Datasheet

Section 28 Electrical Characteristics
Page 930 of 982 REJ09B0465-0300 Rev. 3.00
Sep 17, 2010
H8S/20103, H8S/20203, H8S/20223, H8S/20115, H8S/20215, H8S
/
20235 Group
Table 28.5 Timing of I
2
C Bus Interface
V
CC
= 2.7 to 5.5 V, V
SS
= 0.0 V, VCC ≥ AVCC, Ta = −20 to +85 °C (N version)/
−40 to +85 °C (D version), unless otherwise indicated.
Values
Item Symbol Test Conditions Min. Typ. Max. Unit
Reference
Figure
SCL input cycle time t
SCL
12t
cyc
+ 600 ⎯ ⎯ ns
SCL input high width t
SCLH
3t
cyc
+ 300 ⎯ ⎯ ns
SCL input low width t
SCLL
5t
cyc
+ 300 ⎯ ⎯ ns
SCL and SDA input fall time t
Sf
⎯ ⎯ 300 ns
SCL and SDA input spike pulse
removal time
t
SP
⎯ ⎯ 1t
cyc
ns
SDA input bus-free time t
BUF
5t
cyc
⎯ ⎯ ns
Start condition input hold time t
STAH
3t
cyc
⎯ ⎯ ns
Retransmission start condition
input setup time
t
STAS
3t
cyc
⎯ ⎯ ns
Setup time for stop condition
input
t
STOS
3t
cyc
⎯ ⎯ ns
Data-input setup time t
SDAS
1t
cyc
+ 20 ⎯ ⎯ ns
Data-input hold time t
SDAH
0 ⎯ ⎯ ns
Capacitive load of SCL and
SDA
Cb 0 ⎯ 400 pF
Vcc = 4.0 to 5.5V ⎯ ⎯ 250 ns SCL and SDA output fall time t
Sf
⎯ ⎯ 300 ns
Figure 28.5