BU26156RFS Datasheet, PDF (40/95 Pages) Rohm – Monoraul MIC Input with ALC

BU26156RFS
Datasheet
Clock Enable Register
MAPCON
INDEX
b07
b06
b05
b04
b03
b02
b01
b00
R
W
(Initial)
0x0
0x0c 0x0d
-
-
-
-
MCLKOE(*) PLLOE(*) PLLEN(*) MCLKEN(*)
-
-
-
-
0
0
0
0
This register controls clock operation.
MCLKEN
This bit is to set the MCLKI pin enable or disable. A clock is not transmitted to an inside in case of the disable.
MCLKEN
Description
0
MCLKI pin input disabled.
The clock stops at the first input buffer of the MCLKI pin.
1
MCLKI pin input enabled
PLLEN
This bit is to set the status of PLL.
PLLEN
0
PLL power down
1
PLL power up
At the first, set PLL Setting registers.
Description
After that, set PLLEN bit to “1”.
PLLOE
This bit is to set the status of PLL output. Set this bit to “1” after PLL operation has stabilized. Also, this bit must be set to “1” if
PLL is not used, otherwise internal clock can not be provided.
PLLOE
Description
0
PLL output disable
1
PLL output enable
MCLKOE
This bit is to set the status of output signal from MCLKO pin.
MCLKOE
Description
0
Normally Operation
1
Prohibited
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TSZ02201-0V1V0E502570-1-2
Jul.1.2014 Rev.001