EFP01 datasheet(104/158 Pages) SILABS

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6.2.12 CC_MODE

Offset

Bit Position

0x12

Reset

0x00

Access

Name

Table 6.12. CC_MODE

Bit

Name

Reset

Access

Description

7:4

RESERVED

Reserved. Always write bits to 0.

SC_MODE

read-only

Single Cell Mode indicator. Determined at power-on,

based on voltage applied to VDDA pin. If a valid voltage is

present at the VDDA pin, SC_MODE = 1; otherwise,

SC_MODE = 0.

CCB_MODE

read-only

Mode of buck converter driving VOB.

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 CCB_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

LDOB

LDO Mode

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