VPC3233D datasheet(43/78 Pages) MICRONAS

43 / 78 page

ADVANCE INFORMATION

VPC 323xD, VPC 324xD

Micronas

DVCO

h’f8

crystal oscillator center frequency adjust, –2048 ... 2047

–720

DVCO

h’f9

crystal oscillator center frequency adjustment value for line-lock

mode, true adjust value is DVCO – ADJUST.

For factory crystal alignment, using standard video signal: disable

autolock mode, set DVCO = 0, set lock mode, read crystal offset from

ADJUST register and use negative value for initial center frequency

adjustment via DVCO.

read only

ADJUST

h’f7

crystal oscillator line-locked mode, lock command/status

write: 100

enable lock

disable lock

unlocked

>2047

locked

0XLCK

h’b5

crystal oscillator line-locked mode, autolock feature. If autolock is

enabled, crystal oscillator locking is started automatically.

bit[11:0]

threshold, 0:autolock off

400

AUTOLCK

FP Status Register

h’12

general purpose control bits

bit[2:0]

reserved, do not change

bit[3]

vertical standard force

bit[8:4]

reserved, do not change

bit[9]

disable flywheel interlace

bit[11:10]

reserved, do not change

to enable vertical free run mode set vfrc to 1 and dflw to 0

VFRC

DFLW

h’13

standard recognition status

bit[0]

vertical lock

bit[1]

horizontally locked

bit[2]

no signal detected

bit[3]

color amplitude killer active

bit[4]

disable amplitude killer

bit[5]

color ident killer active

bit[6]

disable ident killer

bit[7]

interlace detected

bit[8]

no vertical sync detection

bit[9]

spurious vertical sync detection

bit[12:10]

reserved

–ASR

h’14

input noise level, available only for VPC 323xC

read only

NOISE

h’cb

number of lines per field, P/S: 312, N: 262

read only

NLPF

h’15

vertical field counter, incremented per field

read only

VCNT

h’74

measured sync amplitude value, nominal: 768 (PAL), 732 (NTSC)

read only

SAMPL

h’31

measured burst amplitude

read only

BAMPL

h’f0

firmware version number

bit[7:0]

internal revision number

bit[11:8]

firmware release

hardware id see I2C register h’9f

read only

–

FP Sub-

address

Function

Default

Name

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