22 ELECTRICAL CHARACTERISTICS
22-10
Seiko epson Corporation
S1C17F13 TeChniCal Manual
(Rev. 1.0)
I
22.11
2
C (I2C) Characteristics
Unless otherwise specified: V
DD
= 2.0 to 3.6 V, V
SS
= 0 V, Ta = -20 to 70 °C
Item
Symbol
Condition
Standard mode
Fast mode
Unit
Min.
Typ.
Max.
Min.
Typ.
Max.
SCL
n
frequency
f
SCL
0
–
100
0
–
400
kHz
Hold time (repeated)
START condition
*
t
HD:STA
4.0
–
–
0.6
–
–
µs
SCL
n
Low pulse width
t
LOW
4.7
–
–
1.3
–
–
µs
SCL
n
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
SDA
n
, SCL
n
rise time
t
r
–
–
1,000
–
–
300
ns
SDA
n
, SCL
n
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.
SDA
n
SCL
n
S
t
f
t
BUF
t
HD:STA
1/f
SCL
1st clock cycle
t
f
9th clock cycle
S: START condition
Sr: Repeated START condition
P: STOP condition
t
r
t
HD:DAT
t
HIGH
t
SU:STA
t
LOW
t
r
t
SU:DAT
Sr
P
S
t
HD:STA
t
SU:STO
Parallel Interface (PIO) Characteristics
22.12
Unless otherwise specified: V
DD
= 2.0 to 3.6 V, V
SS
= 0 V, Ta = -20 to 70 °C
Item
Symbol
Condition
Min.
Typ.
Max.
Unit
Address output delay time
t
AD
–
–
0
ns
Write data output delay time
t
WDD
–
–
10
ns
Write data hold time
t
WDH
-20
–
–
ns
Read data setup time
t
RDS
30
–
–
ns
Read data hold time
t
RDH
0
–
–
ns
Read timing
#PIOCE
#PIORD
PIOA[7:0]
PIOD[7:0]
t
AD
t
AD
t
RDS
t
RDH
Write timing
#PIOCE
#PIOWR
PIOA[7:0]
PIOD[7:0]
t
AD
t
AD
t
WDD
t
WDH