Toyonway TFP821 Bedienungsanleitung

User’s Manual for Fingerprint Module TFP821

(Xiamen Toyonway Intellectual Technology Co., Ltd.)

Revision

Date

Description

0.0.1

08/02/2018

Draft

0.0.2

08/06/2018

Updated, Comment AutoEnroll,

AutoIdentify Functions, Modify

Starting Time.

0.0.3

09/14/2018

Format Revision.

CONTENTS

Specification .................................................................................................................................... 1

Pin map............................................................................................................................................ 2

Basic concept................................................................................................................................... 3

Available resources.................................................................................................................. 3

Module Parameters................................................................................................................. 3

Communication Protocol................................................................................................................. 4

Package format........................................................................................................................ 4

Command Code ....................................................................................................................... 5

Response Code ........................................................................................................................ 5

Command ........................................................................................................................................ 6

GetImg ..................................................................................................................................... 6

Img2Tz ..................................................................................................................................... 7

Match....................................................................................................................................... 8

Search ...................................................................................................................................... 8

RegModel ................................................................................................................................ 9

StoreModel.............................................................................................................................. 9

LoadChar................................................................................................................................ 10

UpChar................................................................................................................................... 10

DownChar.............................................................................................................................. 11

UpImage ................................................................................................................................ 12

DeleteChar............................................................................................................................. 13

Empty..................................................................................................................................... 13

SetSysPara ............................................................................................................................. 14

ReadSysPara .......................................................................................................................... 15

SetPwd................................................................................................................................... 15

VfyPwd................................................................................................................................... 16

WriteNotePad........................................................................................................................ 16

ReadNotePad......................................................................................................................... 17

TemplateNum........................................................................................................................ 17

ReadConList........................................................................................................................... 18

Combination .................................................................................................................................. 19

Enroll...................................................................................................................................... 19

Identification ......................................................................................................................... 19

Sleep and Wakeup......................................................................................................................... 20

Test environment .......................................................................................................................... 21

Technical Support.......................................................................................................................... 24

User’s Manual for Fingerprint Module TFP821 www.toyonway.com

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Thank you for your interest in our fingerprint identification module.

TFP821 is the stand-alone fingerprint identification module.

The module performs the functions like fingerprint enrollment, identification,

verification.

The module supports UART or USB communication.

This paper provides the information necessary for the user to develop fingerprint

product by using the fingerprint module TFP821.

Specification

Item

Description

Processor

ARM9（footprint : QFN40）

Fingerprint Sensor

FPC1025AM

Image

160 * 160 pixel, 508dpi, 256 gray levels

Active sensor area

8.0mm * 8.0 mm

Image acquiring time

about 100 msec

Enrollment

Proceed by twice of fingerprint acquiring

Identification time

< 0.55 sec (including image acquiring, for 300

templates)

Verification time

< 0.5 sec (including image acquiring)

Match Accuracy

FAR 0.001% / FRR 1.0%

Starting time

< 0.23 sec

Template size

448 byte

Fingerprint Capacity

300

Power

module

DC 3.3V

sensor

DC 3.3V

Current

Working mode

<= 40 mA

User’s Manual for Fingerprint Module TFP821 www.toyonway.com

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Image Acquiring

<= 45 mA

Sleep mode

<= 10 uA

Communication

UART,USB

Baud Rate(UART)

(9600 x N) bps, N = 0 ~ 12

Default N=6 (57600 bps) ,0 for USB

Module Outline dimension

20mm* 33mm

Table 1.

TFP821 has template improvement function.

You can see match score increases for same fingerprint, after several times of

identification.

Template improvement function increases fingerprint match accuracy.

Pin map

Name

Type

Description

VDD33

Power

MCU Power

Output

UART TXD

Input

UART RXD

GND

Power

Ground

TouchOut

Output

Sensor Awake(touch fingerprint : HIGH)

VTouch

Power

Sensor Power

I/O

USB D+

I/O

USB D-

Table 2.

Connection Type: XH-1.25-8PConnection

User’s Manual for Fingerprint Module TFP821 www.toyonway.com

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Basic concept.

Available resources

Size(byte)

Description

Image Buffer

160*160

Store image (name as ImageBuffer)

Template Buffer

448 * 3

Store 3 Templates(name as CharBuffer1 ~ 3)

Fingerprint database

Template x (300)

Note

32 * 15

One note is of size 32 bytes.

There are 15 record of note(address 0x0~0xe)

You can use this to store binary data you want.

Table 3.

