PRELIMINARY
CYWM6935PAEC
Document #: 001-07822 Rev. **
Page 3 of 10
Pin Definitions
Table 3-1. Pin Description Table for the CYWM6935PAEC
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
eTx
Input
Transmit Enable. Active high control signal from MCU to Radio Module.
12
eRX
Input
Receive Enable. Active high control signal from MCU to Radio Module.
Figure 3-2. CYWM6935PAEC Header Pin-out
12-pin
2mm
header
1
2
3
4
5
6
7
8
9
10
11
12
GND
GND
VCC
IRQ
MOSI
SCK
nRESET
nSS
MISO
nPD
eTx
eRx
