EFP01 datasheet(105/158 Pages) SILABS

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Bit

Name

Reset

Access

Description

1:0

CCA_MODE

0x00

read-only

Mode of buck/boost converter driving VOA.

Calibration of the Coulomb counter ( # of Coulombs per

pulse, or CPP ) depends on the mode of the converter.

Calibration involves forcing the current mode (so it's not

switching back and forth) for the calibration operation,

which yields # of Coulombs per pulse (CPP) in that mode.

If reading the CCA_MODE as part of the counter unload-

ing process shows that the mode has changed, firmware

should compute the CPP for the new mode.

Note that addressing this read-only register causes an in-

hibition in the updating of the register, to ensure that the

capture of the register is not corrupted by changes during

the capture process. Users should address these registers

only when they are actively reading them.

Value

Mode

Description

BUCK

Buck Mode

AUTO

Autonomous Buck/Boost Mode

BOOST

Boost Mode

LDO

LDO C Parallel Mode

EFP01 Energy Friendly PMIC Family Data Sheet

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Rev. 1.3 | 105

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