
22 ELECTRICAL CHARACTERISTICS
22-12
Seiko Epson Corporation
S1C31D50/D51 TECHNICAL MANUAL
(Rev. 2.00)
Slave mode
Unless otherwise specified: V
SS
= 0 V, Ta = -40 to 85
°
C
Item
Symbol
Condition
V
DD
V
D1
output
Min.
Typ.
Max.
単位
SPICLK0 cycle time
t
SCYC
1.8 to 5.5 V
mode0
250
–
–
ns
1.8 to 3.6 V
mode1
1,000
–
–
ns
SPICLK0 High pulse width
t
SCKH
1.8 to 5.5 V
mode0
100
–
–
ns
1.8 to 3.6 V
mode1
400
–
–
ns
SPICLK0 Low pulse width
t
SCKL
1.8 to 5.5 V
mode0
100
–
–
ns
1.8 to 3.6 V
mode1
400
–
–
ns
SDI0 setup time
t
SDS
1.8 to 5.5 V
mode0
20
–
–
ns
1.8 to 3.6 V
mode1
60
–
–
ns
SDI0 hold time
t
SDH
1.8 to 5.5 V
mode0
20
–
–
ns
1.8 to 3.6 V
mode1
70
–
–
ns
SDO0 output delay time
t
SDO
C
L
= 15 pF
*
1
1.8 to 5.5 V
mode0
–
–
100
ns
1.8 to 3.6 V
mode1
–
–
250
ns
#SPISS0 setup time
t
SSS
1.8 to 5.5 V
mode0
20
–
–
ns
1.8 to 3.6 V
mode1
60
–
–
ns
#SPISS0 High pulse width
t
SSH
1.8 to 5.5 V
mode0
100
–
–
ns
1.8 to 3.6 V
mode1
400
–
–
ns
SDO0 output start time
t
SDD
C
L
= 15 pF
*
1
1.8 to 5.5 V
mode0
–
–
100
ns
1.8 to 3.6 V
mode1
–
–
250
ns
SDO0 output stop time
t
SDZ
C
L
= 15 pF
*
1
1.8 to 5.5 V
mode0
–
–
100
ns
1.8 to 3.6 V
mode1
–
–
250
ns
*
1 C
L
= Pin load
Master and slave modes
SPICLKn
(CPOL, CPHA) = (1, 0) or (0, 1)
SPICLKn
(CPOL, CPHA) = (1, 1) or (0, 0)
SDIn
SDOn
t
SCYC
t
SDO
t
SCKH
t
SDS
t
SDH
t
SCKL
Slave mode
#SPISSn
SPICLKn
(CPOL, CPHA) = (0, 1)
SPICLKn
(CPOL, CPHA) = (1, 0)
SDIn
SDOn
t
SDD
Hi-Z
t
SSH
t
SDZ
t
SSS