QS7785CF View Datasheet(PDF) - Nippon Precision Circuits
Part Name
Description
Manufacturer
QS7785CF Datasheet PDF : 15 Pages
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QS7785PF/CF
Parameter
Symbol
Condition
SCL hold time (I2C)
SCL setup time (I2C)
SDA hold time (I2C)
SDA setup time (I2C)
SCL clock HIGH-level pulsewidth
(I2C)
SCL clock LOW-level pulsewidth (I2C)
SCL rise time (I2C)
SCL fall time (I2C)
tHD:STA
tSU:STO
tHD:DAT
tSU:DAT
tHIGH
tLOW
tr
tf
QS7785CF
QS7785CF
QS7785CF
QS7785CF
QS7785CF
QS7785CF
QS7785CF
QS7785CF
Serial Interface Timing
3-wire (QS7785PF) timing
Rating
Unit
min
typ
max
4.0
–
–
µs
4.0
–
–
µs
5.0
–
–
µs
250
–
–
ns
4.0
–
–
µs
4.7
–
–
µs
–
–
1000
ns
–
–
300
ns
SDA
SCL
STRB
BYP
SUR
SP
MONO
AC
BASS MUTE PSAVE
t3
t4
t1
t2
t0
t6
t7
t5
Pin
SDA
SCL
STRB
Description
Data signal. Sets mode settings. See “Operating Modes.”
Clock signal. Data is read on the rising edge.
Strobe signal. Mode switches occur on the rising edge of this signal.
I2C 2-wire (QS7785CF) timing
I2C address is {AD6 − AD0} = {1011011}
SDA
SCL
AD6
tHD:STA
AD0
tr
tf
BYP
tSU:DAT
SUR
SP MONO AC BASS MUTE PSAVE
tHIGH
tLOW
tHD:DAT
tSU:STO
Pin
Description
SDA Data signal. Sets slave address and mode settings. Address value, {1011011}, is shown in the figure above. See “Operating Modes.”
SCL Clock signal. Data is read on the rising edge.
NIPPON PRECISION CIRCUITS—7
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