Rainbow-electronics DAB-CAM-C01 Manual de usuario descargar pdf (Pagina 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

050ns

Wake-up from sleep mode

t

SP2

020ns

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

p

eriod, the first clock

p

ulse 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-STARTSTART

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