4/PM_UCA1TXD/PM_UCA1SIMO

51

P4.5/PM _UCA1RXD/PM

_UCA1SOMI

52

P4.6/PM _NONE

53

P4.7/PM _NONE

54

P5.6/TB0.0

55

P5.7/TB0.1

56

P7.4/TB0.2

57

P7.5/TB0.3

58

P7.6/TB0.4

59

P7.7/TB0CLK/M CLK

60

VSS

U

61

PU.0/

D

P

62

PUR

63

PU.1/

D

M

64

VBU

S

65

VUS

B

66

V18

67

A

VS

S2

68

P5.2/

X

T

2IN

69

P5.3/

X

T

2OUT

70

T

EST

/SBW

T

C

K

71

PJ.

0/T

DO

72

PJ.

1/T

DI/

T

CLK

73

PJ.

2/T

M

S

74

PJ.

3/T

CK

75

RST/

NM

I/SBW

T

D

IO

76

P6.0/

CB

0/

A0

77

P6.1/

CB

1/

A1

78

P6.2/

CB

2/

A2

79

P6.3/

CB

3/

A3

80

U2

MSP430F5529IPN

5
4

1

2

3

6

RX

PWR

TEST

RST

GND

TX

J1

EZ430 RF Header

www.ti.com

PCB Layouts and Schematics

Figure 52. AFE44x0SPO2EVM: MSP430 (2 of 5)

47

SLAU480A – January 2013 – Revised February 2013

AFE4400 and AFE4490 Development Guide

Submit Documentation Feedback

Copyright © 2013, Texas Instruments Incorporated

Содержание AFE4400

Страница 1: ...mum Requirements 5 3 2 Installing the Software PC Application 5 3 3 Installing the USB Drivers 9 4 Running the Software 12 4 1 Overview of the Features 12 5 AFE44x0SPO2EVM Hardware 25 5 1 Power Supply...

Страница 2: ...guration Rx Stage 17 21 AFE4400 Device Configuration Rx Stage 18 22 AFE4490 Device Configuration Timing Controls 19 23 AFE4400 Device Configuration Timing Controls 19 24 Device Configuration Low Level...

Страница 3: ...ly use the AFE44x0SPO2EVM under the following conditions The AFE44x0SPO2EVM demonstration kit is intended only for electrical evaluation of the features of the AFE44x0 devices in a laboratory simulati...

Страница 4: ...2EVM demonstration kit is shown in Figure 1 Figure 1 AFE4490SPO2EVM Demonstration Kit The board can be assembled with either of these devices Check the TI website for the AFE4400SPO2EVM and AFE4490SPO...

Страница 5: ...ndows 7 operating system as shown in Figure 2 Figure 2 Setting Font Size on Windows 7 Operating System 3 1 2 Additional Software Requirements AFE44x0SPO2EVM Demonstration Kit USB to mini USB cable DB9...

Страница 6: ...roper installation of the PC application Click setup exe and follow the prompts to continue with the installation process Select the destination directory and click the Next button Figure 3 PC Applica...

Страница 7: ...ure 4 PC Application Installation Screen 2 Accept the license agreement and click the Next button Figure 5 PC Application Installation Screen 3 7 SLAU480A January 2013 Revised February 2013 AFE4400 an...

Страница 8: ...tallation is complete click the Next button to continue with the installation of Python v2 7 Figure 7 PC Application Installation Screen 5 Once the Python v2 7 is installed click OK The PC application...

Страница 9: ...user to install the USB driver for the new hardware The Windows 7 OS attempts to find the driver for the new hardware found automatically and if the driver is not found there is no pop up message to i...

Страница 10: ...ion www ti com Figure 10 USB Driver Installation Screen 2 10 AFE4400 and AFE4490 Development Guide SLAU480A January 2013 Revised February 2013 Submit Documentation Feedback Copyright 2013 Texas Instru...

Страница 11: ...USB Driver Click the Next button to continue The Driver file is copied to the system directory after clicking the Next button Figure 11 USB Driver Installation Screen 3 5 Click the Finish button once...

