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Grow R503 User Manual
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1
www
.hzgrow
.c
om
R503
Fingerprint
Module
User
Manual
Hangzhou
Grow
T
echnology
Co.,
Ltd.
2022.10
V
er:
1.2.2
2
Table of Contents
Table of Contents
4
I Introduction
6
Operation Principle
6
II Hardware Interface
7
Exterior Interface
7
Serial Communication
7
Hardware Connection
8
Serial Communication Protocol
8
Power-On Delay Time
8
Power Supply Requirements
8
Ripple Noise
9
III System Resources
10
Notepad
10
Buffer
10
Fingerprint Library
10
System Configuration Parameters
10
Baud Rate Control (Parameter Number: 4)
11
Security Level (Parameter Number: 5)
11
Data Package Length (Parameter Number: 6)
11
System Status Register
11
Module Password
11
Module Address
11
Random Number Generator
12
Features and Templates
12
IV Communication Protocol
13
Data Package Format
13
Instruction Table
14
Check and Acknowledgement of Data Package
14
Module Instruction System
16
System-Related Instructions
16
Verify Password Vfypwd
16
Set Password Setpwd
16
Templetenum
18
Readindextable（0X1F
19
Fingerprint-Processing Instructions
20
Getimg
20
Upload Image Upimage
20
Downimage
21
To Generate Character File from Image Genchar
22
Regmodel
22
Upchar
23
Read Product Information Readprodinfo (0X3C)
31
Soft Reset Softrst (0X3D)
31
Aura Control Auraledconfig (0 X35)
32
Other Instructions
37
Getrandomcode
37
To Read Information Page
37
Readinfpage
37
Ⅵ Operation Process
40
Register Fingerprint
40
Search Fingerprint
41
Automatic Register Fingerprint
42
Automatic Fingerprint Verification
43
Upload Fingerprint Template
44
The Fingerprint Is Obtained from the Sensor and the Feature Is Generated then Upload to the Main Control
44
Read a Specified Template Upload to Flash Fingerprint Database
45
Download Fingerprint Template
46
The Main Control Downloads a Fingerprint Feature and Searches the Fingerprint Database Based on the Feature
46
Low Power Standby
49
Ⅶ Reference Circuit
50
4
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Grow R503 Specifications
General
Model
R503
Interface
UART
Communication Baud Rate
9600BPS
Operating Temperature
-20°C to 60°C
FAR
0.001%
FRR
0.1%
Resolution
508 DPI
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