MC33976 datasheet(11/40 Pages) FREESCALE

Part #	MC33976

Description	Dual Gauge Driver with Configurable Response Time

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Manufacturer	FREESCALE [Freescale Semiconductor, Inc]

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Analog Integrated Circuit Device Data

Freescale Semiconductor

11

33976

FUNCTIONAL DESCRIPTION

FUNCTIONAL PIN DESCRIPTION

VOLTAGE (VDD)

This SPI and logic power supply input will work with 5.0 V

supplies.

RESET (RST)

If the master decides to reset the device or place it into a

sleep state, the RST pin is driven to a logic [0]. A logic [0] on

the RST pin will force all internal logic to the known default

state. This input has an internal active pull-up.

BATTERY VOLTAGE (VPWR)

Power supply.

H-BRIDGE OUTPUTS 1 (SIN1-, SIN1+, COS1-,

COS1+)

Each of these pins is the output pin of a half bridge,

designed to source or sink current. The H-Bridge pins linearly

drive the sine and cosine coils of two separate step motors to

provide four-quadrant operation.

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