TLC2554, TLC2558

5-V, 12-BIT, 400 KSPS, 4/8 CHANNEL, LOW POWER,

SERIAL ANALOG-TO-DIGITAL CONVERTERS WITH AUTO POWER DOWN

SLAS220A –JUNE 1999

12

POST OFFICE BOX 655303

write cycle (write CFR)

The write cycle is used to write to the configuration register CFR (with 12-bit register content). The write cycle

does not generate an EOC or INT nor does it carry out any conversion.

SCLK

CS

FS

SDI

INT

EOC

SDO

ID14

ID13

ID12

ID15

ID11

ID10

ID9

ID4

ID3

ID2

ID1

ID0

12

3

4

5

6

713

14

15

16

1

12

ID15

Figure 5. TLC2554/TLC2558 Write Cycle (FS active)

SCLK

CS

FS

SDI

INT

EOC

SDO

ID15

ID14

ID13

ID12

ID15

ID11

ID10

ID9

ID4

ID3

ID2

ID1

ID0

12

3

4

5

6

713

14

15

16

1

12

ID14

Figure 6. TLC2554/TLC2558 Write Cycle (FS = 1)