AD9937 データシートの表示（PDF） - Analog Devices

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AD9937

CCD Signal Processor with Precision Timing™ Generator

Analog Devices 

AD9937

Table VIII. RS, H1, SHP, SHD, and DOUTPHASE Timing Parameters

Register Name*

Bit Width

(Bits)

Register Type

RSPOSLOC

6

RSNEGLOC

6

H1POSLOC

6

H1NEGLOC

6

SHPLOC

6

SHDLOC

6

DOUTPHASE

6

Control (Addr 0x06)

Control (Addr 0x06)

Control (Addr 0x06)

Control (Addr 0x06)

Control (Addr 0x05)

Control (Addr 0x05)

Control (Addr 0x05)

*The 2 MSB bits are used to select the quadrant.

Range

0–47 Edge Location

0–47 Edge Location

0–47 Edge Location

0–47 Edge Location

0–47 Edge Location

0–47 Edge Location

0–47 Edge Location

Description

Falling Edge Location for RS

Falling Edge Location for RS

Positive Edge Location for H1

Negative Edge Location for H1

Sample Location for SHP

Sample Location for SHD

Phase Location of Data Output [9:0]

Table IX. Precision Timing Edge Locations for RS, H1, SHP, SHD, and DOUTPHASE

Signal Name

RS

Quadrant

(Range)

I P[0] to P[11]

II P[12] to P[23]

III P[24] to P[35]

IV P[36] to P[47]

RS Rising Edge

RSPOSLOC

000000 to 001011

010000 to 011011

100000 to 101011

110000 to 111011

RS Falling Edge

RSNEGLOC

000000 to 001011

010000 to 011011

100000 to 101011

110000 to 111011

Signal Name

H1

Quadrant

(Range)

I P[0] to P[11]

II P[12] to P[23]

III P[24] to P[35]

IV P[36] to P[47]

H1 Rising Edge

H1POSLOC

000000 to 001011

010000 to 011011

100000 to 101011

110000 to 111011

H1 Falling Edge

H1NEGLOC

000000 to 001011

010000 to 011011

100000 to 101011

110000 to 111011

Signal Name

CDS (Internal)

Quadrant

(Range)

I P[0] to P[11]

II P[12] to P[23]

III P[24] to P[35]

IV P[36] to P[47]

CDS (SHP) Rising Edge

SHPLOC

000000 to 001011

010000 to 011011

100000 to 101011

110000 to 111011

CDS (SHD) Falling Edge

SHDLOC

000000 to 001011

010000 to 011011

100000 to 101011

110000 to 111011

Signal Name

Data Output[9:0]

Quadrant

(Range)

I P[0] to P[11]

II P[12] to P[23]

III P[24] to P[35]

IV P[36] to P[47]

DOUT Rising Edge

DOUTPHASE

000000 to 001011

010000 to 011011

100000 to 101011

110000 to 111011

DOUT Falling Edge

(Not Programmable)

DOUTPHASE + 24 Steps

DOUTPHASE + 24 Steps

DOUTPHASE + 24 Steps

DOUTPHASE + 24 Steps

REV. 0

–23–

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