L6470HTR View Datasheet(PDF) - STMicroelectronics

Part Name

Description

MFG CO.

L6470HTR

dSPIN™ fully integrated microstepping motor driver with motion engine and SPI

STMicroelectronics 

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Programming manual

L6470

The OSC_SEL and EXT_CLK bits set the system clock source:

EXT_CLK

0

0

0

0

Table 23. Oscillator management

OSC_SEL[2 .… 0]

Clock source

OSCIN

0

0

0

0

0

1

Internal oscillator: 16 MHz

0

1

0

0

1

1

Unused

1

0

0

0

Internal oscillator: 16 MHz

Unused

1

0

0

1

Internal oscillator: 16 MHz

Unused

1

0

1

0

Internal oscillator: 16 MHz

Unused

1

0

1

1

Internal oscillator: 16 MHz

Unused

0

1

0

0

External crystal or resonator: Crystal/resonator

8 MHz

driving

0

1

0

1

External crystal or resonator: Crystal/resonator

16 MHz

driving

0

1

1

0

External crystal or resonator: Crystal/resonator

24 MHz

driving

0

1

1

1

External crystal or resonator: Crystal/resonator

32 MHz

driving

Ext clock source: 8 MHz

1

1

0

0

(Crystal/resonator driver

Clock source

disabled)

Ext clock source: 16 MHz

1

1

0

1

(Crystal/resonator driver

Clock source

disabled)

Ext clock source: 24 MHz

1

1

1

0

(Crystal/resonator driver

Clock source

disabled)

Ext clock source: 32 MHz

1

1

1

1

(Crystal/resonator driver

Clock source

disabled)

OSCOUT

Unused

Supplies a 2-MHz

clock

Supplies a 4-MHz

clock

Supplies an 8-MHz

clock

Supplies a 16-MHz

clock

Crystal/resonator

driving

Crystal/resonator

driving

Crystal/resonator

driving

Crystal/resonator

driving

Supplies inverted

OSCIN signal

Supplies inverted

OSCIN signal

Supplies inverted

OSCIN signal

Supplies inverted

OSCIN signal

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DocID16737 Rev 7

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