STV0672 datasheet(71/105 Pages) STMICROELECTRONICS

71 / 105 page

CMOS Sensor; Customer Datasheet, Rev 3.0, 28 September 2000

VV5410 & VV6410

Commercial in confidence

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cd5410-6410f-3-0.fm

FST/LST Enable/Tri-state

The FST/LST digital outputs can be tri-stated but are

enabled as outputs by default. The enabling/disabling

of FST/LST can be retimed to a ﬁeld boundary. The

state of this control bit is always available via a serial

interface read, i.e. it does not have to wait to change

state at a ﬁeld boundary

QCK Enable/Tri-state

The QCK output can be tri-stated independently. The

enabling/disabling of QCK can be retimed to a ﬁeld

boundary. The state of this control bit is always availa-

ble via a serial interface read, i.e. it does not have to

wait to change state at a ﬁeld boundary.

Pre clock generator divide

On/Off

The CIF and QCIF video modes expect a recom-

mended set of input clock frequencies, however the

acceptable range of clock frequencies can be extended

if this bit is set. If this bit is set then the primary input

clock will be divided down by 1.5 prior to the clock gen-

erator, thus if the expected clock input is 16 MHz, we

can set this bit and accept 24 MHz and achieve the

same ﬁnal frame rate.

OEB pin

data_format[5]

oeb_composite

Comments

FST/LST outputs enabled.

FST/LST outputs are tri-stated by

data_format[5]

FST/LST outputs are tri-stated by OEB pin.

FST/LST outputs are tri-stated.

Table 41 : FST/LST output control

OEB pin

data_format[6]

oeb_composite

Comments

QCK output enabled.

QCK output is tri-stated by op_format[6]

QCK output is tri-stated by OEB pin.

QCK output is tri-stated.

Table 42 : QCK output control

Bit

Function

Default

Comment

Table 40 : [22],

[16] - data_format

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