Страница 12: ...e various features and functions of the AFE44x0SPO2EVM software GUI The GUI allows the user to easily configure the various functions of the AFE such as the receiver gain and bandwidth settings and tr...

Страница 13: ...ice shown in Figure 16 and for AFE4400 device shown in Figure 17 has the following features 1 View the Device ID and Firmware Revision 2 Device Reset button that resets the device Please note that aft...

Страница 14: ...nd LED1 pulse ii LED2 LED1 LED pulse iii Sample LED2 LED1 Ambient pulse iv LED2 LED1 Convert pulse v LED2 LED1 Ambient Convert pulse 5 Click on Diagnostic Enable and view the Alarm status flags trigge...

Страница 15: ...oftware Figure 17 AFE4400 Device Configuration Global Settings 15 SLAU480A January 2013 Revised February 2013 AFE4400 and AFE4490 Development Guide Submit Documentation Feedback Copyright 2013 Texas I...

Страница 16: ...ab shown in Figure 20 for AFE4490 and Figure 21 for AFE4400 consists of the settings to 1 Enable separate gain mode available for AFE4490 device only 2 Set feedback resistance and capacitance for the...

Страница 17: ...E4400 Device Configuration Tx Stage Figure 20 AFE4490 Device Configuration Rx Stage 17 SLAU480A January 2013 Revised February 2013 AFE4400 and AFE4490 Development Guide Submit Documentation Feedback C...

Страница 18: ...nd OFF time b Rx sample start and end time for 4 channels LED1 LED1 Ambient LED2 LED2 Ambient c Rx convert start and end time for 4 channels LED1 LED1 Ambient LED2 LED2 Ambient 2 Save the timing setti...

Страница 19: ...evice Configuration Timing Controls Figure 23 AFE4400 Device Configuration Timing Controls 19 SLAU480A January 2013 Revised February 2013 AFE4400 and AFE4490 Development Guide Submit Documentation Fee...

Страница 20: ...g the Read All button Click on Transfer Read to Write to copy the contents of the Read Data to Write Data Then click on Write Register to write to the data to the register of the AFE44x0 By clicking o...

Страница 21: ...Histogram can be viewed and analyzed In Three Plot mode any three plots and in Four Plot mode any four plots Time FFT or Histogram can be viewed and analyzed The following algorithms have been used to...

Страница 22: ...wer of 2 512 Since of samples for FFT calc No of samples and If Filter Type Notch then an error msg Insufficient of samples for FFT calculation will be displayed since of samples for FFT calc which is...

Страница 23: ...nal Enter the total number of seconds to acquire the signal When Measure Parameters is clicked the heart rate signal is displayed on the waveform chart A snapshot HR in beats per minute and SpO2 in pe...

Страница 24: ...es the scope analysis result The result is saved in the file Device_ record number _Analysis xls FFT Analysis Saves the FFT analysis result The result is saved in the file Device_ record number _Analy...

Страница 25: ...imeter sensor cable support Two modes of operation Evaluation and Live SPO2 Heart rate Acquire data at up to 1300 Hz in evaluation mode SPI Data interface The AFE44x0SPO2EVM board can be used as a dem...

Страница 26: ...G Header Power Management Block MSP430F5529 AFE4400 DB9 Connector 6pin eZ430 RF header UART Battery Mgmt Accelerometer Battery Header Boost Converter MSP430 3V LDO AFE TX 3 3V LDO SPI SPI AFE RX 3V LD...

Страница 27: ...noise linear voltage regulator TPS7A4901DGN U13 for generating 3 V for the RX_ANA_SUP and RX_DIG_SUP The boost converter output is also fed to the ultralow noise linear voltage regulator TPS7A4901DGN...

Страница 28: ...al tester was used as shown in Figure 30 Figure 30 Fluke SPOT Light SpO2 Functional Tester Setup 5 5 USB Interface The EVM has a mini USB interface for PC application connectivity requiring a standard...

Страница 29: ...reset command and reloads with new firmware The firmware upgrade process steps are represented in the screen shots below From the PC application click on File Firmware Upgrade as shown in Figure 31 F...

