Summary of Contents for Miaxis Biometrics SM-621
- Page 1 Miaxis Biometrics Co., Ltd. http://www.miaxis .com SM-621 Fingerprint Verification Module User Manual （V1.0） Miaxis Biometrics Co., Ltd. January 24, 2007...
- Page 2 Miaxis’ intellectual property rights. _______________________________________________________________________________ Miaxis, Miaxis Logo as well as JusTouch are trademaeks of Miaxis Biometrics Co., Ltd. All other brands or products may be trademarks, service marks or registered marks of their respective owners. All information referred to in this manual is owned by Miaxis Biometrics Co., Ltd.
-
Page 3: Table Of Contents
All Rights Reserved. Miaxis Biometrics Co. ,Ltd Table of Content I System Description....................5 1.1 System Feature ......................5 1.2 Application .........................6 1.3 Related Terms Regarding Fingerprint Verification System........6 II Specification & Interface ..................7 2.1 Technical Parameter ....................7 2.2 Sensor Dimension.......................7 2.3 External Interface ......................8 III Communication Protocol ..................9... - Page 4 All Rights Reserved. Miaxis Biometrics Co. ,Ltd 4.3.15 Empty Fingerprint Database ................... 26 4.3.16 Read System Parameter List................... 27 4.3.17 Set Security Level ......................28 4.3.18 Set Password........................29 4.3.19 Verify Password ......................29 4.3.20 System Reset ......................... 30 4.3.21 Light Flash Indication ....................31 4.3.22 Write Notepad........................
-
Page 5: I System Description
Biometrics Co., Ltd. in 2007. SM-621 module series adopt optic fingerprint sensor, which consists of high-performance DSP processor and chips such as Flash, etc. SM-621 is able to conduct fingerprint image processing, template generation, template matching, fingerprint searching, template storage, etc. Compared... -
Page 6: Application
Miaxis Biometrics Co. ,Ltd User can set different security level according to different application environment. 1.2 Application SM-621 can be widely used on all low or high level fingerprint verification systems, such as Ordinary safety cabinet, door lock; Complicated access control system;... -
Page 7: Specification & Interface
All Rights Reserved. Miaxis Biometrics Co. ,Ltd II Specification & Interface 2.1 Technical Parameter Item Parameter Test Condition System Power Supply 3.6V-7V ＜ 100mA Working Current ＜ 120mA Peak Current ＜ 250ms Fingerprint Image Enrollment Time ＜ 600ms 1:1 Verification Time... -
Page 8: External Interface
All Rights Reserved. Miaxis Biometrics Co. ,Ltd available fingerprint image enrollment area. “ （） ”is the approx data 2.3 External Interface The external is a 6-pin single row socket, structured as per below: · · · · · · Definition for each pin is as follows:... -
Page 9: Communication Protocol
All Rights Reserved. Miaxis Biometrics Co. ,Ltd Note：TD conneNote：TD to HOST RXD; RD connects to HOST TXD Note: 1 pin with CN1 sign III Communication Protocol 3.1 Protocol Packet Type & Format HOST sends commands to realize various module functions. Module communications with HOST, such as receiving &... -
Page 10: Code & Decode
All Rights Reserved. Miaxis Biometrics Co. ,Ltd Data Packet 1 byte 4 bytes 2 bytes 128 bytes… 2 bytes Packet Equipment Packet Data Check Flag02 Address Code Length Note: In most cases, a single data packet not to be transmitted; usually it is a batch data (consisting of multiple data packets) transmission process. -
Page 11: Coding Examples
01H20H DDH… 3.3 Command Control Flowchart HOST or PC uses combined instructions to control SM-621 module to perform various tasks. This section provides some task instruction flowchart for user’s reference. 3.3.1 Template Enrollment Press finger twice to enroll a fingerprint template and store to flash fingerprint database. -
