Laird Vela IF820, User Manual

Page: 11 / 25

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Note 1: Required for dropping an SPP connection in EZ-Serial transparent parse mode.
Table 4: Antenna type dual row 2.54mm pitch pin header mapping table
Header Connector Connector.pin
Connect to
IF820 pin
number
IF820 Module
pre-defined
function
Install
jumper to
work with
J1.2 6 SPI_CS MikroE socket
J1.4 7
GPIO (P8 in
CYW20820)
MikroE socket
J1.6 8 SWDCLK RP2040
J1.8 9 SWDIO RP2040
J1.10 10 SPI_SCK MikroE socket
J1.12 11 SPI_MISO MikroE socket
J1.14 12 CYSPP ( Note1 ) RP2040
J1.16 13 SPI_MOSI MikroE socket
J1.18 14 P_UART_CTS RP2040
J1.20 15 P_UART_RXD RP2040
J1.22 16 P_UART_RTS RP2040
J1.24 17 P_UART_TXD RP2040
J2.1 no GND no
J2.3 24 BT_UART_RTS RP2040
J2.5 no empty no
J2.7 26 BT_UART_RXD RP2040
J2.9 25 BT_UART_TXD RP2040
J2.11 27 BT_UART_CTS
RP2040 and
recovery
button (SW2)
J2.13 29
BT_HOST_WAK
E
RP2040
J2.15 28 BT_DEV_WAKE RP2040
J2.17 37
GPIO (P4 in
CYW20820)
for LED1
J2.19 35 I
2
C_CLK
MikroE socket
and Qwiic
J2.21 19
GPIO (P5 in
CYW20820)
MikroE socket
J2.23 18
GPIO (P14 in
CYW20820)
MikroE socket
J3.1 33
GPIO (P27 in
CYW20820)
RP2040
J3.3 35 I
2
C_DATA
MikroE socket
and Qwiic
J3.5 34 RST_L
RP2040 and
reset button
(SW301)
J3.7 36
GPIO (P26 in
CYW20820)
MikroE socket
J3.9 32
GPIO (P0 in
CYW20820) for user
button (SW1)
J3.11 31 CP_ROLE RP2040
J3.13 30 LP_MODE RP2040
Note 1: Required for dropping an SPP connection in EZ-Serial transparent parse mode.