BU26154MUV_15 Datasheet, PDF (7/90 Pages) Rohm – Monaural Audio CODEC with Touch Panel Interface

BU26154MUV
Datasheet
AC Characteristics
Clock
PLL not used
(HGND1= HGND2=SPGND=CPGND=TGND=0V, HVDD=3.3V, SPVDD=3.3V, CPVDD=3.3V, TVDD=3.3V, Ta=25℃)
Parameter
Symbol
Min
Max
Unit
MCLKI Frequency
fC
4.096
49.152
MHz
MCLKI Period
tC
1/fC
1/fC
ns
MCLKI “H” Length
tCH
tC*0.4
-
ns
MCLKI “L” Length
tCL
tC*0.4
-
ns
PLL used
(HGND1= HGND2=SPGND=CPGND=TGND=0V, HVDD=3.3V, SPVDD=3.3V, CPVDD=3.3V, TVDD=3.3V,Ta=25℃)
Parameter
Symbol
Min
Max
Unit
MCLKI Frequency
fC
6.75
54
MHz
MCLKI Period
tC
1/fC
1/fC
ns
MCLKI “H” Length
tCH
tC*0.4
-
ns
MCLKI “L” Length
tCL
tC*0.4
-
ns
When PLL is use, clock from SAI_BCLK pin other than MCLKI pin could be inputted. Please refer to SAI slave clause about
the BCLK pin input frequency.
tC, fC
MCLKI
tCH
tCL
Figure 4
Reset
(HGND1= HGND2=SPGND=CPGND=TGND=0V, HVDD=3.3V, SPVDD=3.3V, CPVDD=3.3V, TVDD=3.3V, Ta=25℃)
Parameter
Symbol
Min
Max.
Unit
RESETB pulse width
tW_RST
5
-
µs
RESETB
tW_RST
Figure 5
When Reset pin is made low-level, internal LDO goes to power mode.
1ms is necessary until REGOUT pin becomes low-level. The recommended tW_RST is over 1ms.
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26.Oct.2015 Rev.002