Page 12: Upload Template
All Rights Reserved. Miaxis Biometrics Co. ,Ltd Start Send Command: Send Command: Send Command: Indicate fingerprints CmdDetectFinger CmdDetectFinger not matched Finger On? Finger On? Send Command: Send Command: CmdGetImage CmdGetImage Send Command: Buffer A Send Command: Buffer B CmdGenTemplet CmdGenTemplet... -
Page 13: Fingerprint Verification
All Rights Reserved. Miaxis Biometrics Co. ,Ltd Start Send Command: LoadTemplet Parameter: PageID, OutBuffer Send Command: UpTemplet Last data packet? Parameter: OutBuffer Ready? Receive subsequent data packet 3.3.3 Fingerprint Verification Read the current fingerprint on the sensor and search in the fingerprint database ranging from 10-100. -
Page 14: Module Command
All Rights Reserved. Miaxis Biometrics Co. ,Ltd IV Module Command 4.1 Command Set Command & Code Function DetectFinger Detect finger on sensor GetImage Get image from sensor GenTemplet Generate fingerprint minutiae from images MoveTemplet Move characteristic file among three buffers... -
Page 15: Confirm Code Definition
All Rights Reserved. Miaxis Biometrics Co. ,Ltd 4.2 Confirm Code Definition Confirm Definition Code Command execution finished or OK； Packet receive error； No finger on sensor； Fingerprint image enrollment failure； Finger too dry or fingerprint too light and minutiae fail to be generated；... -
Page 16: Command In Detail
All Rights Reserved. Miaxis Biometrics Co. ,Ltd Empty fingerprint database failure； Fail to sleep; Incorrect Password; System reset failure; Invalid fingerprint data in the current image buffer; Online upgrade failure; There is fingerprint remaining on sensor or pressing finger on sensor for too long;... -
Page 17: Enroll Image
All Rights Reserved. Miaxis Biometrics Co. ,Ltd 1 byte 4 bytes 2 bytes 1 byte 2 bytes Packet Resvd Packet Confirm Check Sum Flag Length Code 00H x 4 0001H Note: Confirm Code=00H Finger detected; Confirm Code=01H Packet receive error;... -
Page 18: Generate Minutiae
All Rights Reserved. Miaxis Biometrics Co. ,Ltd 4.3.3 Generate Minutiae Command: GenTemplet Function: Generate minutiae as defined in system Configuration List. Fingerprint characteristic file, generated from images in ImageBuffer, is stored in CharBufferA or CharBufferB. Input Parameter: BufferID(Minutiae buffer No.) -
Page 19: Move Minutiae Files
All Rights Reserved. Miaxis Biometrics Co. ,Ltd 4.3.4 Move Minutiae Files Command: MoveTemplet Function: Move characteristic file from one buffer to another Input Parameter: SrcBufferID(source buffer ID)，DstBufferID(Destination Buffer ID) Output Parameter: Confirm Bit Command Code: Command Packet Format: 1 byte... -
Page 20: Search Fingerprint
All Rights Reserved. Miaxis Biometrics Co. ,Ltd Response Packet Format: 1 byte 4 bytes 2 bytes 1 byte 2 bytes 2 bytes Packet Resvd Packet Confirm Scores Check Sum Flag Length Code 00H x 4 0001H Note: Confirm Code=00H Fingerprint matches;... -
Page 21: Merge Minutiae（Generate Template
All Rights Reserved. Miaxis Biometrics Co. ,Ltd Confirm Code=09H Fingerprint not found. Page number and user info indicates “0”. Sum means Check Sum *The function to write user information reserved for the moment. 4.3.7 Merge Minutiae（Generate Template） Command: MergeTwoTemplate Function: Merge the files from CharBufferA and CharBufferB to generate template;... -
Page 22: Read Template
All Rights Reserved. Miaxis Biometrics Co. ,Ltd Return Parameter: Confirm Bit Command Code: Command Packet Format: 1 byte 4 bytes 2 bytes 1 byte 1 byte 2 bytes 2 bytes Packet Module Packet Command Buffer ID Page Check Flag Address... -
Page 23: Upload Minutiae Or Template
All Rights Reserved. Miaxis Biometrics Co. ,Ltd 1 byte 4 bytes 2 bytes 1 byte 2 bytes Packet Resvd Packet Confirm Check Sum Flag Length Code 00H x 4 0001H Note: Confirm Code=00H Read successful; Confirm Code=01H Packet receive error;... -
