Users Manual

RF1276D27 Long Distance Transceiver module V4.0
- 11 - 2016-6-12
Serial
Baudrate
Kbps 1
1.2, 2.4, 4.8, 9.6, 19.2, 38.4, 57.6 equals to
1,2,3,4,5,6,7
Parity 1
0: No parity; 1: Odd parity; 2:
Even parity
Freq. KHz 3
The value=Frequency/61.035. E.g. For
433MHz, the value=
433000000/61.035
RF_Factor Chips 1
7=128, 8=256, 9=512, 10=1024, 11=2048,
12=4096
RF_BW Kbs 1
6=62.5K，7=125K，8=256K，9=512K
Output
power
dBm 1 1~7; 1 refers to 4dBm and 7 for 20dBm
Breath s 1 0=2s，1=4s，2=6s，3=8s, 4=10s
Wake
Timer
ms 1
0=2ms, 1=4ms, 2=8ms 3= 16ms 4= 32ms,
5= 64ms;
Parameter Length & Value Range
5. CS refers to CRC code which is the remainder of the sum of data section divided by 256In order to
understand the command.The section will demonstrate the use of commands by some examples.
Write Command Code: 0x01
Command: 0xAF, 0xAF, 0x00, 0x00, 0xAF, 0x80, 0x01, 0x0C, .... CS, 0x0D, 0x0A
Response.: 0xAF, 0xAF, 0x00, 0x00, 0xA F, 0x00, 0x01, 0x0C, .... CS, 0x0D, 0x0A
Read Command Code: 0x02
Command: 0xAF, 0xAF, 0x00, 0x00, 0xAF, 0x80, 0x02, 0x02,0x00,0x00,0x91, 0x0D, 0x0A
Response.: 0xAF, 0xAF, 0x00, 0x00, 0xAF, 0x00, 0x02, 0x02,0x00,0x00,0x91, 0x0D, 0x0A
Standard Mode Command Code: 0x03
Command: 0xAF, 0xAF, 0x00, 0x00, 0xAF, 0x80, 0x03, 0x02, 0x00, 0x00, 0x92, 0x0D, 0x0A
Response.: 0xAF, 0xAF, 0x00, 0x00, 0xAF, 0x00, 0x03, 0x02, 0x00, 0x00, 0x92, 0x0D, 0x0A