CYWM6935
PRELIMINARY
Document #: 38-16013 Rev. **
Page 2 of 5
3.1
Reference Documentation
For information on technical details of the WirelessUSB LR
2.4-GHz DSSS Radio SoC such as register settings, timing,
application interfaces, clocking, and power management, refer
to the data sheet of the CYWUSB6935 Radio SoC.
3.2
Applications Support
The CYWM6935 is available as a reference design, complete
with PCB layout files, schematics, and a bill of materials. The
CYWM6935 can be used with the CY3635 WirelessUSB N:1
sensor development kit, and the CY3632 WirelessUSB LS
development kit via a 1 x 14 adaptor board.
4.0
Pin Definitions
Table 4-1. Pin Description Table for the CYWM6935
Pin QFN
Name
Direction
Description
1
GND
–
Ground
2
VCC
–
Supply voltage for the entire Radio Module (2.7V-3.6V). It is recommended that 3.3V be
used for most applications.
3
IRQ
Output
Interrupt signal from Radio Module to the MCU
4
nRESET
Input
Active low reset signal from MCU to Radio Module
5
MOSI
Input
Master out, slave in SPI signal from MCU to Radio Module
6
nSS
Input
Active low slave select signal from MCU to Radio Module
7
SCK
Input
SPI clock from MCU to Radio Module
8
MISO
Output
Master in, slave out SPI signal from Radio Module to MCU
9
GND
–
Ground
10
nPD
Input
Active low power-down signal from MCU to Radio Module
11
N/C
–
No connect—leave open
12
N/C
–
No connect—leave open
Figure 4-1. CYWM6935 Header Pin-out
12-pin
2mm
header
12
34
56
78
910
11
12
GND
GND
VCC
IRQ
MOSI
SCK
nRESET
nSS
MISO
nPD
N/C
N/C
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