XRD9829REF

Control Registers

Function

D7

D6

D5

D4

D3

D2

D1

D0

Power-up

(Register

 

 

 

 

 

 

 

 

State

S1/S0)

 

 

 

 

 

 

 

 

(Note 1)

 

 

 

 

 

 

 

 

 

 

Gain

 

 

 

 

 

 

 

 

 

(00)

G5

G4

G3

G2

G1

G0

X

X

000000XX

(MSB)

 

 

 

 

 

 

 

(LSB)

 

 

 

 

 

 

 

 

 

 

 

Offset

O7

O6

O5

O4

O3

O2

O1

O0

01000000

 

 

 

 

 

 

 

 

 

 

(01)

(MSB)

 

 

 

 

 

 

(LSB)

 

Mode

X

X

VRT

INPUTDC

DC/AC

CIS/CCD

MUX SEL

MUX SEL

XX000000

(10)

 

 

0: INTERNAL

REFERENCE

0: DC

0: CIS

 

 

 

 

 

 

1: EXTERNAL

(VDCREF)

1: AC

1: CCD

 

 

 

 

 

 

0:INTERNAL

 

 

0 0: VIN0

0 0: VIN0

 

 

 

 

 

(VDCREF=

 

 

0 1: VIN1

0 1: VIN1

 

 

 

 

 

AGND)

 

 

1 0: VIN2

1 0: VIN2

 

 

 

 

 

1: EXTERNAL

 

 

1 1: VIN3

1 1: VIN3

 

 

 

 

 

(VDCREF=VDCEXT)

 

 

 

 

 

 

Mode

 

 

 

 

 

 

 

 

 

& Test

 

 

 

 

 

 

 

 

 

(11)

X

X

X

DIGITAL RESET

TEST3

TEST2

TEST1

X

XXX0000X

 

 

 

 

0: NO RESET

0: TEST3

0: TEST2

0: TEST1

 

 

 

 

 

 

1: RESET

DISABLED

DISABLED

DISABLED

 

 

 

 

 

 

(REGISTERS ARE

1: OUTPUT

1: OUTPUT

1: VIN1 PIN

 

 

 

 

 

 

RESETTO

OFBUFFER

OF PGA

TIED TO

 

 

 

 

 

 

POWER-UP

TIED TO VIN3

TIED TO

INPUT OF

 

 

 

 

 

 

STATES)

PIN (VIN3 PIN

VIN2 PIN

ADC

 

 

 

 

 

 

BECOMES

(VIN2 PIN

(PGA OUTPUT

 

 

 

 

 

 

 

ANOUTPUT)

BECOMES

DISCONNECTED

 

 

 

 

 

 

 

 

ANOUTPUT)

FROMINPUT

 

 

 

 

 

 

 

 

 

OFADC)

 

 

 

 

 

 

 

 

 

 

 

 

 

Table 1. Control Register Description for XRD9829

Note:

1These are the control register settings upon initial power–up. The previous register settings are retained following a logic power-down initiated by the PDB signal.

Rev. 1.00

7

Page 7
Image 7
Canon XRD9829REF user manual Control Register Description for XRD9829