TMC9660 datasheet(21/101 Pages) AD

21 / 101 page

TMC9660

70V Smart Gate Driver with Servo (FOC)

Controller in HW and Buck Converter

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support (parameter mode).

Note: SPI block 1 may be replaced with SPI peripheral block. In this case, signals change direction

(SPI1_MISO: serial data output, SPI1_MOSI: serial data input, SPI1_SCK: clock input and SPI1_CS0:

chip select input). This interface may be used for communication with the application processor as fast

alternative to UART communication (bootloader configuration).

For an SPI-Flash connection, chip select signal generation is done in software for more flexibility. Any

available GPIO pin may be configured as chip select signal and not just the dedicated signal supported

by the SPI peripheral block 1 in hardware (SPI1_CS0).

GPIOx

VCC_IO

DOUT

DIN

0-VCC_IO

PD_EN

PU_EN

VCC_IO

GPIO

VCC_IO

Figure 4. GPIOx—General-Purpose Digital Input/Output Block Diagram

ADC

13 BIT

1MHz

ADCx_IN

VREF = 1.25V

VCC_IO

DOUT

DIN

0-VCC_IO

0-1.25V

EN_AIN

PD_EN

PU_EN

VCC_IO

1.8V

OV2V_FLT

ANALOG_INPUT/

GPIO

1V8

VCC_IO

Figure 5. AINx—Analog Input and General-Purpose Digital Input/Output Block Diagram

TMC9660 Datasheet(PDF) 21 Page - Analog Devices

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