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2013 Microchip Technology Inc. DS41685A-page 17
MGC3130 – SABREWING
SINGLE-ZONE EVALUATION KIT
USER’S GUIDE
Chapter 3. MGC3130 – Sabrewing Evaluation Board
3.1 BOARD CONSTRUCTION AND LAYOUT
The Sabrewing Evaluation Board, shown as a block diagram in Figure 3-1, is organized
in three sections:
• MGC3130 Reference Circuitry
• Built-in 7" frame sensing electrodes
• I
2
C to USB Bridge
In the following chapters, they are explained in detail.
FIGURE 3-1: SABREWING EVALUATION BOARD BLOCK DIAGRAM
The key components of the Sabrewing Evaluation Board are listed below and high-
lighted in Figure 3-2:
1. MGC3130 3D Tracking and Gesture Controller
2. Built-in 7" frame electrodes
3. Interface select
4. LED bar signalling when board is powered and indicating the communication
status
5. Microchip’s PIC18F14K50 USB microcontroller passing messages between
MGC3130 and the PC
6. USB mini-B connector to connect the board to a PC
7. Reset button resetting the MGC3130
8. Microchip’s MCP1801 LDO voltage regulator converting 5V USB power to 3.3V
board supply
9. Acrylic glass (180 x 116.5 x 2 mm) simulating the housing of a target device
10. Plastic rivets mounting the acrylic glass to the PCB
I
2
C
3.3V
MGC3130 Reference Circuitry I
2
C
TM
to USB Bridge
5V
3.3V
USB
3.3V
Reset
Button
LED Bar
USB
USB to I
2
C
PIC18F14K50
LDO
MCP1801
Legend:
Power Data Electrode Signal
Electrodes
MGC3130
Interface Component
Interface
select
7" Frame
Electrodes