DM160218 datasheet(24/50 Pages) MICROCHIP

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MGC3130 Hillstar Development Kit User’s Guide

DS40001721A-page 24

 2013 Microchip Technology Inc.

The Gerber data of all Hillstar Development Kit components are included in the

MGC3130 Hillstar Hardware Reference package and can be downloaded from

Microchip’s web site www.microchio.com/GestICGettingStarting.

3.2

MGC3130 UNIT

The key element of the MGC3130 Unit is Microchip’s MGC3130 3D Tracking and

Gesture Controller. The layout print of the unit is shown in Figure 3-2.

FIGURE 3-2:

MGC3130 UNIT

The unit provides a 2 mm 7-pin board-to-board connector (socket) to connect the

electrode. The interface includes the following signals: GND, Rx4, Rx3, Tx, Rx2, Rx1,

and Rx0. Alternatively, the board-to-board connector can be replaced by a 1 mm

Flexible Printed Circuitry (FPC) connector which is prepared as a design option. The

five Rx channels of the MGC3130 (Rx0…Rx4) are connected to the receive electrodes

via 10 k

 resistors in order to suppress irradiated high-frequency signals (R11, R12,

R13, R14, and R15). The MGC3130 signal generator is connected via the Tx signal to

the transmit electrode.

The data connection to the Hillstar I2C to USB Bridge is realized by a 6-pin 2 mm

board-to-board connector (header). The interface includes the following signals: EIO0,

3.3V, GND, SDA0, SCL0, and MCLR. Alternatively, it is possible to use a 1 mm FPC

connector which can be assembled to the bottom side.

The MGC3130 unit acts as an I2C slave device. Table 3-1 shows the configuration of

the MGC3130 interface selection pins (IS1, IS2) which can be pulled to VDD or to GND

via resistors (R3, R4, R5, and R6) to select the I2C slave address. The I2C device

address 0x42 is set as default.

For Schematics, Layout and Bill of Material of the MGC3130 Unit please refer to

Appendix A.

TABLE 3-1:

MGC3130 UNIT I2C™ INTERFACE SELECTION

MGC3130 Interface

Selection Pins

Mode (Address)

Assembly Option

IS2

IS1

I2C™0 Slave Address = 0x42 (default)

n.p.

10 k



n.p.

10 k



I2C™0 Slave Address = 0x43

10 k



n.p.

10 k



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