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MIC7400_15 Datasheet, PDF (53/68 Pages) Micrel Semiconductor – Configurable PMIC, Five-Channel Buck Regulator Plus One-Boost with HyperLight Load® and I2C Control | |||
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Micrel, Inc.
MIC7400
Enable/Disable Register (04âh)
This register controls the enable/disable of each DC-to-DC regulators. When EN(n) bit transitions from â0â to â1â, then the
regulator(n) is enabled with soft-start unless the STBY_MODEB register bit in register 03âh is set to logic â0â.
The configuration save bit âSAVE1â should be cleared by customer before saving configuration data to EEPROM. This bit
is used during power up to indicate via the Status register (00âh) that configuration data has previously been stored.
Table 9. Enable Register
Register Name
EN_REG
Address
Field
bit R/W Default
EN1
0 R/W
1
EN2
1 R/W
1
EN3
2 R/W
1
EN4
3 R/W
1
EN5
4 R/W
1
EN6
Reserved
5 R/W
1
6 R/W
0
SAVE1
7 R/W
0
Enable Register
0x04âh
Description
Regulator 1 ON/OFF Control bit
0 = OFF
1 = ON
Regulator 2 ON/OFF Control bit
0 = OFF
1 = ON
Regulator 3 ON/OFF Control
0 = OFF
1 = ON
Regulator 4 ON/OFF Control
0 = OFF
1 = ON
Regulator 5 ON/OFF Control
0 = OFF
1 = ON
Regulator 6 ON/OFF Control
0 = OFF
1 = ON
Not Used
Save Configuration
0 = Configuration Saved to EEPROM
1 = Not Configuration Saved to EEPROM
March 3, 2015
53
Revision 2.0
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