BD4155FV
Technical Note
USB2.0(2V/div)
V3(2V/div)
V3AUX(2V/div)
PERST#(2V/div)
5.0ms/div
Fig.13 PERST# Wave Form
(USB2.0 Assert/ De-assert)
PLT_RST#(2V/div)
EC_RST(2V/div)
V3(2V/div)
PERST#(2V/div)
5.0ms/div
Fig.16 PERST# Wave Form
(EC_RST Input)
V3_IN(2V/div)
V3(2V/div)
V3AUX(2V/div)
V15(1V/div)
500μs/div
Fig.19 Output Voltage
(V3_IN:OFF→ON)
V3_IN(2V/div)
V3(2V/div)
V3AUX(2V/div)
RV3=3.3Ω
RV3AUX=13.2Ω
RV15=3Ω
V15(1V/div)
500μs/div
Fig.22 Output Voltage
(V3_IN:ON→OFF)
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CPUSB#(2V/div)
V3(2V/div)
V3AUX(2V/div)
PLL_CLK#(2V/div)
5.0ms/div
Fig.14 PLL_CLKREQ# Wave Form
(USB2.0 Assert/ De-assert)
EC_CLKREQ#(2V/div)
EC_CLKEN#(2V/div)
V3(2V/div)
PLT_RST#(2V/div)
EC_RST(2V/div)
V3(2V/div)
PERST#(2V/div)
5.0ms/div
Fig.15 PERST# Wave Form
(PLT_RST Input)
EC_CLKREQ#(2V/div)
EC_CLKEN#(2V/div)
V3(2V/div)
PLL_CLKREQ#(2V/div)
1.0ms/div
Fig.17 PLL_CLKREQ# Wave Form
(EC_CLKREQ# Input)
V3AUX_IN(2V/di
V3(2V/div)
V3AUX(2V/div)
V15(1V/div)
500μs/div
Fig.20 Output Voltage
(V3AUX_IN:OFF→ON)
PLL_CLKREQ#(2V/div)
1.0ms/div
Fig.18 PLL_CLKREQ# Wave Form
(EC_CLKEN# Input)
V15_IN(2V/div)
V3(2V/div)
V3AUX(2V/div)
V15(1V/div)
500μs/div
Fig.21 Output Voltage
(V15_IN:OFF→ON)
V3AUX_IN(2V/div)
V3(2V/div)
V3AUX(2V/div)
V15(1V/div)
RV3=3.3Ω
RV3AUX=13.2Ω
RV15=3Ω
500μs/div
Fig.23 Output Voltage
(V3AUX_IN:ON→OFF)
5/16
V15_IN(2V/div)
V3(2V/div)
V3AUX(2V/div)
RV3=3.3Ω
RV3AUX=13.2Ω
V15(1V/div) RV15=3Ω
500μs/div
Fig.24 Output Voltage
(V15_IN:ON→OFF)
2010.04 - Rev.B