MMA7660FCR1(2009) Просмотр технического описания (PDF) - Freescale Semiconductor

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MMA7660FCR1
(Rev.:2009)

3-Axis Orientation/Motion Detection Sensor

Freescale Semiconductor 

RESERVED 1

N/C 2

AVDD 3

AVSS 4

INT 5

Top View

Figure 1. Pinout

10 N/C

9 DVDD

8 DVSS

7 SDA

6 SCL

Table 1. Pin Description

Pin # Pin Name

1 RESERVED

2

N/C

3

AVDD

4

AVSS

5

INT

6

SCL

7

SDA

8

DVSS

9

DVDD

10

N/C

Description

Connect to AVSS

No Internal Connection, leave

unconnected or connect to Ground

Device Power

Device Ground

Interrupt/Data Ready

I2C Serial Clock

I2C Serial Data

Digital I/O Ground

Digital I/O Power

No Internal Connection,

recommended to connect to Ground

Pin

Status

Input

Input

Input

Input

Output

Input

Open

Drain

Input

Input

Input

VDD

GND

U13

1

RESERVED

2 N/C

3 AVDD

4

AVSS

5

INT

10

N/C

DVDD 9

DVSS 8

7

SDA

6

SCL

MMA7660FC

VDD

GND

VDD

R1

4.70 K

R2

4.70 K

SDA

SCL

INT

MCU

NOTE: A 0.1 μF ceramic capacitor can be placed connecting pin 3 (AVDD) to pin 4 (AVSS). In addition, another 0.1 μF

ceramic capacitor can be place connecting pin 9 (DVDD) to pin 8 (DVSS). The capacitors should be placed close

to the pins of the MMA7660FC and is recommended for testing and to adequately decouple the accelerometer

from noise on the power supply.

Figure 2. I2C Connection to MCU

Sensors

Freescale Semiconductor

MMA7660FC

6

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