Ds90c3202 two-wire serial interface register table – National Products DS90C3202 User Manual

Page 19

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DS90C3202 Two-Wire Serial Interface Register Table

Address

R/W

RESET

Bit #

Description

Default Value

0d/0h

R

PWDN

[7:0]

Vender ID low byte[7:0] = 05h

0000_0101

1d/1h

R

PWDN

[7:0]

Vender ID high byte[15:8] =13h

0001_0011

2d/2h

R

PWDN

[7:0]

Device ID low byte[7:0] = 28h

0010_1000

3d/3h

R

PWDN

[7:0]

Device ID high byte 15:8] = 67h

0110_0111

4d/4h

R

PWDN

[7:0]

Device revision [7:0] = 00h to begin with

0000_0000

5d/5h

R

PWDN

[7:0]

Low frequency limit, 8Mhz = 8h

0000_1000

6d/6h

R

PWDN

[7:0]

High frequency limit 135Mhz = 87h =

0000_0000_1000_0111

1000_0111

7d/7h

R

PWDN

[7:0]

Reserved

0000_0000

8d/8h

R

PWDN

[7:0]

Reserved

0000_0000

9d/9h

R

PWDN

[7:0]

Reserved

0000_0000

10d/ah

R

PWDN

[7:0]

Reserved

0000_0000

11d/bh

R

PWDN

[7:0]

Reserved

0000_0000

20d/14h

R/W

None

[7:0]

Reserved

0000_0000

21d/15h

R/W

None

[7:0]

Reserved

0000_0000

22d/16h

R/W

None

[7:3]

Reserved

0000_0000

[2:0]

LVDS input skew control for CLK channel,

000 (default) applies to no delay added, ONE buffer

delay per step adjustment towards Tsetup improvement

23d/17h

R/W

None

[7]

Reserved

0000_0000

[6:4]

LVDS input skew control for RXO channel B,

000 (default) applies to no delay added, ONE buffer

delay per step adjustment towards Thold improvements

[3]

Reserved

[2:0]

LVDS input skew control for RXO channel C,

000 (default) applies to no delay added, ONE buffer

delay per step adjustment towards Thold improvements

24d/18h

R/W

None

[7]

Reserved

0000_0000

[6:4]

LVDS input skew control for RXO channel D,

000 (default) applies to no delay added, ONE buffer

delay per step adjustment towards Thold improvements

[3]

Reserved

[2:0]

LVDS input skew control for RXO channel E,

000 (default) applies to no delay added, ONE buffer

delay per step adjustment towards Thold improvements

25d/19h

R/W

None

[7]

Reserved

0000_0000

[6:4]

LVDS input skew control for RXO channel A,

000 (default) applies to no delay added, ONE buffer

delay per step adjustment towards Thold improvements

[3]

Reserved

[2:0]

LVDS input skew control for RXE channel A,

000 (default) applies to no delay added, ONE buffer

delay per step adjustment towards Thold improvements

DS90C3202

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