Technical Note
BD4154FV
CPPE#(2V/div)
CPPE#(2V/div)
V3(2V/div)
CPPE#(2V/div)
V3(2V/div)
V3(2V/div)
V3AUX(2V/div)
V3AUX(2V/div)
V3AUX(2V/div)
RCLKEN(2V/div)
PERST#(2V/div)
PERST#(2V/div)
5.0ms/div
5.0ms/div
5.0ms/div
Fig.13 PERST# Wave Form
(Card Assert/ De-assert)
Fig.14 RCLKEN Wave Form
(Card Assert/ De-assert)
Fig.15 PERST# Wave Form
(USB2.0 Assert/ De-assert)
CPUSB#(2V/div)
V3(2V/div)
PERST_IN#(2V/div)
V3(2V/div)
PERST_IN#(2V/div)
V3(2V/div)
V3AUX(2V/div)
V3AUX(2V/div)
V3AUX(2V/div)
RCLKEN(2V/div)
RCLKEN(2V/div)
PERST#(2V/div)
5.0ms/div
1.0ms/div
1.0ms/div
Fig.16 RCLKEN Wave Form
Fig.17 PERST# Wave Form
(PERST_IN# Input)
Fig.18 RCLKEN Wave Form
(PERST_IN# Input)
(USB2.0 Assert/ De-assert)
V3_IN(2V/div)
V15_IN(2V/div)
V3(2V/div)
V3AUX_IN(2V/di
V3(2V/div)
V3(2V/div)
V3AUX(2V/div)
V15(1V/div)
V3AUX(2V/div)
V15(1V/div)
V3AUX(2V/div)
V15(1V/div)
500μs/div
500μs/div
500μs/div
Fig.19 Output Voltage
(V3_IN:OFF→ON)
Fig.21 Output Voltage
(V15_IN:OFF→ON)
Fig.20 Output Voltage
(V3AUX_IN:OFF→ON)
V3AUX_IN(2V/di
V15_IN(2V/div)
V3_IN(2V/div)
V3(2V/div)
V3(2V/div)
V3(2V/div)
V3AUX(2V/div)
V3AUX(2V/div)
V3AUX(2V/div)
R
V3=3.3Ω
RV3AUX=13.2Ω
V15=3Ω
RV3=3.3Ω
RV3AUX=13.2Ω
RV3=3.3Ω
RV3AUX=13.2Ω
R
V15(1V/div)
RV15=3Ω
R
V15=3Ω
V15(1V/div)
V15(1V/div)
500μs/div
500μs/div
500μs/div
Fig.22 Output Voltage
Fig.23 Output Voltage
Fig.24 Output Voltage
(V3_IN:ON→OFF)
(V3AUX_IN:ON→OFF)
(V15_IN:ON→OFF)
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2009.05 - Rev.A
5/15