Datasheet

R01DS0063EJ0120 Rev.1.20 Page 76 of 95
Feb 6, 2013
R32C/116 Group 5. Electrical Characteristics
V
CC
=5V
Switching Characteristics (V
CC
= 4.2 to 5.5 V, V
SS
= 0 V, and T
a
=T
opr
, unless otherwise noted)
Note:
1. External circuits are required to satisfy the I
2
C-bus specification.
Table 5.37 Serial Interface
Symbol Characteristic
Measurement
Condition
Value
Unit
Min. Max.
t
d
(C-Q)
TXDi output delay time
Refer to
Figure 5.6
80 ns
t
h
(C-Q)
TXDi output hold time
0ns
Table 5.38 Intelligent I/O
Symbol Characteristic
Measurement
Condition
Value
Unit
Min. Max.
t
d
(ISCLK2-TXD)
ISTXD2 output delay time
Refer to
Figure 5.6
180 ns
t
h
(ISCLK2-RXD)
ISTXD2 output hold time
0ns
Table 5.39 Multi-master I
2
C-bus Interface (standard-mode)
Symbol Characteristic
Measurement
Condition
Value
Unit
Min. Max.
t
f(SCL)
MSCL output fall time
Refer to
Figure 5.6
2ns
t
f(SDA)
MSDA output fall time
2ns
t
d(SDA-SCL)S
MSCL output delay time after START
condition/repeated START condition
20 × t
c(IIC)
- 120 52 × t
c(IIC)
- 40
ns
t
d(SCL-SDA)P
Repeated START condition/STOP
condition output delay time after
MSCL becomes high
20 × t
c(IIC)
+ 40 52 × t
c(IIC)
+ 120
ns
t
d(SCL-SDA)
MSDA output delay time 2 × t
c(IIC)
+ 40 3 × t
c(IIC)
+ 120
ns
Table 5.40 Multi-master I
2
C-bus Interface (fast-mode)
Symbol Characteristic
Measurement
Condition
Value
Unit
Min. Max.
t
f(SCL)
MSCL output fall time
Refer to
Figure 5.6
2
(1)
ns
t
f(SDA)
MSDA output fall time
2
(1)
ns
t
d(SDA-SCL)S
MSCL output delay time after START
condition/repeated START condition
10 × t
c(IIC)
- 120 26 × t
c(IIC)
- 40
ns
t
d(SCL-SDA)P
Repeated START condition/STOP
condition output delay time after
MSCL becomes high
10 × t
c(IIC)
+ 40 26 × t
c(IIC)
+ 120
ns
t
d(SCL-SDA)
MSDA output delay time 2 × t
c(IIC)
+ 40 3 × t
c(IIC)
+ 120
ns