MLX10407EDF データシートの表示（PDF） - Melexis Microelectronic Systems

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MLX10407EDF

5-Channel Gauge Driver with Serial Link

Melexis Microelectronic Systems  

2) 90° logometers

In addition to driving (2) 360° logometers the MLX10407 has a push-pull stage so it Is possible to

drive (3) additional 90° coils connected to GND or VDD respectively.

Serial Link

The MCU outputs the serial communication clock SCLK, the chip select CS, the data DIP, and

reads the ERRB error status.

The data sent by the MCU is latched by the 10407 on the rising edge of SCLK.

The 10407 outputs the ERRB signal on the falling edge of SCLK

When CS = "0" the serial interface of the 10407 is inactive. When CS goes HIGH, the 10407

waits for a START BIT and then reads the following 15 bits transmitted by the MCU.

The START BIT (D0) must be "1".

D1

D2

D3

Instruction

0

0

0

Unused

0

0

1

Writing request LOGO1

0

1

0

Unused

0

1

1

Writing request LOGO2

1

0

0

Writing request LOGO3

1

0

1

Writing request LOGO5

1

1

0

Writing request LOGO4

1

1

1

Unused

The following 10 bits (D4, D5, D6, D7, D8, D9, D10, D11, D12, D13) set the angle value (D13

=lsb, D4 = msb).

The two remaining bits (D14D15) represent the quadrant (D14=msb). Note: for Logo1 & 2 only.

3901010407

Rev. 003

Page 6

Aug/02

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