MC3630 Datasheet, PDF (11/83 Pages) –

MC3630 3-Axis Accelerometer
Preliminary Datasheet
Pin Description
Pin
1
2
3
4
5
6
7
8
9
10
11
12
Name
DOUT_A1
DIN_SDA ¹
VDDIO
Function
SPI data output
I2C address bit 1
SPI data In
I2C serial data input/output
Power supply for interface
VPP
Connect to GND
INTN ²
Interrupt active LOW ³
NC
No connect
VDD
Power supply for internal
NC
No connect
GND
Ground
CSN
SPI chip select
NC
No connect
SCK_SCL ¹
SPI Clock
I2C serial clock input
Table 2. Pin Description
Notes:
1) When using the I2C interface, this pin requires a pull-up resistor, typically 4.7kΩ to pin
VDDIO. Refer to I2C Specification for Fast-Mode devices. Higher resistance values can
be used (typically done to reduce current leakage) but such applications are outside the
scope of this datasheet.
2) This pin can be configured by software to operate either as an open-drain output or
push-pull output. If set to open-drain, then it requires a pull-up resistor, typically 4.7kΩ to
pin VDDIO.
3) INTN pin polarity is programmable.
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