22 ELECTRICAL CHARACTERISTICS
S1C31D50/D51 TECHNICAL MANUAL
Seiko Epson Corporation
22-13
(Rev. 2.00)
22.11 Quad Synchronous Serial Interface (QSPI) Characteristics
Master mode
Unless otherwise specified: V
DDQSPI
= 3.0 to 3.6 V, V
SS
= 0 V, Ta = -40 to 85
°
C
Item
Symbol
Condition
V
D1
output
Min.
Typ.
Max.
単位
QSPICLKn cycle time
t
SCYC
mode0
125
–
–
ns
mode1
500
–
–
ns
QSPICLKn High pulse width
t
SCKH
mode0
50
–
–
ns
mode1
200
–
–
ns
QSPICLKn Low pulse width
t
SCKL
mode0
50
–
–
ns
mode1
200
–
–
ns
QSDIOn[3:0] setup time
t
SDS
mode0
35
–
–
ns
mode1
120
–
–
ns
QSDIOn[3:0] hold time
t
SDH
mode0
10
–
–
ns
mode1
40
–
–
ns
QSDIOn[3:0] output delay time
t
SDO
C
L
= 15 pF
*
1
mode0
–
–
35
ns
mode1
–
–
120
ns
*
1 C
L
= Pin load
Slave mode
Unless otherwise specified: V
DDQSPI
= 3.0 to 3.6 V, V
SS
= 0 V, Ta = -40 to 85
°
C
Item
Symbol
Condition
V
D1
output
Min.
Typ.
Max.
単位
QSPICLKn cycle time
t
SCYC
mode0
150
–
–
ns
mode1
500
–
–
ns
QSPICLKn High pulse width
t
SCKH
mode0
60
–
–
ns
mode1
200
–
–
ns
QSPICLKn Low pulse width
t
SCKL
mode0
60
–
–
ns
mode1
200
–
–
ns
QSDIOn[3:0] setup time
t
SDS
mode0
10
–
–
ns
mode1
30
–
–
ns
QSDIOn[3:0] hold time
t
SDH
mode0
10
–
–
ns
mode1
50
–
–
ns
QSDIOn[3:0] output delay time
t
SDO
C
L
= 15 pF
*
1
mode0
–
–
60
ns
mode1
–
–
220
ns
#QSPISSn setup time
t
SSS
mode0
10
–
–
ns
mode1
30
–
–
ns
#QSPISSn High pulse width
t
SSH
mode0
60
–
–
ns
mode1
200
–
–
ns
QSDIOn[3:0] output start time
t
SDD
C
L
= 15 pF
*
1
mode0
–
–
60
ns
mode1
–
–
220
ns
QSDIOn[3:0] output stop time
t
SDZ
C
L
= 15 pF
*
1
mode0
–
–
60
ns
mode1
–
–
220
ns
*
1 C
L
= Pin load
22.12 I
2
C (I2C) Characteristics
Unless otherwise specified: V
DD
= 1.8 to 5.5 V, V
SS
= 0 V, Ta = -40 to 85
°
C
Item
Symbol
Condition
Standard mode
Fast mode
Unit
Min.
Typ.
Max.
Min.
Typ.
Max.
SCLn frequency
f
SCL
0
–
100
0
–
400
kHz
Hold time (repeated)
START condition
*
t
HD:STA
4.0
–
–
0.6
–
–
µs
SCLn Low pulse width
t
LOW
4.7
–
–
1.3
–
–
µs
SCLn High pulse width
t
HIGH
4.0
–
–
0.6
–
–
µs
Repeated START condition
setup time
t
SU:STA
4.7
–
–
0.6
–
–
µs
Data hold time
t
HD:DAT
0
–
–
0
–
–
µs
Data setup time
t
SU:DAT
250
–
–
100
–
–
ns
SDAn, SCLn rise time
t
r
–
–
1,000
–
–
300
ns
SDAn, SCLn fall time
t
f
–
–
300
–
–
300
ns
STOP condition setup time t
SU:STO
4.0
–
–
0.6
–
–
µs
Bus free time
t
BUF
4.7
–
–
1.3
–
–
µs
*
After this period, the first clock pulse is generated.