Страница 30: ...Texas Instruments AFE44x0SPO2EVM GUI Firmware Updater On a Windows 7 machine C Program Files x86 Texas Instruments AFE44x0SPO2EVM GUI Firmware Updater Figure 34 PC Application Firmware Upgrade 4 Once...

Страница 31: ...n of the pin outs is provided in Table 6 Figure 36 DB9 Pulse Oximeter Connector Pin Outs Table 6 DB9 based Pulse Oximeter Connector pinouts Pin Number Pin Name Pin Description 2 TX_LED_P Anode of the...

Страница 32: ...ided in Table 7 Figure 37 USB Mini Connector Pin Outs Table 7 USB Mini Connector Pin Outs Pin Number Pin Name Pin Description 1 VBUS USB power 5 V 2 D USB DM 3 D USB DP 4 ID NC 5 GND GND 32 AFE4400 an...

Страница 33: ...or to the finger sensor Leave the default setting of 97 for SpO2 80 bpm for HR and 2 for PA The Fluke SPOT Light Pulse SpO2 Functional Tester setup with the finger sensor pulse oximeter cable is shown...

Страница 34: ...art Guide www ti com Figure 38 Sample Test Data 34 AFE4400 and AFE4490 Development Guide SLAU480A January 2013 Revised February 2013 Submit Documentation Feedback Copyright 2013 Texas Instruments Inco...

Страница 35: ...powers down the AFE and the VCM output voltage of the AFE drops to 0 V VCM is measured at the VCM_AFE serial jumper resistor R28 on the board 9 2 ADC_RDY signal After executing the GUI observe the AD...

Страница 36: ...the pulse oximeter cable Figure 41 shows TXP and TXM waveforms after connecting the pulse oximeter cable Figure 40 TXP and TXM Without Pulse Oximeter Cable Figure 41 TXP and TXM After Connecting the...

Страница 37: ...feature is enabled from the Global Settings under the Device Configuration tab Clicking the Diagnostic Enable button enables the diagnostic function and once the diagnostic function is completed the...

Страница 38: ...5KE19D 1 1 C5 0 47uF 0402_CF Murata GRM155R60J474KE19D 0 0 C51 22uF 0805_CF AVX Corporation TLJN226M006R5400 C51 DNI 2 2 C6 C7 18pF 0402_CF Murata GRM1555C1H180JA01D 4 4 D1 D2 D3 D4 75V SOT 323 Diodes...

Страница 39: ...0402_CF Vishay Dale CRCW04021K00JNED R70 R80 R118 DNI 1 1 R72 261k 0603_CFE Vishay Dale CRCW0603261KFKEA 1 1 R75 200k 0402_CF Vishay Dale CRCW0402200KJNED 1 1 R74 15 4k 0603_CFE Vishay Dale CRCW060315...

Страница 40: ...10 VFDFN Invensense MPU9150 U6 DNI 1 1 U8 LDO Regulator IC MRA08A National Semiconductor LP3878MR ADJ NOPB 1 1 U9 Voltage Regulator IC TSQFP50P250X250X80_HS 10N Texas Instruments TPS61093DSK 2 2 U13 U...

Страница 41: ...CB Layouts Figure 43 through Figure 50 show the EVM PCB layouts landscaped for readability Figure 43 AFE44x0SPO2EVM Top Overlay 41 SLAU480A January 2013 Revised February 2013 AFE4400 and AFE4490 Devel...

Страница 42: ...om Figure 44 AFE44x0SPO2EVM Top Solder Figure 45 AFE44x0SPO2EVM Top Layer 42 AFE4400 and AFE4490 Development Guide SLAU480A January 2013 Revised February 2013 Submit Documentation Feedback Copyright 2...

Страница 43: ...Figure 46 AFE44x0SPO2EVM Bottom Layer Figure 47 AFE44x0SPO2EVM Bottom Solder 43 SLAU480A January 2013 Revised February 2013 AFE4400 and AFE4490 Development Guide Submit Documentation Feedback Copyrigh...

