bh3856fs ROHM Co. Ltd., bh3856fs Datasheet - Page 8

• Manufacturer Part Number: bh3856fs
• Description: 2-wire Serial Sound Control Ic
• Manufacturer: ROHM Co. Ltd.

Audio ICs
    Performing data settings
(1) I
Set-up time for re-send [start] conditions
Hold time (re-send) [start] conditions
(After hold time ends, initial clock
pulse is generated.)
Set time for [stop] conditions.
Bus free time between [stop] condition
and [start] condition
Data set-up time
SCL clock frequency
SCL clock hold time, HIGH state
SCL clock hold time, LOW state
SDA and SDL signal start-up time
SDA and SDL signal shut-down time
2
C BUS timing
SLC
SDA start condition
SDA stop condition
SDA
Parameter
t
t
t
SU ; STA
HD ; STA
SU ; STO
t
= start code set-up time.
= start code hold time.
= stop code set-up time.
SU ; DAT
t
LOW
tr
t
t
SU ; STA
SU ; STO
Symbol
t
t
t
t
I
S U;STA
H D;STA
S U;STO
S U;DAT
t
2
t
f
t
HIGH
LOW
SCL
BUF
C BUS timing rules
tr
tf
t
HIGH
Min.
250
4.7
4.7
4.7
4.7
0
4
−
−
4
t
HD ; STA
t
BUF
Typ.
t
HD ; DAT
−
−
−
−
−
−
−
−
−
−
t
t
t
BUF
SU ; DAT
HD ; DAT
tf
= bus free time.
BH3856S / BH3856FS
Max.
100
0.3
−
−
1
−
−
−
−
−
= data set-up time.
= data hold time.
Unit
kHz
µs
µs
µs
µs
µs
µs
µs
µs
ns