Rainbow Electronics DAB-CAM-C01 - Manual (Page 25)

TCM8230MD (A) Ver. 1.20
04/01/05 25/27
3. SCL and SDA
SYMBOL MIN MAX UNITS NOTES
Clock frequency f
SCL
- 400 KHz
Low period t
LOW;SCL
1.3 - us
High period t
HIGH;SCL
0.6 - us
Rise time t
r;SCL
- 300 ns
Fall time t
f;SCL
- 300 ns
Rise time t
r;SDA
- 300 ns
Fall time t
f;SDA
- 300 ns
t
HD;STA
0.6 - us
t
SU;STA
0.6 - us
t
HD;DAT
0 - ns
t
SU;DAT
100 - ns
t
SU;STO
0.6 - us
Normal t
SP1
0 50 ns
Wake-up from sleep mode t
SP2
0 20 ns
1) All values referred to V
IHmin
and V
ILmax
levels
Width of spike pulse
*1
Setup time for a repeated START condition
Data hold time
Data setup time
Setup time for STOP condition
ITEM
Hold time(repeated) START condition
After this period, the first clock pulse is
SDA
SCL
SCL
t
f
SDA
t
LOW
t
HD;DAT
t
HD;STA
t
HIGH
t
SU;STA
t
SU;STO
t
r
t
SU;DAT
t
f t
HD;STA
t
SP
t
r
t
BUF
STOP START RE-START START