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