RFM219SW Datasheet, PDF (7/35 Pages) List of Unclassifed Manufacturers – Wireless Alarm and Security Systems

2. Pin Descriptions
RFM219SW
Figure 2. Pin Diagram
Pin Number
1
2
3,14
4
5
6
7
8
9
10, 11
12
13
Name
ANT
VDD
GND
CSB
SDA
SCL
FCSB
GPO4
GPO3
NC
GPO2
GPO1
Table 6. RFM219SW Pin Descriptions
I/O
Descriptions
I RF signal input to the LNA
I Power supply input, 1.8 V to 3.6 V
I Ground
I 4-wire SPI chip select input, active low, internally pulled high
IO 4-wire SPI data input and output
I 4-wire SPI clock input, internally pulled low
4-wire SPI FIFO select input, active low. leave floating when programming the
I
EEPROM, internally pulled high
O General purpose output, options are: DOUT (Default), INT1, INT2 and DCLK
O General purpose output, options are: CLKO (Default), INT1, INT2 and DOUT
-- Not Connected
O General purpose output, options are: INT1 (Default), INT2 and DCLK
O General purpose output, options are: nRSTO (Default), INT1, INT2 and DOUT
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