Page 24: Download Minutiae Or Template
All Rights Reserved. Miaxis Biometrics Co. ,Ltd 4.3.11 Download Minutiae or Template Command: DownTemplet Function: HOST download characteristic file to the buffer in module Input Parameter: BufferID (Buffer ID) Return Parameter: Confirm Bit Command Code: Command Packet Format: 1 byte... -
Page 25: Download Image
All Rights Reserved. Miaxis Biometrics Co. ,Ltd Note: Module Address default value is 0 Response Packet Format: 1 byte 4 bytes 2 bytes 1 byte 2 bytes Packet Resvd Packet Confirm Check Sum Flag Length Code 00H x 4 0001H Note: Confirm Code=00H Continue to send subsequent data packets;... -
Page 26: Delete A Template
All Rights Reserved. Miaxis Biometrics Co. ,Ltd Sum means Check Sum Receive subsequent data packets after reception of response. Data Packet Length must be 128 (please refer to 3.1 for data packet format). One byte includes 2 pixels, each occupying 4 bits. -
Page 27: Read System Parameter List
All Rights Reserved. Miaxis Biometrics Co. ,Ltd Flag Address Length Code 00H x 4 0001H 0010H Note: Module Address default value is 0 Response Packet Format 1 byte 4 bytes 2 bytes 1 byte 2 bytes Packet Resvd Packet Confirm Code... -
Page 28: Set Security Level
All Rights Reserved. Miaxis Biometrics Co. ,Ltd 00H x 4 0001H 0011H Note: Module Address default value is 0 Response Packet Format: 1 byte 4 bytes 2 bytes 1 byte 50 bytes 2 bytes Packet Resvd Packet Confirm Parameter List... -
Page 29: Set Password
All Rights Reserved. Miaxis Biometrics Co. ,Ltd 4.3.18 Set Password Command: SetPwd Function: Set module handshaking password Input Parameter: PassWord Return Parameter: Confirm Bit Command Code: Command Packet Format: 1 byte 4 bytes 2 bytes 1 byte 4 bytes 2 bytes... -
Page 30: System Reset
All Rights Reserved. Miaxis Biometrics Co. ,Ltd Note: Module Address default value is 0 Response Packet Format: 1 byte 4 bytes 2 bytes 1 byte 2 bytes Packet Resvd Packet Confirm Check Flag Length Code 00H x 4 0001H Note: Confirm Code=00H Correct password;... -
Page 31: Light Flash Indication
All Rights Reserved. Miaxis Biometrics Co. ,Ltd 4.3.21 Light Flash Indication Command: FlashLED Function: Instruct Module to flash lights as per request Input Parameter: LEDcode LEDcode LED Flash Mode Red light flashes once Red light flashes twice Red light flashes three times... -
Page 32: Write Notepad
All Rights Reserved. Miaxis Biometrics Co. ,Ltd Packet Module Packet Command LED code LED time Check Flag Address Length Code 00H x 4 0003H LEDcode LEDtime Note: Module Address default value is 0 Response Packet Format: 1 byte 4 bytes... -
Page 33: Read Notepad
All Rights Reserved. Miaxis Biometrics Co. ,Ltd 4.3.23 Read Notepad Function: Read the 32bytes user data in the FLASH Input Parameter: None Return Parameter: Confirm Bit+ Notepad information Command Code: Command Packet Format: 1 byte 4 bytes 2 bytes 1 byte... -
Page 34: Check Fingerprint Database
All Rights Reserved. Miaxis Biometrics Co. ,Ltd Command Code: Command Packet Format: 1 byte 4 bytes 2 bytes 1 byte 1 byte 2 bytes Packet Module Packet Command Buffer ID Check Flag Address Length Code 00H x 4 0002H BufferID... - Page 35 All Rights Reserved. Miaxis Biometrics Co. ,Ltd 1 byte 4 bytes 2 bytes 1 byte 2 bytes Packet Resvd Packet Confirm Check Sum Flag Length Code 00H x 4 0001H Note: Confirm Code=00H There is valid template within the designated page ID；...
-
Page 36: Attachmentⅰ Methods To Lower Frr
All Rights Reserved. Miaxis Biometrics Co. ,Ltd AttachmentⅠ Methods to Lower FRR After template enrollment, verify the fingerprint again. If it is verified, the template is valid and reserve the template for future use; If fail to verified, template is invalid and should enroll again.
Need help?
Do you have a question about the SM-621 and is the answer not in the manual?
Questions and answers