Uniform FSK7108 User Manual
V1.4
1
PCT 433MHz TX/RX Module
General Description:
PCT 433MHz TX/RX module is designed for low cost 433MHz ISM band wireless
applications using AMICCOM A7108 FSK transceiver with Microchip PIC16LF1824
MCU. Module can be controlled by UART port. Transmitted data will be encrypted
by CRC. The maximum data rate is 250kbps. Maximum output power is 1.67dBm.
Interface:
I/O Port
Pin No. Symbol Function Description
1 VCC 3.3V power supply
2 OSC Grond
3 RX UART RX Pin
4 TX UART TX Pin
5 GND Ground
Firmware Upgrade Port
Pin No. Symbol Function Description
1 VDD 3.3V power supply
2 VPP MCU programming voltage
3 SPDAT MCU program data pin
4 SPCLK MCU program clock pin
5 GND Ground
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Application:
Logistic,
Container,
Warehouses,
Access Control,
Properties Tracking,
Security,
Home automation,
Wireless Sensor,
Communication Protocol:
1. UART Specification
Baud Rate：9600
Data：8 bit
Parity：None
Stop：1 bit
Flow control: None
Package Size: 32bytes
2. Data Format:
Address Description
1 Start byte 0XAA
2~3 Customer ID
4~5 Machine ID
6~31 Data
32 Checksum
3. Paring
Press and hold 2 buttons on RX module will start paring. Machine ID (2 bytes)
will be stored in RX/TX module.
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(ID:
4. Transmitter
Initialization: (System to Module)
Address
1 Start byte
2 TX/RX 1 0X00 (TX: 0X00, RX: 0X01)
3
4-31 Data 28 TBC
32 Checksum 1 Checksum
Name Type No.of Byte Description
1 0XAA (0XAA for TX module)
Normal: 0X00, Test Mode: 0x01. No frequency
Test Mode 1
hopping in test mode.
Data: (System to Module)
Address
1 Start Byte
2 Machine ID 1 Machine ID of RX module to be sent(ID: 1 to 64)
3-31 Data 29 Customer can define the data format
32 CheckSum 1 Checksum of 31 bytes data
Name Type No.of Byte Description
1 Start byte equal to 0x55
Data: (Module to System)
Address
1 Start Byte
2
3-30 Data 29 Customer can define the data format
32 CheckSum 1 Checksum of 31 bytes data
Name Type No.of Byte Description
1 0X88 Data Transmitted success, No Data received.
0X8A Data Transmitted success, Data Received.
0X80 UART Transmitted failed
0X81 Data Transmitted failed
Machine ID of RX module that data received
Machine ID 1
1 to 64)
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