Rfid Module

RFID MODULE

Mifare Read/Write Module

SL025M

User Manual

Version 1.2
Jun 2011
StrongLink

StrongLink

SL025M

CONTENT
1. MAIN FEATURES ................................................................................... 3
2. PINNING INFORMATION .................................................................... 4
3. BAUD RATE SETTING.......................................................................... 5
4. COMMUNICATION PROTOCOL........................................................ 5
4-1. Communication Setting ........................................................................... 5
4-2. Communication Format ........................................................................... 5
4-3. Command Overview................................................................................ 6
4-4. Command List ......................................................................................... 7
4-4-1. Select Mifare card ................................................................................ 7
4-4-2. Login to a sector ................................................................................... 7
4-4-3. Download Key intoSL025 .................................................................. 7
4-4-4. Login sector via stored key .................................................................. 8
4-4-5. Read a data block ................................................................................. 8
4-4-6. Write a data block ................................................................................8
4-4-7. Read a value block ............................................................................... 8
4-4-8. Initialize a value block ......................................................................... 9
4-4-9. Write master key (key A) ..................................................................... 9
4-4-10. Increment value.................................................................................. 9
4-4-11. Decrement value............................................................................... 10
4-4-12. Copy value........................................................................................ 10
4-4-13. Read a data page (UltraLight) .......................................................... 10
4-4-14. Write a data Page (UltraLight)......................................................... 11
4-4-15. Manage Red Led .............................................................................. 11
4-4-16. Get firmware version........................................................................ 11

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SL025M

1. MAIN FEATURES

 Tag supported: Mifare 1k, Mifare 4k, MifareUltraLight
 Auto-detecting tag
 Built-in antenna
 UART interface on COMS level, baud rate 9,600 ~ 115,200 bps
 4.4 ~ 12.0VDC power supply
 Work current less than 80mA
 Operating distance: Up to 70mm, depending on tag
 Storage temperature: -40 º ~ +85 º
C
C
 Operating temperature: -25 º ~ +70 º
C
C
 Dimension: 80 × 55 mm
 Two LEDs, green led is auto light when tag in detectionrange, red led
is controlled by host
 The OUT pin at low level indicates tag in detective range, and high
level indicating tag out

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StrongLink

SL025M

2. PINNING INFORMATION

PIN

SYMBOL

TYPE

1

TagSta

Output

2
3
4
5

TXD
RXD
VCC
GND

Output
Input
PWR
PWR

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DESCRIPTION
Tag detect signal
lowlevel indicating tag in detection range
high level indicating tag out
Serial output port
Serial input port
Power Supply
Ground

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StrongLink

SL025M

3. BAUD RATE SETTING
Two 820 ohm resistances R6 & R7 are used for setting baud rate as follows sheet
R7
no
no
yes

yes

Assembled

R6
no
yes
no

yes

Baud rate bps
9,600
19,200
57,600
115,200
( default )

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