Laird Controls North America Inc. 79545 ユーザーズマニュアル
LRM Radio Module – Host Interface Specification
Host Interface Definition
Document p/n: 9S02-7954-A501 Rev. A
2015 LAIRD
Proprietary and Confidential
Page 3-2
3.
Host Interface Definition
3.1
Pins Assignment
Description
IO
Signal
Pin
Number
Signal
IO
Description
49
50
GND
Ground
47
48
RX_BB
O
RX Baseband signal
45
46
43
44
41
42
I2C clock /
SPI clock
IO/
O
I2C_SCL /
SPI_SCK
39
40
SPI_PLE
I
SPI Strobe
SPI data input
I
SPI_PDI
37
38
I2C_SDA /
SPI_PDO
SPI_PDO
IO /
O
O
I2C Data /
SPI data output
SPI data output
35
36
33
34
31
32
Data transfer Handshaking
Signal
O
!READY
29
30
3.3V DC supply
I
3V3
27
28
Receive data
O
RXD
25
26
TXD
I
Transmit Data
RX Enable
I
!RX_EN
23
24
!TX_EN
I
Tx Enable
Serial port Configuration
mode
I
!CONFIG
21
22
GND
Ground
19
20
DCLK
O
Data Clock
17
18
15
16
13
14
11
12
9
10
Reset
I
!RESET
7
8
CPU flash mode
I
!PGM
5
6
Ground
GND-PA
3
4
GND-PA
Ground
Voltage Supply, RF power
amplifier
I
VPA
1
2
VPA
I
Voltage Supply, RF power
amplifier
amplifier
Table 3.1 – Host Interface pins assignment