MC33596_10 Datasheet, PDF (59/70 Pages) Freescale Semiconductor, Inc – PLL Tuned UHF Receiver for Data Transfer Applications

Application Schematics
20.1.2 Receiver Schematics in 3V Operation—Strobe Oscillator
Mode
L1
C3
C4
C13
1nF
SW ITCH
C12
100pF VCC2
VCC
C11
100nF
C1
100nF VCC2
C2 1nF
VCC2
C5
100pF
1
RSSIOUT
2
VCC2RF
3
RFIN
4
GND LNA
5 _VCC2VCO
6 _GND
7 _NC
8 _GND
U18
MC33596
24
SEB
23
SCLK
22
MOSI
21
MI SO
CONFB ²⁰
DATACLK ¹⁹
RSSIC ¹⁸
GNDDIG ¹⁷
3V
GND
VCC VCC
R2
R3
10k
10k
RS SI OUT
ST ROBE
SEB
SCLK
MOSI
MI S O
CON FB
DATACLK
RS SI C
C6
6.8pF
C7
1nF
X4
C8
100nF
VCC
V CC 2
C9
100nF
C10
100nF
R1
470k 1%
Figure 44. MC33596 Application Schematic in Strobe mode (3 V)
The ON/OFF sequencing in receive mode is controlled internally. The STROBE pin from the MCU has to
be configured in high impedance and wakeup mode is available when SOE bit is enabled.
MC33596 Data Sheet, Rev. 4
Freescale Semiconductor
59