Table of Contents
RX8111CE
9.2. AC Characteristics
9.2.1. AC Characteristics 1
Item
SCL clock frequency
Start condition setup time
Start condition hold time
Data setup time
Data hold time
Stop condition setup time
Bus idle time between
start condition and stop condition
Time when SCL = "L"
Time when SCL = "H"
Rise time for SCL and SDA
Fall time for SCL and SDA
Allowable spike time on bus
Timing Chart
Protocol
SCL
SDA
2
I
C interface is reset 2 seconds after slave address is received.
To restart serial communication, send START Condition again.
8bit data is latched at rising edge of SCL of ACK.
If communication is cancelled halfway of sending the 8bit, data is not written.
9.2.2. AC Characteristics 2
Item
FOUT duty
Table 7 AC Characteristics
Unless otherwise specified, ､GND = 0V,V
Symbol
fSCL
tSU;STA
tHD;STA
tSU;DAT
tHD;DAT
tSU;STO
tBUF
tLOW
tHIGH
tr
tf
tSP
START
BIT 7
CONDITION
MSB
(S)
(A7)
t
t
t
SU ; STA
LOW
HIGH
(S)
t
r
t
HD ; STA
Figure 13 I
Symbol
Condition
Tw / t
Vth = 50% V
SCL = 100 kHz
( Standard-Mode )
Min.
Max.
100
4.7
4.0
250
0
4.0
4.7
4.7
4.0
1.0
0.3
50
BIT 6
(A6)
1 / f
SCL
t
f
t
t
t
SU ; DAT
HD ; DAT
SP
2
C Timing Chart
Table 8 FOUT duty
Unless otherwise specified, GND = 0 V, V
IO
Page − 10
= 1.6 V to 5.5 V, Ta = -40
IO
SCL = 400 kHz
( Fast-Mode )
Min.
Max.
400
0.6
0.6
100
0
0.6
1.3
1.3
0.6
0.3
0.3
50
BIT 0
ACK
LSB
CONDITION
(R/W)
(A)
(A)
t
SU ; STO
= 1.6 V 5.5 V, Ta = −40 C +85 C
IO
Min.
Typ.
Max.
40
C to +85
C
Unit
kHz
s
s
ns
ns
s
s
s
s
s
s
ns
STOP
START
CONDITION
(P)
(S)
t
SU ; STA
(P)
(S)
t
BUF
t
HD ; STA
Unit
60
%
ETM61E-01
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