Module Parameters

member

value

Description

Module Status

Static

Module Address

0xFFFFFFFF

Static

Fingerprint

Capacity

300

Static

Security Level

Static

Baud Rate

USB

UART 9600 bps

UART 19200 bps

UART 38400 bps

UART 57600 bps

default factory

setting

UART 115200 bps

Table 4.

Remark:

(1) The module does not support both USB and UART at the same time.

User’s Manual for Fingerprint Module TFP821 www.toyonway.com

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When you test the module with PC, you can determine whether USB is available or not

in windows explorer.

If CD Drive does not appear, you can use UART communication.

(2) Module parameters would be effective after reset of module.

Communication Protocol

The protocol defines the data exchanging format when the module communicates with PC or

other Hosts.

Package format

Header

Address

Package Kind

Package Length

Content

Check Sum

2 bytes

4 bytes

1 byte

2 bytes

(N-2) Bytes

2 Bytes

Table 5-1

Name

Symbol

Size

Description

Header

START

0xEF01

Address

ADDR

0xFFFFFFFF, module address

Package

Kind

PID

0x01

Command packet

0x02

Data packet

0x07

Response(ACK) packet

0x08

Last data packet

Package

Length

LENGTH

sum of lengths of (Content) and (Check sum)

Content

PAYLOAD

Check

sum

SUM

Accumulated sum of each byte from (PID) to (Content)

Table5-2

Remark: The module uses big-endian.

Packet example (length 12 bytes):

START

ADDR

PID

LENGTH

PAYLOAD

SUM

0xEF

0x01

0xFF

0x01

0x00

0x03

0x01

0x00

0x05

Table 5-3

User’s Manual for Fingerprint Module TFP821 www.toyonway.com

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Command Code

Value

Name

Description

0x01

GetImg

Capture image(with finger detection)

0x02

Img2Tz

Extract feature

0x03

Match

Match two features

0x04

Search fingerprints in DB

0x05

RegModel

Merge two features into one template

0x06

StoreModel

Store template into DB

0x07

LoadChar

Load template of DB into CharBuffer(1 or 2)

0x08

UpChar

Upload CharBuffer(1 or 2)’s data

0x09

DownChar

Download data into CharBuffer(1 or 2)

0x0A

UpImage

Upload image from ImageBuffer

0x0C

DeleteChar

Remove template from DB

0x0D

Empty

Remove all from DB

0x0E

SetSysPara

Set module parameters

0x0F

ReadSysPara

Read module parameters

0x12

SetPwd

Set module’s password

0x13

VfyPwd

Verify module’s password

0x18

WriteNotePad

Write one note(32 bytes)

0x19

ReadNotePad

Read one note(32 bytes)

0x1D

TemplateNum

Read template number in DB

0x1F

ReadConList

Read template valid flag data of DB

Table 6.

Response Code

value

Symbol

Description

0x00

RET_OK

Success

0x01

RET_InvalidPacket

Invalid Packet

0x02

RET_NoFinger

No finger in sensor

0x03

RET_StoreImageFail

Failed to store image into ImageBuffer

0x06

RET_TooLowQuality

Image quality is too low to extract feature

0x07

RET_TooFewPoint

Feature point is too few to extract feature

0x08

RET_NotMatched

Features( or Templates) were not matched

0x09

RET_NotIdentified

Not found matched fingerprint

0x0A

RET_MergeFail

Failed to merge features

0x0B

RET_InvalidTempID

Template ID is not in available range.

0x0C

RET_ReadTempFail

Failed to read template from DB

0x0D

RET_UpTempFail

Failed to upload template(or feature)

0x0E

RET_ModBusyErr

Currently, the module can’t receive packet

User’s Manual for Fingerprint Module TFP821 www.toyonway.com

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0x0F

RET_UpImgFail

Failed to upload image

0x10

RET_RemoveTempFail

Failed to remove template from DB

0x11

RET_RemoveAllFail

Failed to remove all templates from DB

0x13

RET_InvalidPwd

Invalid Password

0x15

RET_InvalidImg

There is no valid image data in ImageBuffer

0x20

RET_InvalidMAddr

Invalid Module Address

0x21

RET_NeedVfyPwd

Need to verify password

Table 7

Command

GetImg

-Operation

Capture fingerprint image. Normally,

When get first command “GetImg” after reset, it runs like follows;

Get Full Image

Start

Finger

Detection

Return RET_OK

End

Return RET_NoFingerr

Return RET_StoreImgFail

No Finger

I/O Error

Finger exists

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