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參數(shù)資料
| 型號： | STV9423 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | MULTISYNC ON-SCREEN DISPLAY FOR MONITOR |
| 中文描述： | 多頻屏幕的監(jiān)視器顯示 |
| 文件頁數(shù)： | 7/15頁 |
| 文件大小： | 232K |
| 代理商： | STV9423 |
FUNCTIONAL DESCRIPTION
(continued)
I.3 - Addressing Space
STV9422/24registers,RAMandROMaremapped
in a 16Kbytesaddressing space. The mapping is
the following:
0000
1024 bytes RAM
Descriptors character
codes user definable
characters
03FF
0400
Empty Space
1FFF
2000
Character
Generator ROM
32FF
3300
Empty Space
3FFF
3FF0
Internal
Registers
3FFF
I.4 - RegisterSet
LINE DURATION
3FF0
VSP
*
0
HSP
0
LD5 LD4 LD3 LD2 LD1 LD0
1
1
1
1
1
1
VSP
: V-SYNCactive edge selection
= 0 : falling egde, = 1 : rising edge
: H-SYNCactive edge selection
= 0 : falling egde, = 1 : rising edge
LD[5:0] : LINE DURATION
(numberof pixelperiod per line divided
by 12 ie.Unit = 12 pixelperiods).
HSP
HORIZONTALDELAY
3FF1 DD7 DD6 DD5 DD4 DD3 DD2 DD1 DD0
*
0
0
0
0
DD[7:0] : HORIZONTAL DISPLAY DELAY from
the H-SYNC reference falling edge to
the 1
st
pixel position of the character
strips.Unit = 3 pixel periods.
1
0
0
0
CHARACTERS HEIGHT
3FF2
-
*
-
CH[5:0] : HEIGHT of the character strips in scan
lines. Foreach scan line, the number of
the slice which is displayedis given by :
SLICE-NUMBER =
round
SCAN-LINE-NUMBER = Number of the
current scan line of thestrip.
-
-
CH5 CH4 CH3 CH2 CH1 CH0
0
1
0
0
1
0
SCAN
±
LINE
±
NUMBER x 18
CH[5:0]
.
DISPLAYCONTROL
3FF3
OSD
*
0
OSD
: ON/OFF(if 0,R, G, BandFBLKare0).
FBK
: Fast blankingcontrol :
= 1:FBLK=1,forcingblackwherethese
is no display,
= 0:FBLKisactiveonlyduring character
display.
FL[1:0] : Flashingmode :
- 00 : No flashing. The character
attribute is ignored,
- 01 : 1/1 flashing (a dutycycle = 50%),
- 10 : 1/3 flashing,
- 11: 3/1 flashing.
P[8:6]
: Address of the 1
st
descriptor of the
current displayedpages.
P[13:9] and P[5:0] = 0 ; up to 8 different
pages can be stored in the RAM.
FBK
0
FL1
0
FL0
0
-
-
P8
0
P7
0
P6
0
LOCKINGCONDITION TIME CONSTANT
3FF4
FR
AS2
AS1
*
0
0
1
FR
: Free Running;if = 1PLLis disabledand
the pixel frequencykeeps its lastvalue.
AS[2:0] : Phase constant during locking
conditions.
BS[2:0] : Frequency constant during locking
conditions.
AS0
0
-
-
BS2
0
BS1
1
BS0
0
CAPTURE PROCESS TIME CONSTANT
3FF5
-
AF2
AF1
*
-
0
1
AF[2:0] : Phase constant during the capture
process.
BF[2:0] : Frequency constant during the capture
process.
AF0
1
-
-
BF2
0
BF1
1
BF0
1
INITIALPIXELPERIOD
3FF6 PP7
*
0
PP[7:0] : Valueto initialize the pixel period of the
PLL.
PP6
0
PP5
1
PP4
0
PP3
1
PP2
0
PP1
0
PP0
0
FREQUENCY MULTIPLIER
3FF7
-
-
*
-
-
FM[3:0] : Frequency multiplier of the crystal
frequency to reach the high frequency
used by the PLL to derive the pixel
frequency.
-
-
-
-
FM3 FM2 FM1 FM0
1
0
1
0
STV9422 - STV9424
7/15
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| STV9424 | MULTISYNC ON-SCREEN DISPLAY FOR MONITOR |
| STV9425B | MULTISYNC ON-SCREEN DISPLAY FOR MONITOR |
| STV9425 | MULTISYNC ON-SCREEN DISPLAY FOR MONITOR |
| STV9425-STV9425B | MULTISYNC ON-SCREEN DISPLAY FOR MONITOR |
| STV9426 | MULTISYNC ON-SCREEN DISPLAY FOR MONITOR |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| STV9424 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:MULTISYNC ON-SCREEN DISPLAY FOR MONITOR |
| STV9425 | 功能描述:視頻 IC On-Screen Disp Montr RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
| STV9425B | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:MULTISYNC ON-SCREEN DISPLAY FOR MONITOR |
| STV9425-STV9425B | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:MULTISYNC ON-SCREEN DISPLAY FOR MONITOR |
| STV9426 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:MULTISYNC ON-SCREEN DISPLAY FOR MONITOR |
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