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參數(shù)資料
| 型號： | STV2001 |
| 廠商： | 意法半導體 |
| 英文描述： | I2C SINGLE FREQUENCY DEFLECTION PROCESSOR AND 120 MHz RGB PREAMPLIFIER |
| 中文描述： | 撓度的I2C單頻處理器和120兆赫的RGB前置放大器 |
| 文件頁數(shù)： | 36/46頁 |
| 文件大?。?/td> | 528K |
| 代理商： | STV2001 |
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STV2001
36/
46
Table 1:
Logic Table
Conditions
Note 1
NA= Not applicable.
Note 2
I
2
C video=on will be reset by Low V
cc
.
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 I
2
C 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)
– H
OUT
and V
OUT
disabled
14.5.3 - Video Off (I
2
C 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
μ
s.
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 I
2
C command will reset
the Xray latch. Activation time below 100ms.
Hout
no
yes
yes
no
yes
on/off
yes
yes
yes
yes
Vout
no
yes
yes
no
yes
yes
on/off
yes
yes
yes
Video-off
video-off
video-off
video-off
video-off
video-off
on/off
on/off
on/off
video-on (
2
)
video-on (
2
)
Low Power
NA (
1
)
NA(
1
)
no
no
no
no
no
no
NA (
1
)
no
V
cc
at 0 to 6.9
V (PD2 mode)
V
cc
at 6.9 V to 8.5 V (PD1 mode)
Hlock/unlock detection = unlock
Video ABL input pin < 1 V
5 V POR or I
2
C POR=1, (default=0)
I
2
C Hout on/off, (default=1=on)
I
2
C Vout on/off, (default=1=on)
I
2
C Video on/off, (default=0=video-off)
V
cc
at >8.5 V
V
cc
at >8.5 V, I
2
C video=1=on
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