PIN FUNCTION DESCRIPTION
PIN FUNCTION DESCRIPTION
Pin
Name
Description
1
VCC
5V power supply
2
VCC
5V power supply
3
VCCLNA
5V LNA power supply
4
RFIN
RF input
5
GNDLNA
LNA ground
6
GNDSUB
Ground
7
PFD
Access to VCO control voltage
8
GNDVCO
VCO ground
9
GND
Ground
10
XTAL1
Reference oscillator crystal
11
XTAL2
Reference oscillator crystal
12
CAGC
IF AGC capacitor for OOK
Reference for FSK
13
DMDAT
Demodulated data (OOK & FSK modulation)
14
RESETB
State Machine Reset
15
MISO
SPI interface I/O
16
MOSI
SPI interface I/O
17
SCLK
SPI interface clock
18
VCCDIG
5V digital power supply
19
GNDDIG
Digital ground
20
RCBGAP
Reference voltage output
21
STROBE
Strobe oscillator control
Stop/Run external control input
22
CAFC
AFC capacitor
23
MIXOUT
Mixer output
24
CMIXAGC
Mixer AGC capacitor
2
MC33591 Technical Data
MOTOROLA