BH1715FVC
Technical Note
application the standard of the I C bus as it finishes being satisfactory. Moreover, the description concerning the terminal
● Application circuit example of DVI terminal
The DVI terminal is an asynchronous reset terminal. Please note that there is a possibility that IC doesn't operate normally if
the reset section is not installed after the start-up of VCC. (Please refer to the paragraph of "Timing chart for VCC and DVI
power supply sequence")
The description concerning SDA and the terminal SCL is omitted in this application circuit example. Please design the
2
ADDR is omitted. Please refer to the paragraph of "Timing chart for VCC and DVI power supply sequence" about the
terminal ADDR design.
ex 1) The control signal line such as CPU is connected.
BH1715FVC
VCC
SCL
Micro
0.1μF
ADDR
DVI
0.1μF
Controller
GND
SDA
ex 2) Reset IC is used.
1, For Reset IC of the Push-Pull type
BH1715FVC
0.1μF
VCC
ADDR
SCL
DVI
0.1μF
RESET
GND
SDA
Reset IC( Push-Pull type )
2, For Reset IC of the Open drain output
BH1715FVC
1kOhm
0.1μF
VCC
ADDR
SCL
DVI
0.1μF
RESET
GND
SDA
Reset IC( Open drain type )
ex 3)
A different power supply is used.
BH1715FVC
0.1μF
V1
VCC
ADDR
SCL
DVI
GND
SDA
V2
0.1μF
※ Power supply of DVI must stand up later than power supply of VCC stand up, because it is necessary to secure reset section (1μs or more).
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