MMA8652FC datasheet(6/65 Pages) NXP

6 / 65 page

MMA8652FC

Sensors

Freescale Semiconductor, Inc.

1.2

Pin descriptions

Figure 2. Pin connections (bottom view)

1.3

Typical application circuit

Figure 3. Typical application circuit

Table 1. Pin descriptions

Pin #

Pin Name

Description

Notes

VDD

Power supply

Device power is supplied through the VDD line. Power supply decoupling capacitors

should be placed as close as possible to pin 1 and pin 8 of the device.

2SCL(1)

1. The control signals SCL and SDA are not tolerant of voltages higher than VDDIO + 0.3 V. If VDDIO is removed, then the control signals SCL

and SDA will clamp any logic signals with their internal ESD protection diodes. The SDA and SCL I2C connections are open drain, and

therefore require a pullup resistor to VDDIO.

I2C Serial Clock

7-bit I2C device address is 0x1D.

INT1

Interrupt 1 output

The interrupt source and pin settings are user-programmable through the I2C interface.

BYP

Internal regulator output

capacitor connection

INT2

Interrupt 2 output

See INT1.

GND

Ground

GND

Ground

VDDIO

Digital Interface Power supply

GND

Ground

SDA(1)

I2C Serial Data

See SCL.

VDD

SCL

INT1

BYP

INT2

SDA

GND

VDDIO

GND

VDD

SCL

INT1

BYP

INT2

SDA

VDDIO

0.1

μF

0.1

μF

Top View

VDDIO

1 k

Note: 4.7 k

Ω Pullup resistors on INT1/INT2 can be added for open-drain operation.

0.1

μF

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