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STV2001 数据表(PDF) 36 Page - STMicroelectronics

部件名 STV2001
功能描述  I2C SINGLE FREQUENCY DEFLECTION PROCESSOR AND 120 MHz RGB PREAMPLIFIER
PDF  46 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STV2001 数据表(HTML) 36 Page - STMicroelectronics

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Table 1:
Logic Table
Note 1 NA= Not applicable.
Note 2 I2C video=on will be reset by Low Vcc.
STAND-BY MODE AND PROTECTIONS
14.5 - GENERAL CONSIDERATIONS
14.5.1 - POR (Power On Reset) - Subad. 11-D8
POR is activated on 5 V with default values for
each adjustment and in addition video off (see
1.3). It can be activated via the I2C command.
14.5.2 - Supply Voltage Threshold.
Two built-in thresholds (see figure 21) are used to
enter the following modes:
•
PDI mode:
– Activated for Vcc < 8.5V
– Video off (see 1.13)
•
PD2 mode:
– Activated for Vcc < 5.0V
– Video off (see 1.13)
– HOUT and VOUT disabled
14.5.3 - Video Off (I2C control) - Subad. 00-D8
Activates blanking of the 3 video output stages.
During this time the outputs are switched to VDC
level, regardless of the presence of Hsync or Hfly-
back. Activation time is inferior to 1
µs.
This also activates the blanking output at pin 18
into a high level state close to 9.5V as long as
“video off” is activated. When the device enters the
“Video-off” mode, voltage on pin 8 is 8V.
14.5.4 - Vertical Output Off
This command will switch off output VAMP. The
vertical output swing is reduced to 0V.
14.5.5 - X-Ray, Set Operation - Subad. 09-D8
When ABL voltage is below 1 V threshold, Xray
latch will be activated. This I2C command will reset
the Xray latch. Activation time below 100ms.
Conditions
Hout
Vout
Video-off
Low Power
Vcc at 0 to 6.9 V (PD2 mode)
no
no
video-off
NA (1)
Vcc at 6.9 V to 8.5 V (PD1 mode)
yes
yes
video-off
NA(1)
Hlock/unlock detection = unlock
yes
yes
video-off
no
Video ABL input pin < 1 V
no
no
video-off
no
5 V POR or I2C POR=1, (default=0)
yes
yes
video-off
no
I2C Hout on/off, (default=1=on)
on/off
yes
on/off
no
I2C Vout on/off, (default=1=on)
yes
on/off
on/off
no
I2C Video on/off, (default=0=video-off)
yes
yes
on/off
no
Vcc at >8.5 V
yes
yes
video-on (2)NA (1)
Vcc at >8.5 V, I
2C video=1=on
yes
yes
video-on (2)no



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