2
Hardware setup
This section describes the connection between UART cable and device’s pins.
The pinout of the device is shown below:
Figure 4.
STNRG328S pinout
1.
Set the pins as specified in the following table:
Table 1.
STNRG328S pin settings
Jumper reference
Set position
Pin 13 (VDDA)
+3.3V / +5V on board supplied
PIN 29 VDD
+3.3V / +5V on board supplied
Pin 1 (UART_RX)
Set to UART TX of cable
Pin 32 (UART_TX)
Set to UART RX of cable
Pin 30 (VSS)
GND
Pin 7 (UART2_RX)
Connect to ground to disable bootloader on second UART
UM2988
Hardware setup
UM2988
-
Rev 1
page 4/16
