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L6480 датащи(PDF) 54 Page - STMicroelectronics

номер детали L6480
подробное описание детали  The L6480, realized in analog mixed signal technology, is an advanced fully integrated solution suitable for driving two-phase bipolar stepper motors with microstepping.
PDF  73 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L6480 датащи(HTML) 54 Page - STMicroelectronics

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Programming manual
L6480
54/73
Doc ID 023278 Rev 3
The OSC_SEL and EXT_CLK bits set the system clock source:
The SW_MODE bit sets the external switch to act as HardStop interrupt or not:
Table 32.
Oscillator management
EXT_CLK
OSC_SEL[2..0]
Clock source
OSCIN
OSCOUT
00
00
Internal oscillator: 16 MHz
Unused
Unused
00
01
00
10
00
11
1
0
0
0
Internal oscillator: 16 MHz
Unused
Supplies a 2-MHz
clock
1
0
0
1
Internal oscillator: 16 MHz
Unused
Supplies a 4-MHz
clock
1
0
1
0
Internal oscillator: 16 MHz
Unused
Supplies an 8-MHz
clock
1
0
1
1
Internal oscillator: 16 MHz
Unused
Supplies a 16-MHz
clock
01
00
External crystal or
resonator: 8 MHz
Crystal/reson
ator driving
Crystal/resonator
driving
01
01
External crystal or
resonator: 16 MHz
Crystal/reson
ator driving
Crystal/resonator
driving
01
10
External crystal or
resonator: 24 MHz
Crystal/reson
ator driving
Crystal/resonator
driving
01
11
External crystal or
resonator: 32 MHz
Crystal/reson
ator driving
Crystal/resonator
driving
11
00
Ext. clock source: 8 MHz
(crystal/resonator driver
disabled)
Clock source
Supplies inverted
OSCIN signal
11
01
Ext. clock source: 16 MHz
(crystal/resonator driver
disabled)
Clock source
Supplies inverted
OSCIN signal
11
10
Ext. clock source: 24 MHz
(crystal/resonator driver
disabled)
Clock source
Supplies inverted
OSCIN signal
11
11
Ext. clock source: 32 MHz
(crystal/resonator driver
disabled)
Clock source
Supplies inverted
OSCIN signal
Table 33.
External switch hard stop interrupt mode
SW_MODE
Switch mode
0
HardStop interrupt
1
User disposal



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