YAC526
6. AC characteristics
（
C
L
=20pF
）
Item
Serial clock frequency
Serial clock pulse width high
Serial clock pulse width Low
SDATAI set up time
SDATAI hold time
CSN pulse width High
CSN set up time
CSN hold time
SDATAO data output set up time
SDATAO output delay time
SDATAO output data hold time (data output stop)
CSN, SCLK rise time
CSN, SCLK fall time
Zero-cross time out (Zero-cross MODE=A, C)
Zero-cross time out (Zero-cross MODE=B)
Regulation time until the data writing from a power
supply injection (more than AVSS=90%) to LSI
becomes effective. (C
REF
=10
μ
F)
Symbol
SCLK
t
PH
t
PL
t
SDVS
t
SDH
t
CSPH
t
CSVS
t
LTH
t
CSH
t
SSD
t
CSDH
t
R
t
F
t
TM1
t
TM2
t
PUP
Min.
0
500
500
200
200
1000
500
200
Typ.
Max.
1.0
Unit
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ms
ms
ms
300
300
200
100
100
20
10
200
400
t
F
90%
t
CSPH
V
IH
V
IH
CSN
V
IL
10%
V
IL
t
CSVS
SCLK
V
IH
V
IL
t
PH
V
IH
V
IL
t
LTH
t
SDVS
V
IH
V
IL
t
R
90%
V
IL
10%
V
IL
t
PL
t
SDH
V
IH
V
IL
V
IH
V
IL
SDATAI
t
CSDH
SDATAO
V
OL
MSB
t
SSD
V
OL
V
OL
t
CSH
Fig 1 Serial port timing
8
YAMAHA [ YAMAHA CORPORATION ]
