EVK-ANNA-B112 - User Guide
UBX-18018539 - R01
Product description
Page 18 of 29
Figure 16: Jumper headers J19 and J9 that are used to isolate specific ANNA signals
Connector
annotation
Pin number
Schematic net
name
Description
J19
1
RESET_N
Reset signal, active low
2
RESET_N_I
Connects to the Interface MCU’s reset line
3
SWDIO
SWD data signal
4
SWDIO_I
Interface MCU SWD data signal, used to program/debug the ANNA
module
5
SWDCLK
SWD clock signal
6
SWDCLK_I
Interface MCU SWD data signal, used to program/debug the ANNA
module
7
IO_31
ANNA-B112: BLUE signal
8
BLUE
RGB diode blue signal, active low
9
IO30/
SWITCH_1
ANNA-B112: SWITCH_1 and GREEN signal
10
GREEN
RGB diode green signal, active low
11
IO_29
ANNA-B112: RED signal
12
RED
RGB diode red signal, active low
J9
1
IO_25/
UART_DTR
ANNA-B112: UART DTR output
2
UART_DTR_I
UART to USB DTR signal
3
IO_26/
UART_DSR
ANNA-B112: UART DSR input
4
UART_DSR_I
UART to USB DSR signal
5
IO_34/
UART_RTS
ANNA-B112: UART RTS output
6
UART_RTS_I
UART to USB RTS signal
7
IO_35/
UART_CTS
ANNA-B112: UART CTS input
8
UART_CTS_I
UART to USB CTS signal
9
IO_19/
UART_TXD
ANNA-B112: UART TXD output
10
UART_TXD_I
UART to USB TXD signal
11
IO_20/
UART_RXD
ANNA-B112: UART RXD input