Module Connections - Infineon AIROC CYBLE-343072-02 Manual

AIROC™ Bluetooth® LE module

Module connections

4 Module connections
Table 4 details the solder pad connection definitions and available functions for the pad connections for the
CYBLE-3x307x-02 module.
and denotes what functions are available for each solder pad.
Table 4 Pin assignments
Module pad Pad
name number
Microphone
MIC_AVDD
MIC_BIAS
MIC_N
MIC_P
GND_A 23 28
Power supply
VDD
Ground pins
GND 1 19 22 43
UART
UART_CTS_N
UART_RTS_N
UART_RXD
UART_TXD
Interface
SPI_MISO
NA
NA
NA
Crystal
NA
NA
XTALI_32K
XTALO_32K
Others
NA
Preliminary Datasheet
Table 4 lists the solder pads on the CYBLE-3x307x-02 module, the silicon device pin,
Silicon pin name
Microphone
24 MIC_AVDD
27 MICBIAS
25 MICN
26 MICP
Analog ground for microphone
2 2.5V~3.6V
Ground pins
HS-VSS
UART
29 UART_CTS_N
30 UART_RTS_N
32 UART_RXD
31 UART_TXD
Serial peripheral
interface
33 SPI_MISO
NA SPI_MOSI
NA SPI_CSN
NA SPI_CLK
Crystal
NA BT_XTALI
NA BT_XTALO
20 XTALI_32K
21 XTALO_32K
Others
NA DEFAULT_STRAP
Power
I/O
domain
I MIC_AVDD
O MIC_AVDD
I MIC_AVDD
I MIC_AVDD
I VSS
I, PU VDDO
O, PU VDDO
I VDDO
O, PU VDDO
I VDDO
O VDDO
O VDDO
O VDDO
I PLLVDD1P2
O PLLVDD1P2
I VDDO
O VDDO
I VDDO
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Description
Microphone supply
Microphone bias supply
Microphone negative input
Microphone positive input
Digital ground
CTS for HCI UART interface: NC if
unused.
RTS for HCI UART interface. NC if
unused.
UART serial input. Serial data input
for the HCI
UART interface.
UART serial input. Serial data input
for the HCI
UART interface.
SPI Master In Slave Out
SPI Master Out Slave In
SPI Chip Select
SPI Clock
Crystal oscillator input: see
"Crystal Oscillator" on page 12 for
options
Crystal oscillator output
Low-power oscillator input
Low-power oscillator output
Connect to VDDO
002-33419 Rev. **
2021-07-22