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POWERSTEP01 Datasheet(PDF) 66 Page - STMicroelectronics

Part # POWERSTEP01
Description  System-in-package integrating microstepping controller and 10 A power MOSFETs
PDF  92 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

POWERSTEP01 Datasheet(HTML) 66 Page - STMicroelectronics

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Programming manual
powerSTEP01
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DocID025022 Rev 5
11.1.27
CONFIG
The CONFIG register has the following structure:
The OSC_SEL and EXT_CLK bits set the system clock source:
Table 40. CONFIG register
CM_VM
Bit 15
Bit 14
Bit 13
Bit 12
Bit 11
Bit 10
Bit 9
Bit 8
0
F_PWM_INT
F_PWM_DEC
VCCVAL
UVLOVAL
1
PRED_EN
TSW
VCCVAL
UVLOVAL
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
0
OC_SD
EN_VSCOMP SW_MODE EXT_CLK
OSC_SEL
1
OC_SD
EN_TQREG
SW_MODE EXT_CLK
OSC_SEL
Table 41. Oscillator management
EXT_CLK
OSC_SEL [2 … 0]
Clock source
OSCIN
OSCOUT
0
000
Internal oscillator: 16 MHz
Unused
Unused
0
001
0
010
0
011
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 a 8 MHz
clock
1
0
1
1
Internal oscillator: 16 MHz
Unused
Supplies a 16 MHz
clock
0
100
External crystal or resonator:
8 MHz
Crystal/resonator
driving
Crystal/resonator
driving
0
101
External crystal or resonator:
16 MHz
Crystal/resonator
driving
Crystal/resonator
driving
0
110
External crystal or resonator:
24 MHz
Crystal/resonator
driving
Crystal/resonator
driving



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