Renesas R8C series User Manual

R8C/1A Group, R8C/1B Group 19. Electrical Characteristics
Rev.1.30 Dec 08, 2006 Page 287 of 315
REJ09B0252-0130
NOTES:
1. V
CC = 2.7 to 5.5 V, VSS = 0 V and Ta = -20 to 85 °C / -40 to 85 °C, unless otherwise specified.
2. 1t
CYC = 1/f1(s)
Figure 19.7 I/O Timing of I
2
C bus Interface
Table 19.13 Timing Requirements of I
2
C bus Interface
(1)
Symbol Parameter Condition
Standard
Unit
Min. Typ. Max.
t
SCL SCL input cycle time
12t
CYC+600
(2)
−−ns
t
SCLH SCL input “H” width
3t
CYC+300
(2)
−−ns
t
SCLL SCL input “L” width
5t
CYC+300
(2)
−−ns
t
sf SCL, SDA input fall time −−300 ns
t
SP SCL, SDA input spike pulse rejection time −−
1tCYC
(2)
ns
t
BUF SDA input bus-free time
5t
CYC
(2)
−−ns
t
STAH Start condition input hold time
3t
CYC
(2)
−−ns
t
STAS Retransmit start condition input setup time
3t
CYC
(2)
−−ns
t
STOS Stop condition input setup time
3t
CYC
(2)
−−ns
t
SDAS Data input setup time
1t
CYC+20
(2)
−−ns
t
SDAH Data input hold time 0 −−ns
SDA
tSTAH
tSCLL
tBUF
VIH
VIL
tSCLH
SCL
tsf
tSDAH
tSCL
tSTAS
tSP tSTOS
tSDAS
P
(2)
S
(1)
Sr
(3)
P
(2)
NOTES:
1. Start condition
2. Stop condition
3. Retransmit start condition

Renesas R8C series Specifications

General

Brand	Renesas
Model	R8C series
Category	Computer Hardware
Language	English