Table of Contents
Advertisement
RX
8564 LC
8.2. AC electrical characteristics
Item
SCL clock frequency
Start condition set-up time
Start condition hold time
Data set-up time
Data hold time
Stop condition set-up time
Bus free time between a STOP
and START condition
SCL "L" time
SCL "H" time
SCL and SDA rise time
SCL and SDA fall time
Tolerance spike time on bus
Timing chart
START
Protocol
CONDITION
(S)
t
SU ; STA
SCL
(S)
SDA
t
HD ; STA
2
Note : I
C access time between a START and a START condition or between a START and a STOP condition to this
device must be less than one second.
Symbol
f
SCL
t
SU; STA
t
HD; STA
t
SU; DAT
t
HD; DAT
t
SU; STO
t
BUF
t
LOW
t
HIGH
tr
tf
t
SP
BIT 7
BIT 6
MSB
(A7)
(A6)
t
t
1 / f
LOW
HIGH
SCL
t
t
r
f
t
t
SU ; DAT
HD ; DAT
* Unless otherwise specified, GND = 0 V , V
Condition
Min.
0.6
0.6
100
0
0.6
1.3
1.3
0.6
BIT 0
ACK
LSB
(R/W)
(A)
(A)
t
SP
Page
6
= 1.8 V to 5.5 V
DD
, Ta = 40 C to +85 C
Typ.
Max.
Unit
400
kHz
ns
ns
0.3
0.3
50
ns
STOP
START
CONDITION
CONDITION
(P)
(S)
t
SU ; STA
(P)
(S)
t
BUF
t
t
SU ; STO
HD ; STA
ETM12E-01
s
s
s
s
s
s
s
s
Advertisement
Table of Contents
