參數(shù)資料
型號： L6470HTR
廠商： STMICROELECTRONICS
元件分類： 運動控制電子
英文描述： STEPPER MOTOR CONTROLLER, 7 A, PDSO28
封裝： ROHS COMPLIANT, HTSSOP-28
文件頁數(shù)： 41/64頁
文件大?。?/td> 814K
代理商： L6470HTR
Programming manual
L6470
46/64
Doc ID 16737 Rev 2
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 22.
Oscillator management
EXT_CLK
OSC_SEL[2..0]
Clock source
OSCIN
OSCOUT
00
Internal Oscillator: 16MHz
Unused
00
01
00
10
00
11
1
0
Internal Oscillator: 16MHz
Unused
Supplies a 2MHz
clock
1
0
1
Internal Oscillator: 16MHz
Unused
Supplies a 4MHz
clock
1
0
1
0
Internal oscillator: 16MHz
Unused
Supplies a 8MHz
clock
1
0
1
Internal oscillator: 16MHz
Unused
Supplies a 16MHz
clock
01
00
External crystal or
resonator: 8MHz
Crystal/reson
ator driving
Crystal/resonator
driving
01
External crystal or
resonator: 16MHz
Crystal/reson
ator driving
Crystal/resonator
driving
01
10
External crystal or
resonator: 24MHz
Crystal/reson
ator driving
Crystal/resonator
driving
01
11
External crystal or
resonator: 32MHz
Crystal/reson
ator driving
Crystal/resonator
driving
11
00
Ext clock source: 8MHz
(Crystal/resonator driver
disabled)
Clock source
Supplies inverted
OSCIN signal
11
01
Ext clock source: 16MHz
(Crystal/resonator driver
disabled)
Clock source
Supplies inverted
OSCIN signal
11
10
Ext clock source: 24MHz
(Crystal/resonator driver
disabled)
Clock source
Supplies inverted
OSCIN signal
11
Ext clock source: 32MHz
(Crystal/resonator driver
disabled)
Clock source
Supplies inverted
OSCIN signal
Table 23.
External switch hard stop interrupt mode
SW_MODE
Switch mode
0
HardStop interrupt
1
User disposal
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