
R8C/35M Group
5. Electrical Characteristics
R01DS0021EJ0100 Rev.1.00
Jun 20, 2011
Notes:
1.
VCC = 1.8 to 5.5 V, VSS = 0 V and Topr =
20 to 85°C (N version) / 40 to 85°C (D version), unless otherwise specified.
2.
1tCYC = 1/f1(s)
Figure 5.7
I/O Timing of I2C bus Interface
Table 5.17
Timing Requirements of I2C bus Interface (1) Symbol
Parameter
Condition
Standard
Unit
Min.
Typ.
Max.
tSCL
SCL input cycle time
ns
tSCLH
SCL input “H” width
ns
tSCLL
SCL input “L” width
ns
tsf
SCL, SDA input fall time
300
ns
tSP
SCL, SDA input spike pulse rejection time
ns
tBUF
SDA input bus-free time
ns
tSTAH
Start condition input hold time
ns
tSTAS
Retransmit start condition input setup time
ns
tSTOP
Stop condition input setup time
ns
tSDAS
Data input setup time
ns
tSDAH
Data input hold time
10
ns
SDA
tSTAH
tSCLL
tBUF
VIH
VIL
tSCLH
SCL
tsr
tsf
tSDAH
tSCL
tSTAS
tSP
tSTOP
tSDAS
P(2)
S(1)
Sr(3)
P(2)
Notes:
1. Start condition
2. Stop condition
3. Retransmit start condition