Serial Interface Circuit Characteristics; Serial Interface Ac Characteristics - Epson S1C05251 Technical Manual

5 ELECTRICAL CHARACTERISTICS

5.9 Serial Interface Circuit Characteristics

5.9.1 Serial Interface AC Characteristics

Unless otherwise noted: V
Parameter
#SCLK frequency
#SCLK pulse width
SDI setup time
SDI hold time
SDO delay time
MODE0 High setup time
MODE0 High hold time
MODE0 Low setup time
MODE0 Low hold time
MODE0 Low pulse width
SDI
#SCLK
MODE0
SDO
#SCLK
MODE0
24
=5.0/3.0V, V =0V, f
DD SS CLK
Symbol
f
SCLK
t
WSCLK
t
SSDI
t
HSDI
t
DSDO
t
SMH
t
HMH
t
SML
t
HML
t
MDW
t
SSDI
t t
MDW SMH
t
WSCLK
Figure 5.9.1 Serial interface input timing
t
DSDO
t
SML
Figure 5.9.2 Serial interface output timing
=3.579545MHz, Ta=-20 to 70°C, C
Min. Typ.
400
250
500
1
1
1
1
1
t
HSDI
f
SCLK
t
WSCLK
t
DSDO
EPSON
=50pF
L
Max.
1
250
t
HMH
t
HML
S1C05251 TECHNICAL MANUAL
Unit
MHz
nsec
nsec
nsec
nsec
µsec
µsec
µsec
µsec
µsec