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Dac chab register 1 0x41 – Sundance SMT942 User Manual

Page 39

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User Manual SMT942

Page 39 of 55

Last Edited: 23/08/2011 17:25:00

Setting

Bit 13

Description clk1c_in_ena

0

0

Pin used as PLL_LOCK status output.

1

1

Pin used as a clock input.

Setting

Bit 14

Description clk1_in_ena

0

0

Pin used as CLK0 clock output.

1

1

Pin used as a clock input.


DAC Chab Register 1 0x41.

DAC Chab Register 1 0x41

Byte

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

1

Ser_dac_d

ata_ena

Output delay

b_equals

_a

A_equa

ls_b

reserved

revb

reva

Default

‘0’

‘00’

‘0’

‘0’

‘0’

‘0’

‘0’

0

Diffclk_dly

Clk0_dly

Reserved

Default

‘00’

‘00’

‘0000’


DAC Chab Register 1 0x41

Setting

Bit 5:4

Description clk0_dly

0

00

0ns delay.

1

01

1ns delay.

2

10

2ns delay.

3

11

3ns delay.

Setting

Bit 7:6

Description diffclk_dly

0

00

0ns delay.

1

01

1ns delay.

2

10

2ns delay.

3

11

3ns delay.

Setting

Bit 8

Description - reva

0

0

Normal mode.

1

1

PortA reversed.

Setting

Bit 9

Description revb

0

0

Normal mode.

1

1

PortB reversed.

Setting

Bit 11

Description a_equals_b

0

0

Normal mode.

1

1

DACA driven by DACB data.

Setting

Bit 12

Description b_equals_a

0

0

Normal mode.

1

1

DACB driven by DACA data

Setting

Bit 14:13

Description - output_delay delay the output to both DACs

0

0

0 clock cycles