Страница 44: ...igure 48 AFE44x0SPO2EVM Bottom Overlay Figure 49 AFE44x0SPO2EVM Drill Drawing 44 AFE4400 and AFE4490 Development Guide SLAU480A January 2013 Revised February 2013 Submit Documentation Feedback Copyrig...

Страница 45: ...nd Schematics Figure 50 AFE44x0SPO2EVM Board Dimensions in mils 45 SLAU480A January 2013 Revised February 2013 AFE4400 and AFE4490 Development Guide Submit Documentation Feedback Copyright 2013 Texas...

Страница 46: ...TRL_SUP 11 LED_DRV_GND 12 LED_DRV_GND 13 TXM 14 TXP 15 LED_DRV_GND 16 LED_DRV_SUP 17 LED_DRV_SUP 18 RX_DIG_GND 19 AFE_PDNZ 20 DIAG_END 21 LED_ALM 22 PD_ALM 23 SPI_CLK 24 SPI_SOMI 25 SPI_SIMO 26 SPI_ST...

Страница 47: ...R2 0R MEM_SIMO MEM_SCLK USD_CS MEM_SOMI R19 10R R18 10R MSP_AVCC 10K R56 10nF C23 MSP_AVCC ACC_INT ADC_RDY C19 2200pF SCL SDA SCL SDA CLKIN 1 NC 2 2 NC 3 3 NC 4 4 NC 5 5 AUX_DA 6 AUX_CL 7 VLOGIC 8 AD...

Страница 48: ...Jum per R55 0R Jum per R54 3v 5v 3v 3v 5v Blue LED3 VDD_BAT VBT_IN SW_LP REG_FB REG_SS REG_VO AFE_VTX MSP_VSUP AFE_5VTX AFE_VRX IN 4 ADJ 6 GND 3 NC 7 SD 8 DAP 9 OUT 5 BYP 1 NC 2 U8 LP3878MR ADJ NOPB...

Страница 49: ...O1 1 IO2 2 IO3 3 IO4 4 IO5 5 IO6 6 IO7 7 IO8 8 GND 9 U4 10K R10 10K R11 10uF C2 10K R12 0 1uF C3 MSP_DVCC USD_CS MEM_SIMO MEM_SCLK MEM0_HOLD MEM0_W MEM_CS0 MEM_SOMI 0 1uF C1 MSP_DVCC MEM_SIMO MEM_SCLK...

Страница 50: ...miniUSB 2 0 PCB Layouts and Schematics www ti com Figure 55 AFE44x0SPO2EVM Blocks 5 of 5 50 AFE4400 and AFE4490 Development Guide SLAU480A January 2013 Revised February 2013 Submit Documentation Feed...

Страница 51: ...ncy energy and has not been tested for compliance with the limits of computing devices pursuant to part 15 of FCC or ICES 003 rules which are designed to provide reasonable protection against radio fr...

Страница 52: ...na type and its gain should be so chosen that the equivalent isotropically radiated power e i r p is not more than that necessary for successful communication This radio transmitter has been approved...

Страница 53: ...ct only after you obtained the license of Test Radio Station as provided in Radio Law of Japan with respect to this product or 3 Use of this product only after you obtained the Technical Regulations C...

Страница 54: ...property damage personal injury or death If there are questions concerning these ratings please contact a TI field representative prior to connecting interface electronics including input power and in...

Страница 55: ...ncy energy and has not been tested for compliance with the limits of computing devices pursuant to part 15 of FCC or ICES 003 rules which are designed to provide reasonable protection against radio fr...

Страница 56: ...na type and its gain should be so chosen that the equivalent isotropically radiated power e i r p is not more than that necessary for successful communication This radio transmitter has been approved...

Страница 57: ...roduct only after you obtained the license of Test Radio Station as provided in Radio Law of Japan with respect to this product or 3 Use of this product only after you obtained the Technical Regulatio...

Страница 58: ...property damage personal injury or death If there are questions concerning these ratings please contact a TI field representative prior to connecting interface electronics including input power and in...

Страница 59: ...sponsible for compliance with all legal regulatory and safety related requirements concerning its products and any use of TI components in its applications notwithstanding any applications related inf...

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