EVK-ANNA-B112 - User Guide
UBX-18018539 - R01
Product description
Page 6 of 29
o
12 PWM capable outputs
o
3x SPI
o
1x UART with HW flow control
o
2x I
2
C
o
1x I
2
S
•
Full UART to USB converter with a Virtual COM port that allows control of the extended UART
features of the u-blox connectivity software
•
On-board J-Link debugger/programmer:
o
Mass Storage Device interface to PC, for drag-n-drop programming
o
Debug port
o
An additional Virtual COM port that, for example, may be connected to add-on boards
or to a debug UART on the ANNA-B112
•
RGB LED and push buttons
•
Arduino UNO R3 and Raspberry Pi compatible pin header interfaces
•
Jumper headers and level shifters allow for flexible powering options of the ANNA-B112 module,
even with full board support. They isolate the module entirely and control each power net
separately in order to precisely measure low power applications or disconnect only unused parts
of the board to save battery life.
•
Multiple board power supply options:
o
5-12 V power plug
o
5 V USB supply
o
5-12 V Arduino VIN input
•
Battery holder supporting CR2032 coin cell batteries
1.4
EVK-ANNA-B112 block diagram
The block diagram of EVK-ANNA-B112 is shown in Figure 4.
Figure 4: EVK-ANNA-B112 block diagram
The block diagram shows the major interfaces and internal connections of the EVK-ANNA-B112. The
following sections describe in detail how the different interfaces are connected and used, and how
the evaluation board may be configured to suit the needs of the user.
