Ordering Information ......................................................................................................................................................... 4
Absolute Maximum Ratings .............................................................................................................................................. 7
Control (3-wire) Interface ...................................................................................................................................... 10
Control Interface Timing ........................................................................................................................................ 14
Data Interface and Bit Synchronization ......................................................................................................................... 17
Additional Considerations in the Use of Synchronizer (Sync_en = 1) .................................................................. 19
Frequency Synthesizer .................................................................................................................................................... 20
Front End............................................................................................................................................................... 24
XCOtune Procedure Example ......................................................................................................................................... 27
Power Amplifier ..................................................................................................................................................... 28
Frequency Modulation........................................................................................................................................... 29
VCO Modulation and the Modulator ...................................................................................................................... 30
System Modes and Initialization ..................................................................................................................................... 33
Start-up and Initialization....................................................................................................................................... 33
Modes of Operation ............................................................................................................................................... 33
Message Coding and Formatting ................................................................................................................................... 34
DC Balanced Line Coding ..................................................................................................................................... 34
Bill of Materials ................................................................................................................................................................. 36
Overview of Programming Bits....................................................................................................................................... 38
Detailed Description of Programming Bits .................................................................................................................... 39
Package Information and Recommended Landing Pattern ......................................................................................... 46
October 2, 2013
3
Revision 2.2
Micrel, Inc.
MICRF507
RadioWire
®
FSK Transceiver Selection Guide
Part Number
MICRF505
MICRF505L
MICRF506
MICRF507
Frequency Range
850MHz to 950MHz
850MHz to 950MHz
410MHz to 450MHz
470MHz to 510MHz
Maximum Data
Rate
200kbps
200kbps
200kbps
200kbps
Receive
Current
13.5mA
13.5mA
12mA
12mA
Supply Voltage
2.0 to 2.5V
2.25 to 5.5V
2.0 to 2.5V
2.0 to 2.5V
Transmit Current
28mA
28mA
21.5mA
21.5mA
Package
QFN-32
QFN-32
QFN-32
QFN-32
Ordering Information
Part Number
MICRF507YML TR
Junction Temperature Range
-40° to +85°C
Package
Pb-Free 32-Pin QFN
Pin Configuration
32-Pin QFN
Pin Description
Pin Number
1
2
3
4
5
6
7
Pin Name
RFGND
PTATBIAS
RFVDD
RFGND
ANT
RFGND
RFGND
I/O
O
Type
Pin Function
LNA and PA ground.
Connection for bias resistor.
LNA and PA power supply.
LNA and PA ground.
Antenna Input/Output.
LNA and PA ground.
LNA and PA ground.
October 2, 2013
4
Revision 2.2
Micrel, Inc.
MICRF507
Pin Description (Continued)
Pin Number
8, 16, 17, 32
9
10
11
12
13
14
15
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Pin Name
NC
CIBIAS
IFVDD
IFGND
ICHOUT
QCHOUT
RSSI
LD
DATACLK
DATAIXO
IO
SCLK
CS
XTALIN
XTALOUT
DIGVDD
DIGGND
CPOUT
GND
VARIN
VCOGND
VCOVDD
Exposed Paddle
I
O
O
O
O
O
O
I/O
I/O
I
I
I
I/O
O
Type
Pin Function
No connect. Leave these pins floating.
Connection for bias resistor.
IF/mixer power supply.
IF/mixer ground.
Test pin.
Test pin.
Received signal strength indicator.
PLL lock indicator.
RX/TX data clock output.
RX/TX data input/output.
3-wire interface data in/output
3-wire interface serial clock.
3-wire interface chip select.
Crystal oscillator input.
Crystal oscillator output or external reference input.
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